Inst. Holders
50 funds
IW
IWF
iShares Russell 1000 Growth ETF
$127.11 ▲ +1.09%
Prev close $125.7337 New Institutional Positions13 Institutional Exits
Snapshot
The big-picture read on IWF right now — valuation, ownership and activity at a glance.
Inst. Value
$73.3B
Inst. Activity
37 buys / 13 sells
SEC Reports
1
Congressional
2 trades
Price chart 30d +4.3%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
No data for this timeframe.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 17, 2026 short_volume
Short Volume: IWF — 72.4% short (2.1M / 2.8M)
Short: 2,059,879 | Exempt: 118 | TRF Vol: 2,845,487 | Short Ratio: 72.4% | Off-exchange volume (dark
Jun 30, 2026 Inst.
PRUDENTIAL FINANCIAL INC — ADD
3,661,993 shares ($454.7M)
Jun 30, 2026 Inst.
Jun 12, 2026 SEC AMERICAN CENTURY COMPANIES INC — DOUBLED
2,553,192 shares ($317.0M)
A mixed institutional cluster in IWF (iShares Russell 1000 Growth ETF) for Q3 2024 shows 20 buyers accumulating $73.9M i
INST-CLUSTER — Impact 4/10
Apr 13, 2026 Congress
Mark Warner sell
$1,001 - $15,000 — Senate
Apr 8, 2026 Congress
Mark Warner buy
$1,001 - $15,000 — Senate
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
1 SEC filing reports analyzed · 0 bullish, 0 bearish, 1 mixed, 0 neutral · avg impact 4.0/10.
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Sep 17, 2026
short_volume
Short Volume: IWF — 72.4% short (2.1M / 2.8M)
Short: 2,059,879 | Exempt: 118 | TRF Vol: 2,845,487 | Short Ratio: 72.4% | Off-exchange volume (dark pool + OTC)
Sep 16, 2026
short_volume
Short Volume: IWF — 59.5% short (0.8M / 1.3M)
Short: 773,056 | Exempt: 2,397 | TRF Vol: 1,298,916 | Short Ratio: 59.5% | Off-exchange volume (dark pool + OTC)
Sep 15, 2026
short_volume
Short Volume: IWF — 66.7% short (2.1M / 3.2M)
Short: 2,117,217 | Exempt: 6,345 | TRF Vol: 3,172,846 | Short Ratio: 66.7% | Off-exchange volume (dark pool + OTC)
Sep 7, 2026
dark_pool
Dark Pool: IWF — 1.1M shares, 12,542 trades
Week starting 2026-09-07. Total ATS volume: 1,117,951 shares across 12,542 trades.
Aug 31, 2026
dark_pool
Dark Pool: IWF — 1.9M shares, 17,826 trades
Week starting 2026-08-31. Total ATS volume: 1,882,699 shares across 17,826 trades.
Institutional ownership
Which big funds own IWF (from quarterly 13F filings) and who is adding or trimming.
50 institutional holders with $73.3B total value (590,853,461 shares) as of 2026-Q2. Top holders: FRED, NOMURA, MORGAN. Net buying activity: 37 institutions added/increased vs 13 reduced.
Top holders — 2026-Q2
| Fund | Shares | Value | % Tracked | Last move |
|---|---|---|---|---|
| FRED ALGER MANAGEMENT, LLC | 14,772 | $0.00 | 0.0% | — |
| NOMURA ASSET MANAGEMENT CO LTD | 0 | $0.00 | 0.0% | — |
| MORGAN STANLEY | 118,891,881 | $14.8B | 20.1% | — |
| BANK OF AMERICA CORP /DE/ | 108,374,626 | $13.5B | 18.4% | — |
| FMR LLC | 33,169,533 | $4.1B | 5.6% | — |
| GOLDMAN SACHS GROUP INC | 27,639,586 | $3.4B | 4.7% | — |
| JPMORGAN CHASE & CO | 26,211,737 | $3.2B | 4.4% | — |
| ENVESTNET ASSET MANAGEMENT INC | 20,963,458 | $2.6B | 3.6% | — |
| NORTHERN TRUST CORP | 19,777,988 | $2.5B | 3.4% | — |
| UBS Group AG | 18,729,649 | $2.3B | 3.2% | — |
Recent position changes
| Fund | Action | Prev | Current | Change | Value |
|---|---|---|---|---|---|
| PRUDENTIAL FINANCIAL INC | ADD | 537,253 | 3,661,993 | +70.4% | $454.7M |
| AMERICAN CENTURY COMPANIES INC | DOUBLED | 266,225 | 2,553,192 | +139.8% | $317.0M |
| Waverly Advisors, LLC | ADD | 203,381 | 1,393,291 | +71.3% | $173.0M |
| Corient Private Wealth LP | ADD | 676,607 | 892,775 | +31.9% | $110.9M |
| Quantinno Capital Management LP | ADD | 162,542 | 839,620 | +29.1% | $104.3M |
| POLEN CAPITAL MANAGEMENT LLC | ADD | 406,863 | 613,639 | +50.8% | $76.2M |
| MetLife Investment Management, LLC | ADD | 90,800 | 577,300 | +58.9% | $71.7M |
| VICTORY CAPITAL MANAGEMENT INC | TRIM | 179,317 | 533,084 | -25.7% | $66.2M |
| Wealthspire Advisors, LLC | ADD | 94,256 | 530,662 | +40.8% | $65.9M |
| LOOMIS SAYLES & CO L P | ADD | 77,353 | 475,532 | +53.7% | $59.0M |
Congressional trades
IWF trades disclosed by members of Congress, with disclosure delay.
1 members · 1 buys / 1 sells
| Date | Member | Party | Chamber | Type | Amount | Asset | Disclosed |
|---|---|---|---|---|---|---|---|
| Apr 13, 2026 | Mark Warner | D | SENATE | SELL | $1,001 - $15,000 | iShares Russell 1000 Growth ETF | May 1, 2026(19d) |
| Apr 8, 2026 | Mark Warner | D | SENATE | BUY | $1,001 - $15,000 | iShares Russell 1000 Growth ETF | May 1, 2026(24d) |
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for IWF.
Shares short
4,484,473
Settlement Sep 15, 2026
Change vs prior
-16.8%
Semi-monthly cycle
Days to cover
1.2
At avg daily volume
All IWF filing & press-release reports (1)
- INST-CLUSTER reportJun 12, 2026