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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
SN
3926
Sittner & Nelson
Oregon
$35.9K
KSB
3927
Kennebec Savings Bank
Maine
$35.3K
CVM
3928
Cheviot Value Management
California
$34.6K
CPL
3929
Capital & Planning LLC
Georgia
$34K
KC
3930
Knuff & Co
California
$32.7K
PK
3931
Pflug Koory
Nebraska
$31.4K
RS
3932
Rakuten Securities
Japan
$30K
SR
3933
Swiss Re
Switzerland
$29.4K
GI
3934
GS Investments
Minnesota
$28.7K
TVWM
3935
Tower View Wealth Management
Wisconsin
$28.7K
PAIM
3936
Punch & Associates Investment Management
Minnesota
$27.4K
JAWA
3937
John A. Wolfe & Associates
Michigan
$27.4K
PUI
3938
Purpose Unlimited Inc
$25.5K
NL
3939
NVWM LLC
Pennsylvania
$24.8K
B
3940
Birchbrook
Maine
$24.8K
MAM
3941
Marquette Asset Management
Minnesota
$24.2K
MSWA
3942
Marshall & Sterling Wealth Advisors
New York
$24.2K
GTAM
3943
Global Trust Asset Management
Florida
$23.3K
EF
3944
Entrust Financial
Pennsylvania
$21.6K
SC
3945
Sawyer & Company
Massachusetts
$20.9K
DSC
3946
Daytona Street Capital
Missouri
$19.8K
EWP
3947
Elevation Wealth Partners
California
$19.6K
W
3948
WealthCollab
Washington
$15.7K
DFC
3949
DB Fitzpatrick & Co
Idaho
$15.7K
MCA
3950
McGuire Capital Advisors
Oklahoma
$15K