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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
W
3901
WealthCollab
Washington
$15.7K
DFC
3902
DB Fitzpatrick & Co
Idaho
$15.7K
MCA
3903
McGuire Capital Advisors
Oklahoma
$15K
LAMC
3904
Longview Asset Management (California)
California
$14.4K
OCM
3905
Osbon Capital Management
Massachusetts
$14.4K
AAG
3906
Accordant Advisory Group
Maryland
$14.4K
API
3907
Asset Planning Inc
California
$14.3K
IAAG
3908
Innovative Asset Advisors Group
Connecticut
$12.4K
IW
3909
Imprint Wealth
South Carolina
$10.5K
NWS
3910
Nvest Wealth Strategies
Ohio
$9.14K
WAG
3911
Wilkerson Advisory Group
Missouri
$9.14K
WPWM
3912
Western Pacific Wealth Management
Illinois
$8.82K
FMTCOCP
3913
Farmers & Merchants Trust Co of Chambersburg PA
Pennsylvania
$7K
VFM
3914
Vision Financial Markets
Connecticut
$6.63K
WFA
3915
West Financial Advisors
Iowa
$6.53K
KWM
3916
Kiker Wealth Management
Georgia
$5.23K
SAS
3917
Spurstone Advisory Services
Connecticut
$3.92K
LA
3918
LM Advisors
California
$2.74K
BCWM
3919
Ball & Co Wealth Management
Tennessee
$2K
DRP
3920
Decker Retirement Planning
Utah
$1.32K
CCC
3921
Chelsea Counsel Company
California
$685
BCM
3922
BlueCrest Capital Management
Jersey
JG
3923
Jain Global
New York
Balyasny Asset Management
3924
Balyasny Asset Management
Illinois
WP
3925
Woodline Partners
California