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Simplex Trading

Simplex Trading Portfolio holdings

AUM $149B
1-Year Est. Return 62.07%
 

Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.

This Fund
S&P 500
This Quarter Est. Return
-17.92%
1 Year Est. Return
+62.07%
3 Year Est. Return
+116.86%
5 Year Est. Return
+116.02%
10 Year Est. Return
+774.44%
AUM
$94.1B
AUM Growth
-$15.3B
Cap. Flow
+$11.3B
Cap. Flow %
12.02%
Top 10 Hldgs %
40.12%
Holding
11,810
New
1,405
Increased
4,027
Reduced
4,289
Closed
1,792

Sector Composition

Rank Sector Weight
1 Technology 0.84%
2 Communication Services 0.32%
3 Consumer Discretionary 0.32%
4 Financials 0.28%
5 Healthcare 0.2%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BEPC icon
1526
PUT
Brookfield Renewable
BEPC
$6.12B
$2.91M ﹤0.01%
81,800
-900
-1% -$33.3K
HSBC icon
1527
HSBC
HSBC
$355B
$2.91M ﹤0.01%
89,122
+77,392
+660% +$2.51M
CNK icon
1528
PUT
Cinemark Holdings
CNK
$3.82B
$2.91M ﹤0.01%
193,800
+17,400
+10% +$276K
HIMX
1529
PUT
Himax Technologies
HIMX
$2.2B
$2.91M ﹤0.01%
389,000
+71,500
+23% +$658K
CALY
1530
CALL
Callaway Golf Company
CALY
$3.26B
$2.91M ﹤0.01%
142,600
+27,800
+24% +$598K
RLMD icon
1531
CALL
Relmada Therapeutics
RLMD
$544M
$2.9M ﹤0.01%
153,000
+82,300
+116% +$1.8M
BUD icon
1532
PUT
AB InBev
BUD
$158B
$2.9M ﹤0.01%
53,800
+8,900
+20% +$500K
PBR icon
1533
Petrobras
PBR
$121B
$2.9M ﹤0.01%
+247,894
New +$3.43M
AVB icon
1534
PUT
AvalonBay Communities
AVB
$27.1B
$2.89M ﹤0.01%
14,900
-10,800
-42% -$2.34M
HZNP
1535
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
$2.89M ﹤0.01%
+36,280
New +$3.44M
GT icon
1536
CALL
Goodyear
GT
$2.07B
$2.89M ﹤0.01%
269,800
-307,300
-53% -$3.85M
FTS icon
1537
CALL
Fortis
FTS
$30B
$2.88M ﹤0.01%
61,000
+36,200
+146% +$1.78M
MFC icon
1538
CALL
Manulife Financial
MFC
$72.6B
$2.88M ﹤0.01%
166,200
+137,100
+471% +$2.59M
HUN icon
1539
CALL
Huntsman Corp
HUN
$2.24B
$2.88M ﹤0.01%
101,500
-70,900
-41% -$2.39M
PSA icon
1540
PUT
Public Storage
PSA
$60.2B
$2.88M ﹤0.01%
9,200
-12,200
-57% -$4.22M
VOYA icon
1541
PUT
Voya Financial
VOYA
$8.94B
$2.88M ﹤0.01%
48,300
+41,600
+621% +$2.68M
CRK icon
1542
CALL
Comstock Resources
CRK
$3.97B
$2.87M ﹤0.01%
237,600
+14,100
+6% +$233K
ODFL icon
1543
PUT
Old Dominion Freight Line
ODFL
$48.5B
$2.87M ﹤0.01%
22,400
-800
-3% -$105K
AU icon
1544
CALL
AngloGold Ashanti
AU
$40.3B
$2.87M ﹤0.01%
194,000
-167,000
-46% -$3.17M
AUY
1545
PUT
DELISTED
Yamana Gold, Inc.
AUY
$2.87M ﹤0.01%
616,700
+6,000
+1% +$32.5K
GRPN icon
1546
CALL
Groupon
GRPN
$980M
$2.87M ﹤0.01%
253,600
+170,100
+204% +$2.79M
AGNC icon
1547
PUT
AGNC Investment
AGNC
$12.3B
$2.86M ﹤0.01%
258,800
-287,700
-53% -$3.41M
ALGN icon
1548
Align Technology
ALGN
$12B
$2.86M ﹤0.01%
12,096
+9,558
+377% +$2.94M
VTLE
1549
CALL
DELISTED
Vital Energy
VTLE
$2.86M ﹤0.01%
41,500
+13,100
+46% +$1.05M
LNTH icon
1550
CALL
Lantheus
LNTH
$6.82B
$2.86M ﹤0.01%
43,300
+4,900
+13% +$309K

Similar funds

Simplex Trading's Q2 2022 Portfolio in Review

As of Q2 2022, Simplex Trading held 11,810 positions worth $94.1B, down 14% from $109B the previous quarter. Its ten largest holdings account for 40% of the portfolio.

Simplex Trading deployed $11.3B of net new capital in Q2 2022, opening 1,405 new positions and adding to 4,027 existing holdings. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M.

By sector, the portfolio is most concentrated in Technology at 0.84% of assets, up from 0.67% a quarter earlier, followed by Communication Services and Consumer Discretionary.

On the sell side, the largest reduction was United Airlines, an estimated $22.7M trimmed.

  • Simplex Trading's largest Q2 2022 buy was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
  • Simplex Trading added most to Apple in Q2 2022, an estimated $286M increase.
  • Simplex Trading's biggest Q2 2022 reduction was United Airlines, cutting an estimated $22.7M.
  • Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2022, selling an estimated $51.5M.
  • Simplex Trading's ten largest holdings make up 40% of its $94.1B portfolio in Q2 2022.
  • Simplex Trading opened 1,405 new positions and closed 1,792 in Q2 2022.
  • Simplex Trading's portfolio value fell 14% quarter-over-quarter to $94.1B.

Based on Simplex Trading's 13F filing for Q2 2022, filed 3 Aug 2022.