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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
TNK icon
11101
Teekay Tankers
TNK
$2.61B
– –
-10,069
Closed -$180K
TOKE
11102
DELISTED
Cambria Cannabis ETF
TOKE
– –
-320
Closed -$3K
TOUR
11103
CALL
Tuniu
TOUR
$55.9M
– –
-580
Closed -$5K
TOWN icon
11104
Towne Bank
TOWN
$3.26B
– –
-93
Closed -$2.65K
TPB icon
11105
CALL
Turning Point Brands
TPB
$1.45B
– –
-100
Closed -$3K
TPOR icon
11106
Direxion Daily Transportation Bull 3X ETF
TPOR
$19.7M
– –
-31
Closed -$1K
TPR icon
11107
Tapestry
TPR
$28.6B
– –
-66,029
Closed -$2.16M
TRMB icon
11108
Trimble
TRMB
$11.8B
– –
-100
Closed -$6.57K
TRMK icon
11109
CALL
Trustmark
TRMK
$2.68B
– –
-900
Closed -$27K
TRNO icon
11110
CALL
Terreno Realty
TRNO
$7.67B
– –
-1,300
Closed -$96K
TRP icon
11111
TC Energy
TRP
$72.9B
– –
-25,827
Closed -$1.44M
TRTX
11112
TPG RE Finance Trust
TRTX
$654M
– –
-1,240
Closed -$13K
TRV icon
11113
Travelers Companies
TRV
$78.7B
– –
-7,685
Closed -$1.34M
TRX icon
11114
TRX Gold Corp
TRX
$264M
$0 ﹤0.01%
700
-545
-44% -$179
TRX icon
11115
PUT
TRX Gold Corp
TRX
$264M
– –
-3,600
Closed -$1K
TSAT icon
11116
PUT
Telesat
TSAT
$598M
– –
-1,400
Closed -$28K
TSHA icon
11117
Taysha Gene Therapies
TSHA
$1.66B
– –
-320
Closed -$1.27K
TTC icon
11118
PUT
Toro Company
TTC
$8.86B
– –
-300
Closed -$25K
TTEK icon
11119
PUT
Tetra Tech
TTEK
$7.99B
– –
-500
Closed -$16K
TTNP
11120
DELISTED
Titan Pharmaceuticals
TTNP
$0 ﹤0.01%
24
+6
+33% +$75
TTSH
11121
DELISTED
Tile Shop Holdings
TTSH
$0 ﹤0.01%
159
-8,841
-98% -$44.1K
TV icon
11122
Televisa
TV
$1.48B
– –
-4,584
Closed -$43.3K
TWIN icon
11123
CALL
Twin Disc
TWIN
$329M
– –
-100
Closed -$1K
TWIN icon
11124
Twin Disc
TWIN
$329M
– –
-52
Closed –
TWIN icon
11125
PUT
Twin Disc
TWIN
$329M
– –
-1,400
Closed -$23K
443 444
445
446 447

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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.