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iShares Core S&P 500 ETF

3,964 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, 1,764 increasing their positions, 1,513 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 (-$34.9B)

14% less call options, than puts

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

Holders
3,964
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
CAM
2001
Cidel Asset Management
Ontario, Canada
$3.27M
EP
2002
Edgestream Partners
New Jersey
$3.26M
WA
2003
Westfuller Advisors
New York
$3.26M
GWM
2004
Gibbs Wealth Management
Georgia
$3.25M
ME
2005
McIlrath & Eck
Washington
$3.25M
SWA
2006
Sterling Wealth Advisors
Florida
$3.24M
PPWP
2007
Premier Path Wealth Partners
New Jersey
$3.24M
CF
2008
Centaurus Financial
California
$3.24M
PWM
2009
Praetorian Wealth Management
California
$3.24M
FB
2010
First Bancorp
Maine
$3.22M
RCWMU
2011
Rothschild & Co Wealth Management (UK)
United Kingdom
$3.22M
GIA
2012
GHP Investment Advisors
Colorado
$3.22M
CA
2013
Capital Advantage
California
$3.2M
FM
2014
Family Management
New York
$3.19M
SA
2015
SRH Advisors
Kansas
$3.19M
WF
2016
Warner Financial
Maryland
$3.18M
OAS
2017
Optivise Advisory Services
Tennessee
$3.17M
HFS
2018
Hughes Financial Services
Virginia
$3.16M
TCWM
2019
Total Clarity Wealth Management
Illinois
$3.16M
EBA
2020
Eagle Bay Advisors
New York
$3.15M
CSC
2021
Caldwell Sutter Capital
California
$3.15M
SRCM
2022
Signature Resources Capital Management
California
$3.15M
WSA
2023
Warm Springs Advisors
California
$3.14M
MKW
2024
Mullaney, Keating & Wright
Connecticut
$3.14M
SOS
2025
Silver Oak Securities
Tennessee
$3.14M