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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
WCM
726
Windsor Capital Management
Arizona
$38.1M
PPW
727
PACK Private Wealth
Minnesota
$38.1M
MMC
728
Mizuho Markets Cayman
Cayman Islands
$37.9M
SA
729
Sovran Advisors
California
$37.8M
ACA
730
Adirondack Capital Advisors
New York
$37.8M
MFA
731
Mayflower Financial Advisors
Massachusetts
$37.4M
BA
732
Bellwether Advisors
Nebraska
$37.2M
AAMA
733
Advanced Asset Management Advisors
Ohio
$37.2M
NIWA
734
New Insight Wealth Advisors
California
$37.2M
AWM
735
Avondale Wealth Management
Texas
$37.2M
LA
736
Legacy Advisors
Pennsylvania
$37.1M
AR
737
Apeiron RIA
Texas
$37M
SSWM
738
Sheets Smith Wealth Management
North Carolina
$37M
WQ
739
Wealth Quarterback
New Jersey
$36.9M
GAB
740
German American Bancorp
Indiana
$36.9M
GI
741
Gradient Investments
Minnesota
$36.7M
EW
742
Enzi Wealth
Texas
$36.7M
BWM
743
Buska Wealth Management
Wisconsin
$36.6M
FHC
744
First Horizon Corporation
Tennessee
$36.5M
NW
745
NewEdge Wealth
Pennsylvania
$36.4M
RCAG
746
Rehmann Capital Advisory Group
Michigan
$36.4M
FFO
747
Fortitude Family Office
Arizona
$36.4M
KFSC
748
Keystone Financial Services (Colorado)
Colorado
$36.3M
HF
749
HRT Financial
New York
$36.3M
GCA
750
Greenwood Capital Associates
South Carolina
$36.1M