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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
PI
1726
Pachira Investments
California
$5.09M
QPWM
1727
Quadrant Private Wealth Management
Pennsylvania
$5.09M
SFG
1728
Sage Financial Group
Pennsylvania
$5.09M
STA
1729
Smith Thornton Advisors
Alabama
$5.09M
HH
1730
Hilltop Holdings
Texas
$5.08M
UOTTAIMCU
1731
University of Texas/Texas AM Investment Management Co (UTIMCO)
Texas
$5.07M
SHF
1732
Stage Harbor Financial
Massachusetts
$5.07M
MCM
1733
Mitchell Capital Management
Kansas
$5.05M
SOAM
1734
SBI Okasan Asset Management
Japan
$5.05M
AA
1735
Alpha Advisors
Virginia
$5.05M
WIC
1736
Woodmont Investment Counsel
Tennessee
$5.05M
FP
1737
Financial Perspectives
Minnesota
$5.02M
SSCM
1738
Spectrum Strategic Capital Management
Oregon
$5M
RF
1739
Rossby Financial
Florida
$4.99M
MIM
1740
Macroview Investment Management
Maryland
$4.98M
AA
1741
Auxano Advisors
Washington
$4.98M
AA
1742
Aufman Associates
Pennsylvania
$4.98M
Q1WB
1743
Quest 10 Wealth Builders
Virginia
$4.98M
ACM
1744
Armbruster Capital Management
New York
$4.97M
AFA
1745
AA Financial Advisors
Ohio
$4.96M
WEG
1746
World Equity Group
Illinois
$4.93M
RG
1747
Rathbones Group
United Kingdom
$4.92M
SWM
1748
SHP Wealth Management
Massachusetts
$4.92M
AIP
1749
Avail Investment Partners
Pennsylvania
$4.91M
KIM
1750
Kestra Investment Management
Texas
$4.9M