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iShares Core S&P 500 ETF

3,960 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 167 funds opening new positions, 1,762 increasing their positions, 1,512 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: 1,2731,243 (-30)

6% less capital invested

Capital invested by funds: $587B → $552B (-$35B)

14% less call options, than puts

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

Holders
3,960
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1,243
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
EB
326
Eastern Bank
Massachusetts
$133M
PIMJS
327
PKO Investment Management Joint-Stock
Poland
$132M
GS
328
GTS Securities
New York
$132M
ETS
329
ESL Trust Services
New York
$132M
RWM
330
Rezny Wealth Management
Florida
$132M
CFP
331
Catalyst Financial Partners
Massachusetts
$131M
CFO
332
Callan Family Office
Pennsylvania
$131M
AIA
333
Alternative Investment Advisors
Florida
$131M
SAM
334
Securian Asset Management
Minnesota
$130M
Mackenzie Financial
335
Mackenzie Financial
Ontario, Canada
$130M
PFA
336
Pure Financial Advisors
California
$128M
Tudor Investment Corp
337
Tudor Investment Corp
Connecticut
$127M
BCM
338
Brookstone Capital Management
Illinois
$126M
CWAF
339
Core Wealth Advisors (Florida)
Florida
$125M
ACM
340
Advisors Capital Management
New Jersey
$124M
CAM
341
Chandler Asset Management
California
$123M
JWM
342
JGP Wealth Management
Oregon
$123M
WAG
343
Winthrop Advisory Group
Massachusetts
$123M
IC
344
IEQ Capital
California
$123M
SYBT
345
Stock Yards Bank & Trust
Kentucky
$122M
BP
346
BBR Partners
New York
$122M
CAL
347
Capital Analysts LLC
Pennsylvania
$121M
FAC
348
Financial Advisory Corporation
Michigan
$120M
CIA
349
Capital Investment Advisors
Georgia
$120M
VFIC
350
Valley Forge Investment Consultants
Pennsylvania
$119M