Breaking News

Ishares U.s. Aggregate Bond Index Fund Class K (WFBIX)

US Funds

Add to/Remove from a Portfolio Add to Watchlist

9.26 -0.01 -0.11%

17/10 - Delayed Data. Currency in USD

Type: Fund

Market: United States

Asset Class: Bond

Morningstar Rating:
Total Assets: 3.18B

General
Chart
- Streaming charts
- Interactive Chart
News & Analysis
- Analysis & Comment
Technical
- Technical Analysis
Forum

WFBIX Overview

On this page you'll find an in-depth profile of Ishares U.s. Aggregate Bond Index Fund Class K. Learn about the key management, total assets, investment strategy and contact information of WFBIX among other information.

Contact Information

Address 12 Throgmorton Avenue
London,RI EC2N 2DL
United Kingdom

Phone 020 7743 3000

Web www.blackrock.com

Top Executives

Name	Title	Since	Until
Jonathan Graves	Managing Director	2025	Now
Biography	Jonathan Graves, CFA, Managing Director, is Head of Credit within BlackRock’s Index Fixed Income (“IFI”) Portfolio Management team in the Americas. Mr. Graves’ team is responsible for managing US based iShares and indexed corporate credit portfolios. Previously, Mr. Graves was a senior portfolio manager in the US Fixed Income Group responsible for implementing credit trading across investment grade, high yield and credit long/short strategies. Prior to joining Barclay’s Global Investors (“BGI”), which merged with BlackRock in 2009, he managed active investment grade corporate bond portfolios at Banc of America Capital Management. Mr. Graves earned a BS degree in finance from the California State University, Northridge in 1987 and an MBA in finance from the University of California, Los Angeles in 1997.
Marcus Tom	-	2025	Now
Biography	Marcus Tom, Director, is head of BlackRock’s IFI Portfolio Management team in Atlanta. Mr. Tom’s service with the firm dates back to 2000, including his years with BGI. At BGI, he was an institutional index portfolio manager/trader. Currently, he leads the Securitized, US Rates, and Optimized Outcome Solutions teams across IFI’s suite of portfolios. His sector specialties include Agency MBS, US Treasuries, TIPS, Agencies, and Listed and OTC Derivatives. Mr. Tom earned a BA degree in Managerial Economics from the University of California, Davis, in 1999.
James J. Mauro	Head	2011	Now
Biography	Head of San Francisco Fixed Income Core PM at BlackRock, Inc. since 2020; Managing Director of BlackRock, Inc. since 2015; Director of BlackRock, Inc. from 2010 to 2014; Vice President of State Street Global Advisors from 2001 to 2010. James Mauro has been employed by BlackRock Fund Advisors and BlackRock Institutional Trust Company, N.A. (“BTC”) as a portfolio manager since 2011. Prior to joining BTC, Mr. Mauro was a Vice President at State Street Global Advisors. His primary responsibilities include management of all government, inflation linked and derivative strategies. Other responsibilities include hedging and managing risk across all asset classes through futures and option overlays. James joined State Street Corporation in 1993. Previously, he worked as a portfolio manager on the passive team where he co-managed several Bond Index portfolios.
Karen Uyehara	Managing Director	2020	2025
Biography	Karen Uyehara, Managing Director, is a Portfolio Manager on the 1-3 Year US Government Bond Index strategy. Prior to working at BlackRock, she was a Portfolio Manager for Western Asset Management from 2002 to 2010. Karen earned a BA in Economics and History from UC San Diego and an MBA in Finance and Investments from USC Marshall School of Business.
Scott Radell	Portfolio Manager	2009	2020
Biography	Scott Radell has been employed as managing director and portfolio manager with BlackRock Investment Management LLC and BlackRock Financial Advisers (formerly, Barclays Global Fund Advisors) and its predecessors since 2009. Mr. Radell served as a portfolio manager at Barclays Global Fund Advisors and its affiliates since 2004. Radell was a credit strategist from 2003 to 2004 before becoming a CoreAlpha Bond Portfolio Manager and prior to that he was employed by Morgan Stanley Asset Management as a credit analyst from 1996 to 2003.
Lee Sterne	Director	1996	2012
Biography	Lee Sterne, CFA Managing Director of BlackRock, Inc. since 2009; Co-head of US Fixed Income Portfolio Solutions within BlackRock’s Model-Based Fixed Income Portfolio Management Group since 2009; Senior Portfolio Manager of Barclays Global Investors from 2004 to 2009. Mr. Sterne received a B.A. degree in German Language/Literature Studies with a minor concentration in History from Colgate University.Mr. Sterne has been a member of the Portfolio Management Team for the Master Portfolio since 1996.
John Sulski	Portfolio Manager	2009	2011
Biography	John Sulski has been employed as a portfolio manager with BFA and BTC since 2009. Previously, Mr. Sulski was a portfolio manager and credit trader with BGFA and BGI from June 2004 to November 2009. Mr. Sulski has been one of the portfolio managers primarily responsible for the day-to-day management of the Master Portfolio since 2009.
Peter Cramer	-	2009	2010
Biography	Cramer has been employed by BGFA and BGI as a portfolio manager since 2007. Prior to becoming a portfolio manager, Mr. Cramer was employed as a trader with PIMCO, responsible for investment grade corporate trading and strategy from 2005-2007, and as a portfolio manager/trader with Payden & Rygel from 2003-2005. Mr. Cramer earned a BA in Economics and Psychology from Claremont McKenna College and is a CFA charterholder.
Jeffrey Lenamon	Portfolio Manager	2008	2009
Biography	Joined DWS in 2021 with 21 years of experience. Prior to his current role, he served as the Head of U.S. Credit Trading. Prior to joining DWS, he was the Head of Credit Trading at Aflac Asset Management. Before that he was a Portfolio Manager/Senior Credit Trader at BlackRock, Portfolio Manager/Senior Fixed Income Trader at Diversified Credit Investments, Portfolio Manager/Trader for DZ Bank AG, and Director Loan Portfolio Manager at CIBC World Markets. Senior Portfolio Engineer & Team Lead Xtrackers - Fixed Income: New York. BS in Marketing from Hardin-Simmons University: MBA in Finance from Sam Houston University.
John Sulski	Portfolio Manager	2006	2008
Biography	John Sulski has been employed as a portfolio manager with BFA and BTC since 2009. Previously, Mr. Sulski was a portfolio manager and credit trader with BGFA and BGI from June 2004 to November 2009. Mr. Sulski has been one of the portfolio managers primarily responsible for the day-to-day management of the Master Portfolio since 2009.

