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Blackrock
BLK

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
TW
1926
Traveka Wealth
California
$246K +$6.71K +6 +3%
GWM
1927
GSB Wealth Management
Connecticut
$245K -$11.2K -10 -5%
WWC
1928
Waypoint Wealth Counsel
Georgia
$245K +$4.47K +4 +2%
GSIS
1929
Global Strategic Investment Solutions
Arizona
$244K +$10.1K +9 +5%
AIM
1930
AHL Investment Management
Florida
$244K -$21.2K -19 -8%
CFS
1931
Commonwealth Financial Services
West Virginia
$243K +$3.35K +3 +1%
NQWM
1932
Northwest Quadrant Wealth Management
Oregon
$243K +$1.12K +1 +0.5%
OP
1933
ORG Partners
Indiana
$243K +$8.94K +8 +4%
PWM
1934
Proathlete Wealth Management
Florida
$242K -$1.12K -1 -0.5%
VFPW
1935
Vantage Financial Partners (Wisconsin)
Wisconsin
$241K -$5.59K -5 -2%
ACM
1936
Aspen Capital Management
Idaho
$240K +$230K +206 New
NRG
1937
Nemes Rush Group
Michigan
$239K -$5.59K -5 -2%
CWA
1938
Consilio Wealth Advisors
Washington
$239K +$4.47K +4 +2%
LWM
1939
Liberty Wealth Management
California
$239K +$229K +205 New
BCM
1940
Blume Capital Management
California
$239K -$6.71K -6 -3%
AWG
1941
Altus Wealth Group
Colorado
$239K – – –
MWM
1942
Maltin Wealth Management
New Jersey
$239K +$1.12K +1 +0.5%
ONST
1943
Old North State Trust
North Carolina
$238K +$12.3K +11 +6%
NCTC
1944
New Covenant Trust Company
Indiana
$238K -$40.2K -36 -15%
HCM
1945
Hollencrest Capital Management
California
$238K – – –
OWA
1946
Octavia Wealth Advisors
Ohio
$237K +$227K +203 New
BEW
1947
Burton Enright Welch
California
$237K +$227K +203 New
DF
1948
Dunhill Financial
United Kingdom
$236K +$38K +34 +20%
DKCM
1949
Davidson Kahn Capital Management
California
$236K +$11.2K +10 +5%
ME
1950
McIlrath & Eck
Washington
$236K – – –
76 77
78
79 80

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.