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iShares Core S&P 500 ETF

3,915 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, 1,739 increasing their positions, 1,498 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: 1,2681,236 (-32)

6% less capital invested

Capital invested by funds: $587B → $551B (-$35.5B)

14% less call options, than puts

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

Holders
3,915
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1,236
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
MMC
726
Mizuho Markets Cayman
Cayman Islands
$37.9M
SA
727
Sovran Advisors
California
$37.8M
ACA
728
Adirondack Capital Advisors
New York
$37.8M
MFA
729
Mayflower Financial Advisors
Massachusetts
$37.4M
BA
730
Bellwether Advisors
Nebraska
$37.2M
AAMA
731
Advanced Asset Management Advisors
Ohio
$37.2M
NIWA
732
New Insight Wealth Advisors
California
$37.2M
AWM
733
Avondale Wealth Management
Texas
$37.2M
LA
734
Legacy Advisors
Pennsylvania
$37.1M
AR
735
Apeiron RIA
Texas
$37M
SSWM
736
Sheets Smith Wealth Management
North Carolina
$37M
WQ
737
Wealth Quarterback
New Jersey
$36.9M
GAB
738
German American Bancorp
Indiana
$36.9M
GI
739
Gradient Investments
Minnesota
$36.7M
EW
740
Enzi Wealth
Texas
$36.7M
BWM
741
Buska Wealth Management
Wisconsin
$36.6M
FHC
742
First Horizon Corporation
Tennessee
$36.5M
NW
743
NewEdge Wealth
Pennsylvania
$36.4M
RCAG
744
Rehmann Capital Advisory Group
Michigan
$36.4M
FFO
745
Fortitude Family Office
Arizona
$36.4M
KFSC
746
Keystone Financial Services (Colorado)
Colorado
$36.3M
HF
747
HRT Financial
New York
$36.3M
GCA
748
Greenwood Capital Associates
South Carolina
$36.1M
IWM
749
Integris Wealth Management
California
$36M
RIS
750
Retirement Income Solutions
Michigan
$36M