We encourage you to use comments to engage with users, share your perspective and ask questions of authors and each other. However, in order to maintain the high level of discourse we’ve all come to value and expect, please keep the following criteria in mind:

Enrich the conversation
Stay focused and on track. Only post material that’s relevant to the topic being discussed.
Be respectful. Even negative opinions can be framed positively and diplomatically.
Use standard writing style. Include punctuation and upper and lower cases.
NOTE: Spam and/or promotional messages and links within a comment will be removed
Avoid profanity, slander or personal attacks directed at an author or another user.
Don’t Monopolize the Conversation. We appreciate passion and conviction, but we also believe strongly in giving everyone a chance to air their thoughts. Therefore, in addition to civil interaction, we expect commenters to offer their opinions succinctly and thoughtfully, but not so repeatedly that others are annoyed or offended. If we receive complaints about individuals who take over a thread or forum, we reserve the right to ban them from the site, without recourse.
Only English comments will be allowed.

Perpetrators of spam or abuse will be deleted from the site and prohibited from future registration at Investing.com’s discretion.

I have read and understood Investing.com Nigeria's comment guidelines and agree to the terms described.

I Agree

WFBIX Comments

Write your thoughts about Ishares U.s. Aggregate Bond Index Fund Class K

Are you sure you want to delete this chart?

Delete Cancel

Post

Post also to:

Replace the attached chart with a new chart ?

Replace Cancel

1000

Comment Guidelines

Your ability to comment is currently suspended due to negative user reports. Your status will be reviewed by our moderators.

Please wait a minute before you try to comment again.

Thanks for your comment. Please note that all comments are pending until approved by our moderators. It may therefore take some time before it appears on our website.

<div id="comment">
				<div class="comment js-comment" data-comment-id="{commentID}" id="comment-{commentID}" data-user-id="">
    <div class="mainComment js-content">
       <div class="commentInnerWrapper">
        <a href="{userLink}" class="js-user-link"><img src="{userImage}" width="33" height="33" alt="{usernameAlt}" class="img" onerror="this.src='https://i-invdn-com.investing.com/defaultUserMaleTmp.png';"></a><div class="commentBody">
                					<span class="commentUsername">
                    	<a href="{userLink}" class="js-user-link js-user-name">{username}</a>
					</span>
                                <span class="js-date" comment-date="{dateFormat}" comment-date-formatted="{dateFormatted}" title="{dateTitle}">Just Now</span>
                <div class="commentDropDown js-commentDropDownWrapper " data-user-id="" data-cid="{commentID}">
	<a href="javascript:void(0);" class="threeDotsIconSmall js-thinDropdownArrow"></a>
	<div class="tooltipPopup commentActionsPop noHeader js-commentDropDownOptions displayNone">
		<div class="addRow js-option share">
			<a href="javascript:void(0);" class="js-commentSharePopup" data-cid="{commentID}" data-curl="{commentLink}"><span class="smallShareIcon middle"></span>Share</a>
		</div>

