DOSSIER · 13F Holders · Q1 2026

SPDR S&P 500 ETF TR

34 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 78462F903·34 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$95.8B
visible holders
Holders
34
filers reporting
Concentration
46.35%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q1 2026

34 institutions reported SPDR S&P 500 ETF TR in Q1 2026. Optiver Holding B.V. leads at 46.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$44.4B68.3M15.34%Q1 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$21.3B32.8M7.66%Q1 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$14.1B21.7M9.44%Q1 2026
04
AKUNA SECURITIES LLC
CIK 0001529090
$11.6B17.8M26.23%Q1 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$2.9B4.6M0.19%Q1 2026
06
Marathon Trading Investment Management LLC
CIK 0001572748
$284M437K7.76%Q1 2026
07
Skye Global Management LP
CIK 0001675884
$259M399K5.18%Q1 2026
08
Bracebridge Capital, LLC
CIK 0001426486
$228M4K6.10%Q1 2026
09
Pine Ridge Advisers LLC
CIK 0001845915
$215M331K13.25%Q1 2026
10
Maven Securities LTD
CIK 0001633046
$189M291K3.63%Q1 2026
11
CenterStar Asset Management, LLC
CIK 0001722053
$120M184K15.01%Q1 2026
12
Bollard Group LLC
CIK 0001556218
$119M1.1M3.49%Q1 2026
13
CMT Capital Markets Trading GmbH
CIK 0001632813
$19M30K0.20%Q1 2026
14
WATER ISLAND CAPITAL LLC
CIK 0001222765
$17M25K1.84%Q4 2025
15
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$16M1K1.54%Q1 2026
16
SG Americas Securities, LLC
CIK 0001313360
$15M509K0.02%Q1 2026
17
Alpha Wealth Funds, LLC
CIK 0002059327
$9M6975.75%Q1 2026
18
Swan Global Investments, LLC
CIK 0001591505
$8M1.0M0.25%Q1 2026
19
Global Assets Advisory, LLC
CIK 0001942932
$7M7.2M2.06%Q1 2026
20
Farther Finance Advisors, LLC
CIK 0001992825
$6M8K0.05%Q2 2026
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