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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
WG
3051
Wellington Group
Indiana
$673K
MCM
3052
Mattern Capital Management
Colorado
$673K
HAIM
3053
Hunter Associates Investment Management
Pennsylvania
$671K
AIS
3054
American Investment Services
Massachusetts
$669K
VWA
3055
VSM Wealth Advisory
Maryland
$668K
HCM
3056
HMS Capital Management
Tennessee
$668K
TBT
3057
Texas Bank & Trust
Texas
$668K
T
3058
Tidemark
California
$667K
CFCI
3059
Comprehensive Financial Consultants Institutional
Indiana
$667K
LK
3060
Lumbard & Kellner
New Hampshire
$666K
TC
3061
TownSquare Capital
Utah
$666K
WP
3062
Wealthspan Partners
Iowa
$666K
SWM
3063
SpringVest Wealth Management
Texas
$665K
SL
3064
StoryOne LLC
Kansas
$661K
CFG
3065
Clayton Financial Group
Missouri
$660K
WA
3066
Walsh & Associates
Florida
$659K
KWM
3067
Koa Wealth Management
California
$658K
OPW
3068
Osprey Private Wealth
New York
$657K
JWM
3069
Jacksonville Wealth Management
Florida
$657K
FNT
3070
First Nebraska Trust
Nebraska
$656K
BI
3071
Beckerman Institutional
New Jersey
$656K
SWM
3072
Seaside Wealth Management
California
$656K
TC
3073
Tannin Capital
North Carolina
$654K
GC
3074
Garde Capital
Washington
$653K
SI
3075
Stonekeep Investments
New Mexico
$652K