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iShares Core S&P 500 ETF

3,912 hedge funds and large institutions have $551B invested in iShares Core S&P 500 ETF in 2026 Q1 according to their latest regulatory filings, with 165 funds opening new positions, 1,738 increasing their positions, 1,496 reducing their positions, and 125 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less ownership

Funds ownership:

3% less funds holding in top 10

Funds holding in top 10: 1,2681,235 (-33)

6% less capital invested

Capital invested by funds: $587B → $551B (-$35.6B)

14% less call options, than puts

Call options by funds: $1.88B | Put options by funds: $2.2B

Holders
3,912
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1,235
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.88B
Puts
$2.2B
Net Calls
Net Calls Change

Top Buyers

1 +$8.51B
2 +$5.79B
3 +$4.52B
4
BlackRock
BlackRock
New York
+$3.64B
5
Citadel Advisors
Citadel Advisors
Florida
+$2.72B

Top Sellers

1 -$11.6B
2 -$6.93B
3 -$5.01B
4
Marshall Wace
Marshall Wace
United Kingdom
-$4.21B
5
SSA
Schonfeld Strategic Advisors
New York
-$3.6B
Name Holding Trade Value Shares
Change
Change in
Stake
CAS
3951
Coppell Advisory Solutions
Texas
HT
3952
Headlands Technologies
Illinois
OC
3953
Opal Capital
Florida
XT
3954
XTX Topco
Cayman Islands
HOWA
3955
Heritage Oak Wealth Advisors
Florida
OCM
3956
Orleans Capital Management
Louisiana
FMI
3957
Fiduciary Management Inc
Wisconsin
Qube Research & Technologies (QRT)
3958
Qube Research & Technologies (QRT)
United Kingdom
TL
3959
Tradewinds LLC
North Carolina
SP
3960
Sherman Porfolios
Idaho
TDWM
3961
Topel & Distasi Wealth Management
California
HP
3962
Hound Partners
New York
DDC
3963
DF Dent & Co
Maryland
FLII
3964
First Long Island Investors
New York
IPW
3965
IronBridge Private Wealth
Texas
SRIM
3966
Saratoga Research & Investment Management
California
CG
3967
Corundum Group
Colorado
BMM
3968
Berkshire Money Management
Massachusetts
FEM
3969
Fulcrum Equity Management
Texas
CWM
3970
Collaborative Wealth Management
Florida
FA
3971
Fortis Advisors
Pennsylvania
GRR
3972
Golden Reserve Retirement
Ohio
AS
3973
Akuna Securities
Illinois
WS
3974
Wilian Securities
Minnesota
KCM
3975
KM Capital Management
Texas