Who Owns IWB?
iShares Russell 1000 ETF — Institutional Ownership & 13F Holdings
$390.49
+2.59 (+0.67%)
Market Cap
$46.6B
Shares Outstanding
125,250,008
Institutional Holders
1,320
Total Inst. Value
$23.2B
% of Float Held
—
QoQ Holder Change
+530
Institutional data as of Q1 2025
New Positions
327
Closed Positions
85
Increased
347
Decreased
365
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | JONES FINANCIAL COMPANIES LLLP | $3.1B | 10,212,592 |
| 2 | FMR LLC | $3.0B | 9,821,642 |
| 3 | BANK OF AMERICA CORP /DE/ | $1.3B | 4,151,386 |
| 4 | NORTHERN TRUST CORP | $833.6M | 2,717,504 |
| 5 | BlackRock, Inc. | $737.7M | 2,404,845 |
| 6 | MORGAN STANLEY | $669.9M | 2,183,914 |
| 7 | GOLDMAN SACHS GROUP INC | $576.9M | 1,880,906 |
| 8 | Millburn Ridgefield LLC /DE/ | $519.5M | 1,693,608 |
| 9 | Catalyst Capital Advisors LLC | $519.5M | 1,693,608 |
| 10 | WELLS FARGO & COMPANY/MN | $472.5M | 1,540,231 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| JONES FINANCIAL COMPANIES LLLP | +472K | $3.1B |
| BANK OF AMERICA CORP /DE/ | +56K | $1.3B |
| NORTHERN TRUST CORP | +36K | $833.6M |
| BlackRock, Inc. | +455K | $737.7M |
| GOLDMAN SACHS GROUP INC | +51K | $576.9M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| HALBERT HARGROVE GLOBAL ADVISORS, LLC | -492K | $5.0M |
| Constellation Investments, Inc. | -464K | $31.1M |
| Bryn Mawr Trust Advisors, LLC | -204K | $2.5M |
| ROYAL BANK OF CANADA | -161K | $108.8M |
| BROWN ADVISORY INC | -137K | $47.0M |
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Frequently Asked Questions
How many institutional investors hold IWB?
As of Q1 2025, 1320 institutional investors report holding IWB (iShares Russell 1000 ETF) in their 13F filings.
Which hedge fund owns the most IWB?
The largest institutional holder of IWB is JONES FINANCIAL COMPANIES LLLP with $3.1B in shares.
Are institutions buying or selling IWB?
This quarter, 327 institutions opened new positions in IWB and 85 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.