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iShares Core S&P 500 ETF

3,918 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, 1,741 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
3,918
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
WPW
976
Waldron Private Wealth
Pennsylvania
$21.7M
WA
977
WBH Advisory
Maryland
$21.6M
WS
978
Wedbush Securities
California
$21.6M
I2I
979
Insight 2811 Inc
Illinois
$21.6M
RCG
980
Rock Creek Group
District of Columbia
$21.6M
CPC
981
Congress Park Capital
New York
$21.5M
HAS
982
Holland Advisory Services
Florida
$21.5M
GVAG
983
Great Valley Advisor Group
Delaware
$21.5M
WF
984
Williams Financial
Vermont
$21.5M
CCG
985
Cypress Capital Group
Florida
$21.5M
CLOS
986
Compagnie Lombard Odier SCmA
Switzerland
$21.4M
SAM
987
Sherman Asset Management
California
$21.4M
JRSI
988
Jeter Robert S II
$21.4M
I
989
INVST
Indiana
$21.3M
SAS
990
Sage Advisory Services
Texas
$21.3M
SMI
991
Shelter Mutual Insurance
Missouri
$21.2M
CFFNO
992
Common Fund For Nonprofit Organizations
Connecticut
$21.1M
PFG
993
Pacific Financial Group
Washington
$21M
EWA
994
EverSource Wealth Advisors
Alabama
$21M
AC
995
Avestar Capital
New York
$20.9M
AL
996
ADE LLC
Maryland
$20.9M
SAM
997
Summit Asset Management
Tennessee
$20.8M
NL
998
NWAM LLC
Washington
$20.8M
HWM
999
Hemming & Wealth Management
Michigan
$20.8M
KG
1000
Kilter Group
New York
$20.7M