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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
MTUM icon
4051
iShares MSCI USA Momentum Factor ETF
MTUM
$23.6B
$311K ﹤0.01%
+2,287
New +$336K
ONDS icon
4052
CALL
Ondas Inc
ONDS
$3.87B
$311K ﹤0.01%
57,700
+11,800
+26% +$81.6K
PG icon
4053
Procter & Gamble
PG
$340B
$310K ﹤0.01%
2,160
-62,206
-97% -$9.35M
SPRU icon
4054
PUT
Spruce Power Holding Corp
SPRU
$36.6M
$310K ﹤0.01%
33,713
-20,787
-38% -$239K
STEM icon
4055
PUT
Stem
STEM
$44.3M
$310K ﹤0.01%
2,170
+540
+33% +$89.8K
XERS icon
4056
CALL
Xeris Biopharma Holdings
XERS
$1.45B
$310K ﹤0.01%
201,400
+78,600
+64% +$166K
FRSH icon
4057
Freshworks
FRSH
$3.21B
$309K ﹤0.01%
+23,564
New +$367K
ISPO
4058
CALL
DELISTED
Inspirato
ISPO
$309K ﹤0.01%
3,345
+295
+10% +$34K
TYD icon
4059
Direxion Daily 7-10 Year Treasury Bull 3X ETF
TYD
$31.9M
$309K ﹤0.01%
8,428
-2,231
-21% -$83.1K
ACC
4060
CALL
DELISTED
American Campus Communities, Inc.
ACC
$309K ﹤0.01%
4,800
+2,800
+140% +$177K
BFLY icon
4061
CALL
Butterfly Network
BFLY
$1.86B
$308K ﹤0.01%
100,500
-3,800
-4% -$13.1K
DSX icon
4062
CALL
Diana Shipping
DSX
$266M
$308K ﹤0.01%
81,106
+45,755
+129% +$193K
GDOT icon
4063
PUT
Green Dot
GDOT
$750M
$308K ﹤0.01%
12,300
-7,100
-37% -$192K
XYLD icon
4064
Global X S&P 500 Covered Call ETF
XYLD
$3.19B
$308K ﹤0.01%
+7,227
New +$331K
ITCI
4065
PUT
DELISTED
Intra-Cellular Therapies Inc.
ITCI
$308K ﹤0.01%
5,400
-8,000
-60% -$454K
FUV
4066
PUT
DELISTED
Arcimoto, Inc. Common Stock
FUV
$308K ﹤0.01%
4,715
+10
+0.2% +$793
CIM
4067
CALL
Chimera Investment
CIM
$1.06B
$307K ﹤0.01%
11,633
-3,034
-21% -$90K
ITUB icon
4068
PUT
Itaú Unibanco
ITUB
$89.8B
$307K ﹤0.01%
84,182
-321,545
-79% -$1.43M
UP icon
4069
CALL
Wheels Up
UP
$203M
$307K ﹤0.01%
788
-101
-11% -$54K
BKI
4070
CALL
DELISTED
Black Knight, Inc. Common Stock
BKI
$307K ﹤0.01%
4,700
-12,500
-73% -$841K
KNBE
4071
PUT
DELISTED
KnowBe4, Inc. Class A Common Stock
KNBE
$307K ﹤0.01%
19,700
+19,600
+19,600% +$383K
IVZ icon
4072
CALL
Invesco
IVZ
$12.4B
$306K ﹤0.01%
19,000
-3,200
-14% -$60.5K
LICY
4073
PUT
DELISTED
Li-Cycle Holdings Corp.
LICY
$306K ﹤0.01%
5,563
-29,350
-84% -$1.72M
HIMS icon
4074
Hims & Hers Health
HIMS
$5.79B
$305K ﹤0.01%
67,403
+14,561
+28% +$62.1K
JELD icon
4075
JELD-WEN Holding
JELD
$110M
$305K ﹤0.01%
+20,953
New +$381K

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.