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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
HWM icon
5076
CALL
Howmet Aerospace
HWM
$113B
$141K ﹤0.01%
4,500
+1,600
+55% +$54.8K
KFRC icon
5077
CALL
Kforce
KFRC
$1.02B
$141K ﹤0.01%
2,300
+2,100
+1,050% +$143K
PMVP icon
5078
CALL
PMV Pharmaceuticals
PMVP
$59.2M
$141K ﹤0.01%
9,900
+1,600
+19% +$23.3K
SAND
5079
PUT
DELISTED
Sandstorm Gold
SAND
$141K ﹤0.01%
23,800
-1,700
-7% -$12.1K
SR icon
5080
CALL
Spire
SR
$4.72B
$141K ﹤0.01%
1,900
-900
-32% -$67.7K
SCU
5081
PUT
DELISTED
Sculptor Capital Management, Inc. Class A Common Stock
SCU
$141K ﹤0.01%
17,000
+7,400
+77% +$81.6K
REV
5082
DELISTED
Revlon, Inc.
REV
$141K ﹤0.01%
26,086
+13,299
+104% +$73K
BLKB icon
5083
Blackbaud
BLKB
$1.94B
$140K ﹤0.01%
+2,418
New +$140K
CVI icon
5084
PUT
CVR Energy
CVI
$3.58B
$140K ﹤0.01%
4,200
+4,000
+2,000% +$128K
HUYA
5085
PUT
Huya Inc
HUYA
$563M
$140K ﹤0.01%
36,100
-21,500
-37% -$89.8K
TRUE
5086
CALL
DELISTED
TrueCar
TRUE
$140K ﹤0.01%
54,300
+53,600
+7,657% +$178K
FAZE
5087
CALL
DELISTED
FaZe Holdings Inc. Common Stock
FAZE
$140K ﹤0.01%
241,400
+161,200
+201% +$1.59M
SRNE
5088
PUT
DELISTED
Sorrento Therapeutics, Inc.
SRNE
$140K ﹤0.01%
69,800
+7,500
+12% +$13K
EGLE
5089
PUT
DELISTED
Eagle Bulk Shipping Inc.
EGLE
$140K ﹤0.01%
2,700
-600
-18% -$38.4K
AMPL icon
5090
Amplitude
AMPL
$1.18B
$139K ﹤0.01%
9,790
-13,476
-58% -$236K
DTE icon
5091
CALL
DTE Energy
DTE
$29.5B
$139K ﹤0.01%
1,100
-2,100
-66% -$274K
OPI
5092
PUT
DELISTED
Office Properties Income Trust
OPI
$139K ﹤0.01%
7,000
+5,400
+338% +$117K
PAGS icon
5093
PagSeguro Digital
PAGS
$2.69B
$139K ﹤0.01%
13,624
+7,432
+120% +$107K
PK icon
5094
PUT
Park Hotels & Resorts
PK
$3.03B
$139K ﹤0.01%
10,300
-20,000
-66% -$353K
PYPD icon
5095
PolyPid
PYPD
$82.3M
$139K ﹤0.01%
1,005
+357
+55% +$53.4K
WWW icon
5096
PUT
Wolverine World Wide
WWW
$1.61B
$139K ﹤0.01%
6,900
+5,800
+527% +$120K
CHIX
5097
DELISTED
Global X MSCI China Financials ETF
CHIX
$139K ﹤0.01%
10,251
+9,868
+2,577% +$129K
ALT icon
5098
PUT
Altimmune
ALT
$552M
$138K ﹤0.01%
11,800
+9,000
+321% +$55.5K
ASTS icon
5099
PUT
AST SpaceMobile
ASTS
$17.6B
$138K ﹤0.01%
22,100
-36,400
-62% -$285K
AYI icon
5100
PUT
Acuity Brands
AYI
$9.83B
$138K ﹤0.01%
900
+800
+800% +$136K

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.