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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
MA
2251
MJP Associates
Connecticut
$2.17M
MAG
2252
Meadowbrook Advisors Group
New Jersey
$2.16M
CTC
2253
Corundum Trust Company
South Dakota
$2.16M
FMC
2254
First Merchants Corp
Indiana
$2.16M
RA
2255
Riversedge Advisors
Delaware
$2.15M
MAA
2256
Matrix Asset Advisors
New York
$2.15M
MCM
2257
Morton Capital Management
California
$2.15M
LWA
2258
Lantern Wealth Advisors
New York
$2.15M
SW
2259
SlateStone Wealth
Florida
$2.15M
EI
2260
Ellevest Inc
New York
$2.14M
LWANC
2261
Laurel Wealth Advisors (North Carolina)
North Carolina
$2.14M
BTW
2262
Boston Trust Walden
Massachusetts
$2.14M
SC
2263
Searle & Co
Connecticut
$2.14M
ISB
2264
Iowa State Bank
Iowa
$2.14M
VAF
2265
Values Added Financial
District of Columbia
$2.14M
TBA
2266
Tower Bridge Advisors
Pennsylvania
$2.13M
WWM
2267
WJ Wealth Management
Arizona
$2.13M
SI
2268
Seeds Investor
New York
$2.13M
BT
2269
Brandywine Trust
Delaware
$2.13M
JCM
2270
J2 Capital Management
Michigan
$2.12M
CI
2271
Ceera Investments
Texas
$2.12M
HCM
2272
Howland Capital Management
Massachusetts
$2.12M
6F
2273
626 Financial
Michigan
$2.11M
2WWM
2274
21 West Wealth Management
California
$2.11M
BEW
2275
Burton Enright Welch
California
$2.11M