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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

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$286M
2
VOO icon
Vanguard S&P 500 ETF
VOO
+$82.3M
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$72.6M
4
GOOG icon
Alphabet (Google) Class C
GOOG
+$64.2M
5
INTC icon
Intel
INTC
+$52.9M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$51.5M
2
SLV icon
iShares Silver Trust
SLV
+$41.8M
3
F icon
Ford
F
+$26.3M
4
UAL icon
United Airlines
UAL
+$22.7M
5
XOM icon
ExxonMobil
XOM
+$22.3M

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
EPD icon
10201
Enterprise Products Partners
EPD
$83.8B
– –
-26,656
Closed -$701K
EQ icon
10202
CALL
Equillium
EQ
$157M
– –
-6,800
Closed -$21K
EQH icon
10203
Equitable Holdings
EQH
$13.1B
– –
-525
Closed -$15.2K
EQIX icon
10204
Equinix
EQIX
$107B
– –
-376
Closed -$260K
EQWL icon
10205
Invesco S&P 100 Equal Weight ETF
EQWL
$2.69B
– –
-94
Closed -$7K
ESAB icon
10206
ESAB
ESAB
$5.25B
$0 ﹤0.01%
+4
New +$193
ESE icon
10207
CALL
ESCO Technologies
ESE
$8.49B
– –
-600
Closed -$41K
ESGR
10208
CALL
DELISTED
Enstar Group
ESGR
– –
-500
Closed -$130K
ESI icon
10209
Element Solutions
ESI
$9.12B
– –
-30,144
Closed -$612K
ESPO icon
10210
VanEck Video Gaming and eSports ETF
ESPO
$235M
$0 ﹤0.01%
+19
New +$976
ET icon
10211
Energy Transfer Partners
ET
$70.1B
– –
-570,707
Closed -$6.39M
ETN icon
10212
Eaton
ETN
$157B
– –
-6,707
Closed -$938K
ETR icon
10213
Entergy
ETR
$54.1B
– –
-6,298
Closed -$370K
ETSY icon
10214
Etsy
ETSY
$7.65B
– –
-919
Closed -$83.9K
EVAX
10215
Evaxion A/S
EVAX
$24.7M
– –
-1
Closed -$114
EVC icon
10216
PUT
Entravision Communication
EVC
$983M
– –
-2,600
Closed -$16K
EVGN icon
10217
Evogene
EVGN
$6.57M
– –
-599
Closed -$5.86K
EVGN icon
10218
PUT
Evogene
EVGN
$6.57M
– –
-700
Closed -$9K
EVR icon
10219
CALL
Evercore
EVR
$13.1B
– –
-700
Closed -$77K
EVOK
10220
DELISTED
Evoke Pharma
EVOK
– –
-21
Closed -$1K
EVOK
10221
PUT
DELISTED
Evoke Pharma
EVOK
– –
-22
Closed -$1K
EVRI
10222
DELISTED
Everi Holdings
EVRI
$0 ﹤0.01%
59
-4,800
-99% -$84.5K
EVTC icon
10223
CALL
Evertec
EVTC
$1.83B
– –
-100
Closed -$4K
EWBC icon
10224
East-West Bancorp
EWBC
$17.9B
– –
-19,068
Closed -$1.37M
EWC icon
10225
iShares MSCI Canada ETF
EWC
$6.04B
– –
-21,797
Closed -$876K
407 408
409
410 411

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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.