DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield

SPDR S&P 500 ETF TR

65 institutions still hold SPDR S&P 500 ETF TR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 78462F953·65 13F holders·last filed Mar 31, 2026
Market cap
9.8%
vs prior quarter
13F value held
$173.9B
56.0% inst. owned
of float
Holders
65
+71 QoQ
filers reporting
Activity
+64 / −11
+746 added · −833 reduced
this quarter
Concentration
34.93%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q1 2026

65 institutions reported SPDR S&P 500 ETF TR in Q1 2026. Optiver Holding B.V. leads at 34.9% of the visible book. +71 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$60.7B93.4M20.98%Q1 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$27.9B42.8M10.01%Q1 2026
03
1832 Asset Management L.P.
CIK 0000944388
$27.6B42.5M25.41%Q1 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$27.4B42.1M18.39%Q1 2026
05
AKUNA SECURITIES LLC
CIK 0001529090
$13.6B20.9M30.84%Q1 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$11.9B18.9M0.77%Q1 2026
07
FARALLON CAPITAL MANAGEMENT LLC
CIK 0000909661
$1.5B2.3M8.53%Q1 2026
08
Swan Global Investments, LLC
CIK 0001591505
$1.1B1.8M36.97%Q1 2026
09
Marathon Trading Investment Management LLC
CIK 0001572748
$358M550K9.76%Q1 2026
10
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$316M500K10.24%Q1 2026
11
Maven Securities LTD
CIK 0001633046
$227M349K4.36%Q1 2026
12
Fortis Capital Management LLC
CIK 0001802167
$226M348K23.17%Q1 2026
13
Warberg Asset Management LLC
CIK 0001597506
$202M310K33.62%Q1 2026
14
Troluce Capital Advisors LLC
CIK 0001910321
$163M250K9.97%Q1 2026
15
Vision Capital Corp
CIK 0001764403
$152M234K38.21%Q1 2026
16
Truffle Hound Capital, LLC
CIK 0001595862
$130M200K33.70%Q1 2026
17
RIPOSTE CAPITAL LLC
CIK 0001672355
$108M150K27.47%Q1 2026
18
Aristides Capital LLC
CIK 0001595521
$74M113K15.92%Q1 2026
19
SPROTT INC.
CIK 0001512920
$71M109K2.07%Q1 2026
20
Cruiser Capital Advisors, LLC
CIK 0001713506
$61M1K23.71%Q1 2026
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