<div class="js-option addRow follow">
            <div class="js-follow-post-button" data-reg_ep="follow comment">
                <span class="alertfollowIcon middle"></span>Follow this post            </div>
            <div class="js-unfollow-post-button displayNoneImp">
                <span class="alertUnfollowIcon middle"></span>Unfollow this post            </div>
        </div>

<div class="addRow js-option save"  data-reg_ep="save comment">
		<a href="javascript:void(0);" class="js-save-item-btn" data-item-type="comments" data-item-id="{commentID}">
			<i class="saveItemBigIcon middle"></i>
			Save		</a>
	</div>
	<div class="addRow saveItemsConfirmation noHover displayNone js-saveItemResult">
		
<div class="content js-saveItemSuccess displayNone">
	<span class="mediumGreenSuccessIcon"></span><span>Saved. See <a href="/members-admin/saved-items" target="_blank">Saved Items</a>.</span>
	<a href="javascript:void(0);" class="bugCloseIcon js-close"></a>
</div>
<div class="content js-saveItemAlreadySaved saveItemAlreadySaved displayNoneImp">
	<span>This comment has already been saved in your <a href="/members-admin/saved-items" target="_blank">Saved Items</a></span>
	<a href="javascript:void(0);" class="bugCloseIcon js-close"></a>
</div>
	</div>

<div class="addRow shareButtons js-sharePopup displayNone">
			<div class="js-shareComment"><span class="js-shareCommentSpan"></span></div>
		</div>
	</div>
</div>
                 <div class="commentAuthor js-comment-by-author"><span class="commentAuthorIcon"></span>Author's response</div>             </div>
		<div id="commentText-{commentID}" class="js-text-wrapper commentText withImage">
							<div id="commentBigChart{commentID}" class="commentBigChart js-comment-chart" onclick="openViewChartPopup('{commentID}')">
					<img src="https://d72-invdn-com.investing.com/comments_images/{commentImage}" alt="{commentAlt}">
					<i class="newMagnifyChartIcon"></i>
				</div>
						<span class="js-text">{commentContent}</span>
			<div class="clear"></div>
							<div class="commentButtons js-not-master-user">
					<a href="javascript:void(0)" class="reply js-reply-btn" data-real-parent-id="{commentID}" data-to-user-name="{username}" data-to-user-id="">Reply</a>
					<div class="inlineblock likeDislikeBox js-like-dislike-box" data-item-id="{commentID}">
	<input class="js-like-checkbox" type="checkbox" name="option" value="Yes" id="like_{commentID}">
	<label for="like_{commentID}" class="like" title="I agree"></label>
	<span class="numOfLikes js-like-count lighterGrayFont">0</span>
	<input class="js-dislike-checkbox" type="checkbox" name="option" value="No" id="dislike_{commentID}">
	<label for="dislike_{commentID}" class="dislike" title="I disagree"></label>
	<span class="numOfDislikes js-dislike-count lighterGrayFont">0</span>
</div>

<div class="reportComment js-flag float_lang_base_2">
                            <a href="javascript:void(0);" id="commentFlag_{commentID}">
                                <span class="reportCommentIcon middle"></span><span class="inlineblock middle">Report</span>
                            </a>
                        </div>
                    				</div>
					</div>
	   </div>
	</div>
	</div>			</div>
			<div id="reply">
				
    <div class="commentReply js-comment js-comment-reply" data-comment-id="{commentID}" id="comment-{commentID}" data-user-id="">
		<div class="commentInnerWrapper"><a href="{userLink}" class="js-user-link"><img src="{userImage}" width="33" height="33" alt="{usernameAlt}" class="img" onerror="this.src='https://i-invdn-com.investing.com/defaultUserMaleTmp.png';"></a><div class="commentBody js-content">
            				<span class="commentUsername">
					<a href="{userLink}" class="commentUsername js-user-link js-user-name" onMouseOver="">{username}</a>
				</span>
                        <span class="js-date" comment-date="{dateFormat}" comment-date-formatted="{dateFormatted}" title="{dateTitle}">Just Now</span>
			 <div class="commentAuthor js-comment-by-author"><span class="commentAuthorIcon"></span>Author's response</div> 			<div class="commentDropDown js-commentDropDownWrapper " data-user-id="" data-cid="{commentID}">
	<a href="javascript:void(0);" class="threeDotsIconSmall js-thinDropdownArrow"></a>
	<div class="tooltipPopup commentActionsPop noHeader js-commentDropDownOptions displayNone">
		<div class="addRow js-option share">
			<a href="javascript:void(0);" class="js-commentSharePopup" data-cid="{commentID}" data-curl="{commentLink}"><span class="smallShareIcon middle"></span>Share</a>
		</div>

