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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
Belvedere Trading
3351
Belvedere Trading
Illinois
$431K
FA
3352
Fagan Associates
New York
$431K
NG
3353
NWK Group
California
$430K
WFA
3354
WJ Financial Advisors
Connecticut
$430K
AIA
3355
Acute Investment Advisory
Arizona
$430K
SCM
3356
Soros Capital Management
New York
$428K
KMC
3357
Kirr Marbach & Co
Indiana
$427K
AW
3358
Alchemi Wealth
Connecticut
$427K
APW
3359
Aurora Private Wealth
New Jersey
$427K
OCWP
3360
Owl Creek Wealth Partners
Colorado
$427K
WG
3361
Watchman Group
Texas
$427K
HWM
3362
Hassell Wealth Management
Louisiana
$426K
PFG
3363
Pinnacle Financial Group
Illinois
$425K
ACM
3364
Andina Capital Management
Utah
$425K
OFP
3365
OLIO Financial Planning
Virginia
$424K
NC
3366
NewSquare Capital
Pennsylvania
$424K
SF
3367
Strategent Financial
Virginia
$423K
OWG
3368
Oxford Wealth Group
Florida
$423K
FA
3369
Fullerton Advisors
California
$423K
HA
3370
Hegarty Advisors
New York
$423K
BBES
3371
Buffalo Business & Estate Services
New York
$421K
GDP
3372
Great Diamond Partners
Maine
$419K
PWM
3373
Prentice Wealth Management
New York
$418K
PC
3374
Permanens Capital
New York
$417K
BCA
3375
Ballentine Capital Advisors
South Carolina
$417K