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Blackrock
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2,274 hedge funds and large institutions have $135B invested in Blackrock in 2025 Q3 according to their latest regulatory filings, with 192 funds opening new positions, 874 increasing their positions, 828 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed

90% more first-time investments, than exits

New positions opened: 192 | Existing positions closed: 101

9% more capital invested

Capital invested by funds: $124B → $135B (+$10.6B)

5% more funds holding in top 10

Funds holding in top 10: 42 → 44 (+2)

2% more funds holding

Funds holding: 2,219 → 2,274 (+55)

6% more repeat investments, than reductions

Existing positions increased: 874 | Existing positions reduced: 828

1.76% less ownership

Funds ownership: 76.55% → 74.79% (-1.8%)

51% less call options, than puts

Call options by funds: $988M | Put options by funds: $2.04B

Holders
2,274
Holders Change
+55
Holders Change %
+2.48%
% of All Funds
29.84%
Holding in Top 10
44
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+4.76%
% of All Funds
0.58%
New
192
Increased
874
Reduced
828
Closed
101
Calls
$988M
Puts
$2.04B
Net Calls
-$1.05B
Net Calls Change
-$953M

Top Buyers

Rank Fund Capital Flow
1
Viking Global Investors
Viking Global Investors
Connecticut
+$474M
2
DZ Bank
DZ Bank
Germany
+$377M
3
Millennium Management
Millennium Management
New York
+$368M
4
PFBT
Parkside Financial Bank & Trust
Missouri
+$273M
5
Bank of America
Bank of America
North Carolina
+$254M

Top Sellers

Rank Fund Capital Flow
1
Citigroup
Citigroup
New York
-$427M
2
UBS AM
UBS AM
Illinois
-$319M
3
First Trust Advisors
First Trust Advisors
Illinois
-$281M
4
Ameriprise
Ameriprise
Minnesota
-$234M
5
Deutsche Bank
Deutsche Bank
Germany
-$227M
Name Holding Trade Value Shares
Change 		Change in
Stake
ACA
2251
American Capital Advisory
Idaho
$4.66K – – –
BTD
2252
BankPlus Trust Department
Mississippi
$4.66K – – –
MSFP
2253
Mark Sheptoff Financial Planning
Connecticut
$4.66K – – –
HC
2254
Hurley Capital
New York
$4.66K +$4.47K +4 New
Q1WB
2255
Quest 10 Wealth Builders
Virginia
$4.66K +$4.47K +4 New
PS
2256
PayPay Securities
Japan
$4.35K +$1.12K +1 +33%
BFS
2257
Burkett Financial Services
South Carolina
$3.55K – – –
HWM
2258
Horizons Wealth Management
North Carolina
$3.5K -$4.47K -4 -57%
W
2259
WealthCollab
Washington
$3.5K – – –
WA
2260
WestEnd Advisors
North Carolina
$3.5K – – –
BFS
2261
Bare Financial Services
Pennsylvania
$3.5K +$1.12K +1 +50%
BI
2262
Binnacle Investments
Iowa
$3.5K +$2.24K +2 +200%
FNWA
2263
Financial Network Wealth Advisors
Utah
$2.33K – – –
LFA
2264
LGT Financial Advisors
Texas
$2.33K – – –
QWM
2265
Quaker Wealth Management
New Jersey
$2.33K – – –
DCM
2266
Davis Capital Management
Florida
$2.33K +$2.24K +2 New
SFCL
2267
Strengthening Families & Communities LLC
Massachusetts
$1.18K – – –
HFS
2268
Horizon Financial Services
North Carolina
$1.17K – – –
IAS
2269
IMA Advisory Services
Colorado
$1.17K – – –
EFMH
2270
E Fund Management (HK)
Hong Kong
$1.17K +$1.12K +1 New
QL
2271
Quarry LP
New York
$1.17K +$1.12K +1 New
TCB
2272
Texas Capital Bancshares
Texas
$1.17K +$1.12K +1 New
BAM
2273
Bellevue Asset Management
Washington
$1.17K +$1.12K +1 New
Lazard Asset Management
2274
Lazard Asset Management
New York
$172 -$82.7K -74 -33%
Norges Bank
2275
Norges Bank
Norway
– -$2.64B -2,519,902 Closed
89 90
91
92 93

BLK Hedge Fund Activity: Q3 2025 in Review

2,274 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Blackrock (BLK) for Q3 2025, worth a combined $135B — up 8.5% from $124B a quarter earlier.

Buyers outnumbered sellers: 192 funds opened new BLK positions and 101 closed out — a net gain of 91 holders — while 874 added to existing stakes and 828 trimmed.

The largest buyer was Viking Global Investors, adding an estimated $474M. The largest seller was Citigroup, cutting an estimated $427M.

  • 2,274 institutional investors held Blackrock (BLK) as of Q3 2025, up from 2,219 in Q2 2025.
  • Funds reported $135B of Blackrock stock for Q3 2025, up 8.5% quarter-over-quarter.
  • 192 funds opened new Blackrock positions in Q3 2025 and 101 closed out, a net change of +91 holders.
  • The largest Blackrock buyer in Q3 2025 was Viking Global Investors, an estimated $474M added.
  • The largest Blackrock seller in Q3 2025 was Citigroup, an estimated $427M sold.

Based on aggregated 13F filings for Q3 2025.