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iShares Core S&P 500 ETF

3,960 hedge funds and large institutions have $552B invested in iShares Core S&P 500 ETF in 2026 Q1 according to their latest regulatory filings, with 167 funds opening new positions, 1,762 increasing their positions, 1,512 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:

2% less funds holding in top 10

Funds holding in top 10: 1,2731,243 (-30)

6% less capital invested

Capital invested by funds: $587B → $552B (-$35B)

14% less call options, than puts

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

Holders
3,960
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1,243
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
OC
4001
Opal Capital
Florida
XT
4002
XTX Topco
Cayman Islands
HOWA
4003
Heritage Oak Wealth Advisors
Florida
OCM
4004
Orleans Capital Management
Louisiana
FMI
4005
Fiduciary Management Inc
Wisconsin
Qube Research & Technologies (QRT)
4006
Qube Research & Technologies (QRT)
United Kingdom
TL
4007
Tradewinds LLC
North Carolina
SP
4008
Sherman Porfolios
Idaho
TDWM
4009
Topel & Distasi Wealth Management
California
HP
4010
Hound Partners
New York
DDC
4011
DF Dent & Co
Maryland
FLII
4012
First Long Island Investors
New York
IPW
4013
IronBridge Private Wealth
Texas
SRIM
4014
Saratoga Research & Investment Management
California
CG
4015
Corundum Group
Colorado
BMM
4016
Berkshire Money Management
Massachusetts
FEM
4017
Fulcrum Equity Management
Texas
CWM
4018
Collaborative Wealth Management
Florida
FA
4019
Fortis Advisors
Pennsylvania
GRR
4020
Golden Reserve Retirement
Ohio
AS
4021
Akuna Securities
Illinois
WS
4022
Wilian Securities
Minnesota
KCM
4023
KM Capital Management
Texas
CP
4024
Covenant Partners
Tennessee
HFA
4025
Hershey Financial Advisers
Pennsylvania