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Who owns IUSB?

Institutional ownership of iShares Core Total USD Bond Market ETF from Form 13F, Q2 2026

856 institutional managers reported holding iShares Core Total USD Bond Market ETF (IUSB) in Form 13F filings for Q2 2026, with 904,178,383 shares worth $41.7B. The largest reported holder was Envestnet Asset Management Inc. Managers that filed both quarters added a net 156,656,964 shares (+21.0%). 70 opened new positions and 58 sold out.

Funds holding
856
Value held
$41.7B
New / sold out
70 / 58
Net shares, same filers
+21.0%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of IUSB

FundValueShare of 13F holdingsSharesMove
Envestnet Asset Management Inc$8.3B19.9%180,011,754Added
Jones Financial Companies LLLP$4.1B9.7%87,505,839Added
BlackRock, Inc.$3.8B9.1%82,039,260Added
LPL Financial LLC$2.9B6.9%62,170,177Added
Wells Fargo & Company$2.3B5.6%50,463,381Added
Northwestern Mutual Wealth Management Co$1.5B3.7%33,421,651Added
Morgan Stanley$1.4B3.4%31,037,509Added
JPMorgan Chase & Co$1.0B2.5%22,629,549Added
Mariner, LLC$957M2.3%20,743,278Added
Envestnet Portfolio Solutions, Inc.$782M1.9%16,937,298Added
Bank of New York Mellon Corp$664M1.6%14,380,566Added
Cetera Investment Advisers$616M1.5%13,337,519Added
Ameriprise Financial Inc$601M1.4%13,036,714Added
Park Avenue Securities LLC$596M1.4%12,913,640Added
MML Investors Services, LLC$526M1.3%11,405,773Added
Janney Montgomery Scott LLC$488M1.2%10,566,952Added
OneDigital Investment Advisors LLC$391M0.9%8,476,864Added
SigFig Wealth Management, LLC$255M0.6%5,503,503Added
Wealthspire Advisors, LLC$253M0.6%5,483,050Added
Raymond James Financial Inc$247M0.6%5,356,065Added
Kestra Investment Management, LLC$246M0.6%5,336,406Trimmed
United Capital Financial Advisors, LLC$237M0.6%5,132,935Added
Johnson Financial Group, Inc.$236M0.6%5,120,362Added
Foundations Investment Advisors, LLC$230M0.6%4,994,324Added
Royal Bank of Canada$230M0.6%4,987,957Added

Share of 13F holdings is each fund's shares as a share of the 904,178,383 IUSB shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

  1. Envestnet Asset Management Inc Added+$2.2B
  2. LPL Financial LLC Added+$687M
  3. BlackRock, Inc. Added+$520M
  4. Jones Financial Companies LLLP Added+$367M
  5. Morgan Stanley Added+$233M
  6. JPMorgan Chase & Co Added+$219M
  7. Envestnet Portfolio Solutions, Inc. Added+$203M
  8. MML Investors Services, LLC Added+$191M
  9. NewEdge Advisors, LLC New+$190M
  10. Park Avenue Securities LLC Added+$183M

Biggest sellers in Q2 2026

  1. Gallagher Fiduciary Advisors, LLC Trimmed-$152M
  2. Kestra Investment Management, LLC Trimmed-$107M
  3. J. Mark Nickell & Co. Sold out-$23.6M
  4. Allworth Financial LP Trimmed-$19.9M
  5. Citadel Advisors LLC Sold out-$13.6M
  6. Ascentis Independent Advisors Sold out-$13.2M
  7. Ashton Thomas Securities, LLC Sold out-$12.1M
  8. &partners Trimmed-$10.3M
  9. Independent Advisor Alliance Trimmed-$10.2M
  10. Private Advisor Group, LLC Trimmed-$9.8M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $7.8B and sold $536M; 485 added and 175 trimmed.

Questions about IUSB ownership

Who owns IUSB stock?
856 institutional investment managers reported IUSB positions in their Form 13F filings for Q2 2026, holding 904,178,383 shares worth $41.7B in total. Envestnet Asset Management Inc reported the largest position.
Are funds buying or selling IUSB?
In Q2 2026, 70 managers opened new IUSB positions, 485 added, 175 trimmed and 58 sold out. Managers that filed in both quarters added a net 156,656,964 shares.
How current is this IUSB institutional ownership data?
It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to IUSB by CUSIP. Options are left out. IUSB news and filings · IUSB insider trades · Top funds