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Blackrock BLK

US equityMarket cap rank #95Asset Management
$1,067.79
+$6.90 (+0.65%)
Market open · Sep 24, 2:00 pm ET
After hours $1,060.05 -0.08%
Open$1,059.70
Prev close$1,060.89
Day range$1,053.49 – $1,070.09
Volume201.1K
Market cap$165.37B
P/E (TTM)25.6
Dividend yield2.05%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership85.3%+0.03 pts vs. prior quarter
Institutions holding2,728-13 vs. prior quarter
Insider trades (recent)11 buys / 3 sellsNet buying
Short interest1.23% of floatDays to cover 3.3 · as of 31 Aug 2026
Short-sale volume share16.3%5-day average of daily volume

Short-sale volume as % of daily volume

8%12%17%21%Aug '26Sep '26Sep '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$36.81M (5 inflow days, 15 outflow days).

Largest holders

  • Vanguard Capital Management, LLC6.51%
  • Kuwait Investment Authority5.16%
  • Capital Research4.40%
  • State Street Global Advisors4.14%
  • BlackRock3.83%

By investor type

  • Mutual Fund59.11%
  • Sovereign Wealth Fund7.04%
  • Public Company5.74%
  • VC/PE Fund4.01%
  • Hedge Fund3.79%
  • Private Company2.57%
  • Government Pension Fund1.93%
  • Individual/Insider1.90%
Institutional holders2,728
Institutional ownership85.3%

Insider activity

Total transactions30
Bought11
Sold3

Short interest

Report dateShares short% of floatDays to cover
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
15 Jul 2026 2,095,185 1.4% 2.6
30 Jun 2026 2,073,854 1.3% 2.0
15 Jun 2026 2,009,447 1.3% 2.8
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