Blackrock BLK
$1,178.87 +$8.20 (+0.70%)
Market closed · Nov 7, 9:10 am ET · Last extended-hours $1,176.59 -0.19%
Open$1,157.78
Prev close$1,170.67
Day range$1,155.52 – $1,195.19
Volume521.4K
Market cap$182.05B
P/E (TTM)26.8
Dividend yield1.90%
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Institutional ownership85.3%+0.33 pts vs. prior quarter
Institutions holding2,795+67 vs. prior quarter
Insider trades (recent)35 buys / 14 sellsNet buying
Short interest1.38% of floatDays to cover 3.5 · as of 15 Oct 2026
Short-sale volume share18.0%5-day average of daily volume
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$21.75M (9 inflow days, 11 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 24.1% of shares outstanding.
Largest holders
By investor type
Reported short interest has held roughly steady near 1.38% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Deka Investment GmbH | Mutual Fund | 2026/Q3 | +213,117 | 0.2% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +850,406 | 2.9% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +394,079 | 0.7% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +300,372 | 0.2% |
| Two Sigma Investments, LP | Hedge Fund | 2026/Q3 | +292,299 | 0.3% |
| Norges Bank Investment Management | Sovereign Wealth Fund | 2026/Q3 | +269,127 | 1.8% |
| Union Asset Management Holding AG | Mutual Fund | 2026/Q3 | +257,693 | 0.3% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +213,144 | 0.4% |
| SG Americas Securities, LLC | Private Company | 2026/Q3 | +202,668 | 0.2% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +136,020 | 4.1% |
| Marshall Wace LLP | Hedge Fund | 2026/Q3 | +128,063 | 0.1% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +126,319 | 0.1% |
| Balyasny Asset Management L.P. | Hedge Fund | 2026/Q3 | +124,675 | 0.2% |
| RBC Global Asset Management Inc. | Mutual Fund | 2026/Q3 | +119,291 | 0.1% |
| Renaissance Technologies Corp. | Hedge Fund | 2026/Q3 | +118,722 | 0.1% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 18 Oct 2026 | Marc Comerchero | MD & Chief Accounting Officer | Other Disposition | -1,192 | – | 1,639 |
| 29 Sep 2026 | William Ford | Independent Member of Board of Directors | Other Acquisition | +34 | – | 15,979 |
| 29 Sep 2026 | Gordon Nixon | Independent Member of Board of Directors | Other Acquisition | +34 | – | 4,868 |
| 29 Sep 2026 | Gregg Lemkau | Independent Member of Board of Directors | Other Acquisition | +27 | – | 86 |
| 29 Sep 2026 | Fabrizio Freda | Independent Member of Board of Directors | Other Acquisition | +18 | – | 3,058 |
| 29 Sep 2026 | Hans Vestberg | Independent Member of Board of Directors | Other Acquisition | +33 | – | 1,417 |
| 29 Sep 2026 | Pamela Daley | Independent Member of Board of Directors | Other Acquisition | +27 | – | 5,766 |
| 29 Sep 2026 | Kathleen Murphy | Independent Member of Board of Directors | Other Acquisition | +36 | – | 664 |
| 29 Sep 2026 | Margaret Johnson | Independent Member of Board of Directors | Other Acquisition | +33 | – | 3,437 |
| 29 Sep 2026 | Charles Robbins | Independent Director | Other Acquisition | +27 | – | 2,384 |
| 29 Sep 2026 | Amin Nasser | Independent Director | Other Acquisition | +27 | – | 523 |
| 29 Sep 2026 | Kristin Peck | Independent Director | Other Acquisition | +30 | – | 1,328 |
| 17 Aug 2026 | Manish Mehta | Senior MD & Head of BlackRock Global Markets and Index Investment | Initial Statement of Beneficial | +0 | – | 11,030 |
| 20 Jul 2026 | Laurence Fink | Chairperson & CEO | Other Disposition | -7,852 | – | 201,683 |
| 15 Jul 2026 | Laurence Fink | Chairperson & CEO | Open Market Disposition | -1,905 | $1,080.57 | 209,535 |
| 15 Jul 2026 | Christopher Meade | General Counsel & Chief Legal Officer | Derivative Exercise and Sale | -18,095 | $1,102.80 | 9,997 |
| 29 Jun 2026 | William Ford | Independent Member of Board of Directors | Other Acquisition | +37 | – | 15,622 |
| 29 Jun 2026 | Gordon Nixon | Independent Member of Board of Directors | Other Acquisition | +37 | – | 4,511 |
| 29 Jun 2026 | Gregg Lemkau | Independent Member of Board of Directors | Other Acquisition | +30 | – | 59 |
| 29 Jun 2026 | Fabrizio Freda | Independent Member of Board of Directors | Other Acquisition | +21 | – | 2,717 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 2,135,642 | 1.4% | 3.5 |
| 30 Sep 2026 | 2,040,215 | 1.3% | 3.6 |
| 15 Sep 2026 | 2,040,079 | 1.3% | 4.0 |
| 31 Aug 2026 | 1,911,216 | 1.2% | 3.3 |
| 14 Aug 2026 | 1,813,402 | 1.2% | 3.1 |
| 31 Jul 2026 | 2,176,024 | 1.4% | 2.8 |
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