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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
-4.71%
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
$109B
AUM Growth
+$10.3B
Cap. Flow
+$17.5B
Cap. Flow %
16%
Top 10 Hldgs %
37.15%
Holding
12,038
New
1,603
Increased
4,441
Reduced
4,088
Closed
1,637

Sector Composition

Rank Sector Weight
1 Technology 0.67%
2 Consumer Discretionary 0.37%
3 Industrials 0.24%
4 Healthcare 0.22%
5 Financials 0.19%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
DOCU
126
PUT
DocuSign
DOCU
$9.69B
$117M 0.11%
1,096,500
+623,300
+132% +$71.5M
EWA icon
127
CALL
iShares MSCI Australia ETF
EWA
$1.34B
$117M 0.11%
3,171,700
+376,400
+13% +$9.19M
MS icon
128
CALL
Morgan Stanley
MS
$340B
$116M 0.11%
1,327,700
+444,800
+50% +$42.9M
UBER icon
129
CALL
Uber
UBER
$146B
$116M 0.11%
3,246,200
-688,700
-18% -$24.8M
SBUX icon
130
CALL
Starbucks
SBUX
$119B
$114M 0.1%
1,249,100
+824,500
+194% +$77.8M
SNOW icon
131
CALL
Snowflake
SNOW
$94.2B
$113M 0.1%
492,900
+236,300
+92% +$61.1M
TGT icon
132
CALL
Target
TGT
$63.4B
$112M 0.1%
529,200
+73,800
+16% +$16M
PG icon
133
CALL
Procter & Gamble
PG
$345B
$111M 0.1%
728,500
+98,300
+16% +$15.4M
COIN icon
134
PUT
Coinbase
COIN
$46.3B
$111M 0.1%
584,700
-45,400
-7% -$8.87M
ABBV icon
135
PUT
AbbVie
ABBV
$452B
$111M 0.1%
682,700
-33,200
-5% -$4.82M
UBER icon
136
PUT
Uber
UBER
$146B
$110M 0.1%
3,088,000
+690,500
+29% +$24.8M
LOW icon
137
PUT
Lowe's Companies
LOW
$114B
$109M 0.1%
539,400
+99,000
+22% +$22.8M
CSCO icon
138
CALL
Cisco
CSCO
$442B
$109M 0.1%
1,955,300
-933,200
-32% -$52.8M
WFC icon
139
CALL
Wells Fargo
WFC
$266B
$108M 0.1%
2,234,800
+175,500
+9% +$9.39M
UPST icon
140
PUT
Upstart Holdings
UPST
$2.8B
$107M 0.1%
985,000
+658,100
+201% +$75.8M
VZ icon
141
CALL
Verizon
VZ
$183B
$107M 0.1%
2,103,100
+710,800
+51% +$37.7M
HD icon
142
PUT
Home Depot
HD
$331B
$106M 0.1%
352,600
-199,800
-36% -$69.3M
PG icon
143
PUT
Procter & Gamble
PG
$345B
$105M 0.1%
688,900
-253,400
-27% -$39.6M
FDX icon
144
PUT
FedEx
FDX
$73.1B
$105M 0.1%
454,200
-14,700
-3% -$3.45M
SBUX icon
145
PUT
Starbucks
SBUX
$119B
$103M 0.09%
1,131,500
-70,700
-6% -$6.67M
ROKU icon
146
PUT
Roku
ROKU
$21.4B
$103M 0.09%
820,900
+331,300
+68% +$48.6M
CAT icon
147
CALL
Caterpillar
CAT
$410B
$102M 0.09%
459,100
+140,900
+44% +$29.6M
NOW icon
148
PUT
ServiceNow
NOW
$105B
$101M 0.09%
907,500
+189,000
+26% +$21.2M
X
149
CALL
DELISTED
US Steel
X
$101M 0.09%
2,671,400
+781,900
+41% +$21.2M
KO icon
150
CALL
Coca-Cola
KO
$353B
$100M 0.09%
1,617,400
-25,800
-2% -$1.57M

Similar funds

Simplex Trading's Q1 2022 Portfolio in Review

As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.

Simplex Trading deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.

By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.

On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.

  • Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
  • Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
  • Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
  • Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
  • Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
  • Simplex Trading opened 1,603 new positions and closed 1,637 in Q1 2022.
  • Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.

Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.