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iShares Core S&P 500 ETF

3,919 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 166 funds opening new positions, 1,742 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:

2% less funds holding in top 10

Funds holding in top 10: 1,2681,237 (-31)

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
3,919
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1,237
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
S
1976
Sunpointe
Missouri
$3.31M
CFB
1977
Cullen/Frost Bankers
Texas
$3.3M
IUHSA
1978
Itau Unibanco Holding S.A.
Brazil
$3.29M
EAM
1979
Evanson Asset Management
California
$3.29M
ATWA
1980
Arbor Trust Wealth Advisors
Michigan
$3.28M
AIM
1981
Arcadia Investment Management
Michigan
$3.28M
Vontobel Holding
1982
Vontobel Holding
Switzerland
$3.28M
IP
1983
Investment Partners
Ohio
$3.27M
CAM
1984
Cidel Asset Management
Ontario, Canada
$3.27M
EP
1985
Edgestream Partners
New Jersey
$3.26M
WA
1986
Westfuller Advisors
New York
$3.26M
GWM
1987
Gibbs Wealth Management
Georgia
$3.25M
ME
1988
McIlrath & Eck
Washington
$3.25M
SWA
1989
Sterling Wealth Advisors
Florida
$3.24M
PPWP
1990
Premier Path Wealth Partners
New Jersey
$3.24M
CF
1991
Centaurus Financial
California
$3.24M
PWM
1992
Praetorian Wealth Management
California
$3.24M
FB
1993
First Bancorp
Maine
$3.22M
RCWMU
1994
Rothschild & Co Wealth Management (UK)
United Kingdom
$3.22M
GIA
1995
GHP Investment Advisors
Colorado
$3.22M
CA
1996
Capital Advantage
California
$3.2M
FM
1997
Family Management
New York
$3.19M
SA
1998
SRH Advisors
Kansas
$3.19M
WF
1999
Warner Financial
Maryland
$3.18M
OAS
2000
Optivise Advisory Services
Tennessee
$3.17M