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iShares Core S&P 500 ETF

3,967 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 168 funds opening new positions, 1,766 increasing their positions, 1,514 reducing their positions, and 124 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: 1,2741,245 (-29)

6% less capital invested

Capital invested by funds: $587B → $552B (-$34.8B)

14% less call options, than puts

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

Holders
3,967
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1,245
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
UFF
726
USA Financial Formulas
Michigan
$38.1M
WCM
727
Windsor Capital Management
Arizona
$38.1M
PPW
728
PACK Private Wealth
Minnesota
$38.1M
MMC
729
Mizuho Markets Cayman
Cayman Islands
$37.9M
SA
730
Sovran Advisors
California
$37.8M
ACA
731
Adirondack Capital Advisors
New York
$37.8M
MFA
732
Mayflower Financial Advisors
Massachusetts
$37.4M
BA
733
Bellwether Advisors
Nebraska
$37.2M
AAMA
734
Advanced Asset Management Advisors
Ohio
$37.2M
NIWA
735
New Insight Wealth Advisors
California
$37.2M
AWM
736
Avondale Wealth Management
Texas
$37.2M
LA
737
Legacy Advisors
Pennsylvania
$37.1M
AR
738
Apeiron RIA
Texas
$37M
SSWM
739
Sheets Smith Wealth Management
North Carolina
$37M
WQ
740
Wealth Quarterback
New Jersey
$36.9M
GAB
741
German American Bancorp
Indiana
$36.9M
GI
742
Gradient Investments
Minnesota
$36.7M
EW
743
Enzi Wealth
Texas
$36.7M
BWM
744
Buska Wealth Management
Wisconsin
$36.6M
FHC
745
First Horizon Corporation
Tennessee
$36.5M
NW
746
NewEdge Wealth
Pennsylvania
$36.4M
RCAG
747
Rehmann Capital Advisory Group
Michigan
$36.4M
FFO
748
Fortitude Family Office
Arizona
$36.4M
KFSC
749
Keystone Financial Services (Colorado)
Colorado
$36.3M
HF
750
HRT Financial
New York
$36.3M