Ticker · CUSIP 09290D101

BLK

BLACKROCK INC
Financial Services·Asset Management
···Share
Holders (tracked)
29
Combined shares
9,330,805
Combined value
$9.42B
Last close
$1024.95
Quarter
2025Q4
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 5.
29232024Q42025Q4
Price is +1.5% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +51,897 shares · 2025Q4
    13F
  2. Wellington Management added2026-02-17
    +968,245 shares · 2025Q4
    13F
  3. Ron Baron (Baron Capital / BAMCO) trimmed2026-02-17
    −48 shares · 2025Q4
    13F
  4. Ken Griffin (Citadel Advisors) added2026-02-17
    +249,545 shares · 2025Q4
    13F
  5. D.E. Shaw & Co. opened position2026-02-17
    +70,258 shares · 2025Q4
    13F
  6. ValueAct Holdings opened position2026-02-17
    +695,000 shares · 2025Q4
    13F
  7. Andreas Halvorsen (Viking Global) exited2026-02-17
    −619,492 shares · 2025Q4
    13F
  8. Two Sigma Investments added2026-02-17
    +16,500 shares · 2025Q4
    13F
  9. Izzy Englander (Millennium Mgmt) added2026-02-17
    +154,198 shares · 2025Q4
    13F
  10. AQR Capital Management added2026-02-17
    +31,283 shares · 2025Q4
    13F
  11. Steve Cohen (Point72) opened position2026-02-17
    +168,495 shares · 2025Q4
    13F
  12. T. Rowe Price added2026-02-17
    +4,514 shares · 2025Q4
    13F
  13. Bill Nygren (Harris / Oakmark) trimmed2026-02-17
    −12,289 shares · 2025Q4
    13F
  14. Ray Dalio (Bridgewater Associates) added2026-02-13
    +1,305 shares · 2025Q4
    13F
  15. Ruane, Cunniff & Goldfarb (Sequoia) exited2026-02-13
    −186 shares · 2025Q4
    13F
  16. Dodge & Cox added2026-02-13
    +56 shares · 2025Q4
    13F
  17. Renaissance Technologies opened position2026-02-12
    +3,846 shares · 2025Q4
    13F
  18. Norges Bank (Norway SWF) opened position2026-02-10
    +2,562,438 shares · 2025Q4
    13F
  19. Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
    −77,808 shares · 2025Q4
    13F
  20. Mario Gabelli (GAMCO) trimmed2026-02-05
    −87 shares · 2025Q4
    13F
  21. D.E. Shaw & Co. exited2025-11-14
    −6,414 shares · 2025Q3
    13F
  22. Andreas Halvorsen (Viking Global) added2025-11-14
    +424,388 shares · 2025Q3
    13F
  23. AQR Capital Management added2025-11-14
    +10,499 shares · 2025Q3
    13F
  24. Izzy Englander (Millennium Mgmt) added2025-11-14
    +328,767 shares · 2025Q3
    13F
  25. Ruane, Cunniff & Goldfarb (Sequoia) opened position2025-11-14
    +186 shares · 2025Q3
    13F
  26. Two Sigma Investments trimmed2025-11-14
    −52,463 shares · 2025Q3
    13F
  27. T. Rowe Price added2025-11-14
    +2,445 shares · 2025Q3
    13F
  28. Wellington Management trimmed2025-11-14
    −11,398 shares · 2025Q3
    13F
  29. Bill Nygren (Harris / Oakmark) trimmed2025-11-14
    −194,018 shares · 2025Q3
    13F
  30. Jeremy Grantham (GMO) trimmed2025-11-13
    −68 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for BLK →
Follow-the-investor returns
If you'd copied each holder of BLK…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2024Q4$1.02+100032.0%$542.9M
Jeremy Grantham (GMO)2024Q4$1016.56+0.8%$1.3M
Mario Gabelli (GAMCO)2024Q4$1025.11-0.0%$4.7M
Ron Baron (Baron Capital / BAMCO)2024Q4$1025.11-0.0%$1.1M
Tom Gayner (Markel Group)2024Q4$1025.11-0.0%$225.7M
Ken Fisher (Fisher Asset Mgmt)2024Q4$1025.11-0.0%$1.87B
Bill Nygren (Harris / Oakmark)2024Q4$1027.58-0.3%$55.8M
Norges Bank (Norway SWF)2024Q4$1027.95-0.3%$2.63B
Dodge & Cox2024Q4$1028.67-0.4%$729K
Wellington Management2025Q1$1041.57-1.6%$1.49B
AQR Capital Management2024Q4$1048.43-2.2%$90.8M
Ken Griffin (Citadel Advisors)2024Q4$1052.56-2.6%$413.9M
Ken Griffin (Citadel Advisors)2024Q4$1052.56-2.6%$413.9M
Ken Griffin (Citadel Advisors)2024Q4$1052.56-2.6%$413.9M
Two Sigma Investments2024Q4$1056.89-3.0%$45.1M
Paul Tudor Jones (Tudor Investment)2024Q4$1062.06-3.5%$5.5M
Paul Tudor Jones (Tudor Investment)2024Q4$1062.06-3.5%$5.5M
Paul Tudor Jones (Tudor Investment)2024Q4$1062.06-3.5%$5.5M
ValueAct Holdings2025Q4$1070.34-4.2%$712.3M
Renaissance Technologies2025Q4$1070.62-4.3%$3.9M
Steve Cohen (Point72)2024Q4$1072.00-4.4%$172.7M
Steve Cohen (Point72)2024Q4$1072.00-4.4%$172.7M
Steve Cohen (Point72)2024Q4$1072.00-4.4%$172.7M
Izzy Englander (Millennium Mgmt)2024Q4$1078.01-4.9%$115.6M
Izzy Englander (Millennium Mgmt)2024Q4$1078.01-4.9%$115.6M
Izzy Englander (Millennium Mgmt)2024Q4$1078.01-4.9%$115.6M
D.E. Shaw & Co.2024Q4$1088.54-5.8%$19.1M
D.E. Shaw & Co.2024Q4$1088.54-5.8%$19.1M
Ray Dalio (Bridgewater Associates)2025Q3$1138.66-10.0%$4.7M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions6
Added to8
Trimmed4
Exited2

