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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
CGC
1801
PUT
Canopy Growth
CGC
$375M
$2.13M ﹤0.01%
74,860
+45,150
+152% +$2.35M
PAA icon
1802
PUT
Plains All American Pipeline
PAA
$17.4B
$2.13M ﹤0.01%
217,200
-5,600
-3% -$60.7K
ACB
1803
CALL
Aurora Cannabis
ACB
$165M
$2.13M ﹤0.01%
161,420
+95,570
+145% +$2.39M
SKT icon
1804
CALL
Tanger
SKT
$4.82B
$2.13M ﹤0.01%
149,600
+10,300
+7% +$171K
UNFI icon
1805
United Natural Foods
UNFI
$3.01B
$2.12M ﹤0.01%
53,890
-17,311
-24% -$727K
CNQ icon
1806
Canadian Natural Resources
CNQ
$96.9B
$2.12M ﹤0.01%
+80,700
New +$2.45M
MTZ icon
1807
CALL
MasTec
MTZ
$26.7B
$2.12M ﹤0.01%
29,600
+27,000
+1,038% +$2.1M
LSPD icon
1808
CALL
Lightspeed Commerce
LSPD
$1.3B
$2.12M ﹤0.01%
95,100
+58,800
+162% +$1.38M
LMND icon
1809
PUT
Lemonade
LMND
$4.62B
$2.11M ﹤0.01%
115,600
-113,300
-49% -$2.39M
MDY icon
1810
CALL
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27B
$2.11M ﹤0.01%
5,100
+2,700
+113% +$1.22M
DRIP icon
1811
Direxion Daily S&P Oil & Gas Exp. & Prod. Bear 2X ETF
DRIP
$103M
$2.1M ﹤0.01%
8,506
+7,326
+621% +$1.52M
YUM icon
1812
CALL
Yum! Brands
YUM
$41B
$2.1M ﹤0.01%
18,500
-16,300
-47% -$1.89M
YUM icon
1813
PUT
Yum! Brands
YUM
$41B
$2.1M ﹤0.01%
18,500
+2,600
+16% +$302K
CYTK icon
1814
CALL
Cytokinetics
CYTK
$11B
$2.1M ﹤0.01%
53,400
+31,000
+138% +$1.25M
SSB icon
1815
PUT
SouthState Bank Corp
SSB
$10.3B
$2.1M ﹤0.01%
27,200
+10,500
+63% +$818K
XM
1816
CALL
DELISTED
Qualtrics International Inc. Class A Common Stock
XM
$2.1M ﹤0.01%
167,600
+82,900
+98% +$1.48M
BZ icon
1817
Kanzhun
BZ
$6.89B
$2.09M ﹤0.01%
+79,659
New +$1.77M
CPNG icon
1818
PUT
Coupang
CPNG
$27.8B
$2.09M ﹤0.01%
164,200
-114,800
-41% -$1.57M
NVS icon
1819
Novartis
NVS
$295B
$2.09M ﹤0.01%
24,765
-37,194
-60% -$3.26M
NOVA
1820
DELISTED
Sunnova Energy
NOVA
$2.09M ﹤0.01%
113,450
+109,218
+2,581% +$2.09M
KBH icon
1821
KB Home
KBH
$3.48B
$2.09M ﹤0.01%
73,333
+54,865
+297% +$1.75M
LPLA icon
1822
PUT
LPL Financial
LPLA
$26.3B
$2.08M ﹤0.01%
11,300
+1,800
+19% +$342K
EQNR icon
1823
PUT
Equinor
EQNR
$95.9B
$2.08M ﹤0.01%
59,900
-39,300
-40% -$1.4M
SHW icon
1824
PUT
Sherwin-Williams
SHW
$78.3B
$2.08M ﹤0.01%
9,300
+400
+4% +$103K
SWAV
1825
DELISTED
Shockwave Medical, Inc. Common Stock
SWAV
$2.08M ﹤0.01%
+10,878
New +$1.92M

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.