</div>
		<div id="commentText-{commentID}" class="js-text-wrapper commentText withImage">
							<div id="commentBigChart{commentID}" class="replyBigChart displayNone js-comment-chart">
					<img src="https://d72-invdn-com.investing.com/comments_images/{commentImage}" alt="{commentAlt}">
					<i class="newMagnifyChartIcon"></i>
				</div>
				<span id="commentSmallChart{commentID}" class="commentSmallChart pointer js-comment-chart" onclick="openViewChartPopup('{commentID}')">
                    <img src="https://d72-invdn-com.investing.com/comments_images/{commentImageSmall}" width="116" height="52" alt="{commentAlt}">
                    <span class="chartMagnifyOverlay displayNone"></span>
                    <span class="searchGlassIcon chartMagnify displayNone"></span>
                </span>
						<span class="js-text">{commentContent}</span>
			<div class="clear"></div>
							<div class="commentButtons js-not-master-user">
					<a href="javascript:void(0)" class="reply js-reply-btn" data-real-parent-id="{commentID}" data-to-user-name="{username}" data-to-user-id="">Reply</a>
					<div class="inlineblock likeDislikeBox js-like-dislike-box" data-item-id="{commentID}">
	<input class="js-like-checkbox" type="checkbox" name="option" value="Yes" id="like_{commentID}">
	<label for="like_{commentID}" class="like" title="I agree"></label>
	<span class="numOfLikes js-like-count lighterGrayFont">0</span>
	<input class="js-dislike-checkbox" type="checkbox" name="option" value="No" id="dislike_{commentID}">
	<label for="dislike_{commentID}" class="dislike" title="I disagree"></label>
	<span class="numOfDislikes js-dislike-count lighterGrayFont">0</span>
</div>

Are you sure you want to delete this chart?

Delete Cancel

Post

Replace the attached chart with a new chart ?

Replace Cancel

1000

Comment Guidelines

Your ability to comment is currently suspended due to negative user reports. Your status will be reviewed by our moderators.

Please wait a minute before you try to comment again.

I feel that this comment is:

Spam

Offensive

Thank You!

Your report has been sent to our moderators for review

More Categories

1D1W1M6M1Y5YMax

NSE 30	5,439.14	+22.20	+0.41%
NSE All Share	148,977.78	+622.74	+0.42%
US 30	46,367.6	+177.0	+0.38%
US 500	6,694.8	+30.8	+0.46%
FTSE 100	9,404.30	+49.73	+0.53%
DAX	24,100.14	+254.73	+1.07%
South Africa Top 40	103,932.75	+503.72	+0.49%

Brent Oil	60.76	-0.53	-0.86%
Crude Oil WTI	56.65	-0.50	-0.87%
Gold	4,269.34	+56.04	+1.33%
Silver	50.780	+0.676	+1.35%
Copper	5.0168	+0.0473	+0.95%
London Cocoa	4,106.00	-92.00	-2.19%
London Wheat	165.15	+1.65	+1.01%

Nigeria 10Y	15.577	+0.001	+0.01%
Nigeria 2Y	16.019	-0.002	-0.01%
U.K. 10Y	4.5290	-0.0020	-0.04%
Germany 10Y	2.5889	+0.0119	+0.46%
U.S. 10Y	4.020	+0.010	+0.25%
U.S. 5Y	3.606	+0.014	+0.39%
U.S. 2Y	3.476	+0.012	+0.35%

Fidelitybk	20.000	-0.100	-0.50%
Zenith Bank	68.20	+0.15	+0.22%
UBA	42.00	0.00	0.00%
First HoldCo	31.40	-0.60	-1.88%
Guaranty Trust Holding	93.30	-0.20	-0.21%
Sterling Bank	7.800	-0.400	-4.88%
Dangote Cement	600.00	+0.20	+0.03%

Recent Quotes

	Name	Price	Chg.	Chg. %
	BlackRock US Tota.	9.26	-0.01	-0.11%