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2024Q4
23
$5.63B
2025Q1
25
$3.50B
2025Q2
26
$6.55B
2025Q3
23
$5.00B
2025Q4
29
$9.42B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-03-19Richard Dean Dr McCormickBuy$1K – $15KPDF ↗
2025-11-05Richard Dean Dr McCormickBuy$1K – $15KPDF ↗
2025-10-14Lisa McClainSell$1K – $15KPDF ↗
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗
2025-09-18Richard Dean Dr McCormickSell (P)$1K – $15KPDF ↗
2025-08-18Dan NewhouseSell (P)$1K – $15KPDF ↗
2025-08-11Julie JohnsonSell$1K – $15KPDF ↗
2025-07-22Julie JohnsonSell (P)$1K – $15KPDF ↗
2025-07-16Lisa McClainBuy$1K – $15KPDF ↗
2025-07-11Ritchie John TorresSell$1K – $15KPDF ↗
2025-04-11Dan NewhouseSell (P)$1K – $15KPDF ↗
2025-04-09Josh GottheimerSell (P)$1K – $15KPDF ↗

Who owns BLK

29 super-investors · 2025Q4
Tracked stake
9.33M
shares
Combined value
$9.42B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New11Added12Trim4Held2
#ManagerSharesValue
1Norges Bank
Norway SWF
2.56M$2.74B
2Ken Fisher
Fisher Asset Mgmt
1.82M$1.95B
3Wellington Management1.45M$1.55B
4ValueAct Holdings695.0K$744M
5Izzy Englander
Millennium Mgmt
508.1K$544M
6Ken Griffin
Citadel Advisors
403.8K$432M
7Ken Griffin
Citadel Advisors
228.2K$244M
8Tom Gayner
Markel Group
220.2K$236M
9Ken Griffin
Citadel Advisors
172.1K$184M
10Steve Cohen
Point72
168.5K$180M
11Izzy Englander
Millennium Mgmt
112.8K$121M
12AQR Capital Management88.6K$95M
13D.E. Shaw & Co.70.3K$75M
14Bill Nygren
Harris / Oakmark
54.4K$58M
15Paul Tudor Jones
Tudor Investment
52.1K$56M
16Paul Tudor Jones
Tudor Investment
51.9K$56M
17Two Sigma Investments44.0K$47M
18Izzy Englander
Millennium Mgmt
43.1K$46M
19D.E. Shaw & Co.18.6K$20M
20Steve Cohen
Point72
6.2K$7M
21Paul Tudor Jones
Tudor Investment
5.4K$6M
22Mario Gabelli
GAMCO
4.6K$5M
23Ray Dalio
Bridgewater Associates
4.6K$5M
24Renaissance Technologies3.8K$4M
25Steve Cohen
Point72
3.8K$4M
26Jeremy Grantham
GMO
1.2K$1M
27Ron Baron
Baron Capital / BAMCO
1.1K$1M
28Dodge & Cox711$761K
29T. Rowe Price529.7K$567K

Recent moves

20 transactions
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