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iShares Core S&P 500 ETF

3,913 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 165 funds opening new positions, 1,738 increasing their positions, 1,497 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:

3% less funds holding in top 10

Funds holding in top 10: 1,2681,235 (-33)

6% less capital invested

Capital invested by funds: $587B → $551B (-$35.6B)

14% less call options, than puts

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

Holders
3,913
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1,235
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
AIA
176
Ally Invest Advisors
North Carolina
$334M
AHSSHC
177
Adventist Health System Sunbelt Healthcare Corp
Florida
$333M
HHGA
178
Halbert Hargrove Global Advisors
California
$328M
FTWA
179
Fifth Third Wealth Advisors
Ohio
$325M
William Blair & Company
180
William Blair & Company
Illinois
$317M
COCM
181
Charter Oak Capital Management
New Hampshire
$317M
SA
182
Sanctuary Advisors
Indiana
$314M
NB
183
Norinchukin Bank
Japan
$312M
TIA
184
Traphagen Investment Advisors
New Jersey
$311M
CB
185
Commerce Bank
Missouri
$306M
PCIA
186
Prime Capital Investment Advisors
Kansas
$305M
NRI
187
NFP Retirement Inc
California
$303M
CBU
188
CIBC Bancorp USA
Illinois
$300M
RAM
189
Robinhood Asset Management
California
$297M
HCC
190
Hirtle Callaghan & Co
Pennsylvania
$295M
CFG
191
Citizens Financial Group
Rhode Island
$293M
PCG
192
Prosperity Consulting Group
Maryland
$289M
CA
193
Clearstead Advisors
Ohio
$286M
GAM
194
Gotham Asset Management
New York
$284M
CAG
195
Crestwood Advisors Group
Massachusetts
$284M
Allspring Global Investments
196
Allspring Global Investments
North Carolina
$284M
BCI
197
Brinker Capital Investments
Pennsylvania
$284M
SLF
198
Sun Life Financial
Ontario, Canada
$282M
FFA
199
Fragasso Financial Advisors
Pennsylvania
$282M
QCM
200
Quantinno Capital Management
New York
$281M