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iShares Core S&P 500 ETF

3,914 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, 1,498 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
3,914
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
LFG
276
Leverty Financial Group
Wisconsin
$168M
SF
277
Summit Financial
New Jersey
$167M
AUB
278
Atlantic Union Bankshares
Virginia
$167M
QCG
279
Quadrant Capital Group
Ohio
$165M
MMA
280
Mizuho Markets Americas
New York
$163M
MLIC
281
Mandatum Life Insurance Company
Finland
$161M
AI
282
Atria Investments
North Carolina
$161M
MWM
283
Modera Wealth Management
New Jersey
$159M
MFIM
284
Mesirow Financial Investment Management
Illinois
$159M
GC
285
Grimes & Company
Massachusetts
$159M
MA
286
Montag & Associates
Georgia
$158M
RCA
287
Resonant Capital Advisors
Wisconsin
$158M
JFA
288
JNBA Financial Advisors
Minnesota
$158M
Kovitz Investment Group Partners
289
Kovitz Investment Group Partners
Illinois
$157M
Sumitomo Mitsui Trust Group
290
Sumitomo Mitsui Trust Group
Japan
$157M
VFA
291
Valeo Financial Advisors
Indiana
$157M
IAA
292
Independent Advisor Alliance
North Carolina
$155M
SWM
293
Spire Wealth Management
Virginia
$154M
ASN
294
Advisory Services Network
Georgia
$152M
FSWA
295
Financial Synergies Wealth Advisors
Texas
$152M
BIM
296
Bridges Investment Management
Nebraska
$152M
BOH
297
Bank of Hawaii
Hawaii
$152M
FBB
298
Fulton Breakefield Broenniman
Maryland
$151M
OFS
299
Orrstown Financial Services
Pennsylvania
$150M
FIA
300
Foundations Investment Advisors
Arizona
$149M