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iShares Core S&P 500 ETF

3,967 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, 1,766 increasing their positions, 1,514 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 (-$34.8B)

14% less call options, than puts

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

Holders
3,967
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
AQR Capital Management
176
AQR Capital Management
Connecticut
$342M
BFG
177
Bleakley Financial Group
New Jersey
$341M
AIA
178
Ally Invest Advisors
North Carolina
$334M
AHSSHC
179
Adventist Health System Sunbelt Healthcare Corp
Florida
$333M
HHGA
180
Halbert Hargrove Global Advisors
California
$328M
FTWA
181
Fifth Third Wealth Advisors
Ohio
$325M
William Blair & Company
182
William Blair & Company
Illinois
$317M
COCM
183
Charter Oak Capital Management
New Hampshire
$317M
SA
184
Sanctuary Advisors
Indiana
$314M
NB
185
Norinchukin Bank
Japan
$312M
TIA
186
Traphagen Investment Advisors
New Jersey
$311M
CB
187
Commerce Bank
Missouri
$306M
PCIA
188
Prime Capital Investment Advisors
Kansas
$305M
NRI
189
NFP Retirement Inc
California
$303M
CBU
190
CIBC Bancorp USA
Illinois
$300M
RAM
191
Robinhood Asset Management
California
$297M
HCC
192
Hirtle Callaghan & Co
Pennsylvania
$295M
CFG
193
Citizens Financial Group
Rhode Island
$293M
PCG
194
Prosperity Consulting Group
Maryland
$289M
CA
195
Clearstead Advisors
Ohio
$286M
GAM
196
Gotham Asset Management
New York
$284M
CAG
197
Crestwood Advisors Group
Massachusetts
$284M
Allspring Global Investments
198
Allspring Global Investments
North Carolina
$284M
BCI
199
Brinker Capital Investments
Pennsylvania
$284M
SLF
200
Sun Life Financial
Ontario, Canada
$282M