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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
BNO icon
1276
CALL
United States Brent Oil Fund
BNO
$815M
$4.03M ﹤0.01%
123,100
-81,000
-40% -$2.6M
CRMT icon
1277
PUT
America's Car Mart
CRMT
$25.3M
$4.02M ﹤0.01%
+40,000
New +$3.64M
ALL icon
1278
CALL
Allstate
ALL
$66.9B
$4.02M ﹤0.01%
31,700
-17,800
-36% -$2.33M
BHP icon
1279
PUT
BHP
BHP
$213B
$4M ﹤0.01%
191,200
-190,276
-50% -$11.8M
VST icon
1280
PUT
Vistra
VST
$55.1B
$4M ﹤0.01%
175,200
+35,100
+25% +$867K
CBRE icon
1281
CALL
CBRE Group
CBRE
$40.8B
$3.99M ﹤0.01%
54,200
+37,400
+223% +$3.01M
CPER icon
1282
CALL
United States Copper Index Fund
CPER
$742M
$3.98M ﹤0.01%
179,300
+74,400
+71% +$1.95M
NMM icon
1283
PUT
Navios Maritime Partners
NMM
$2.25B
$3.98M ﹤0.01%
173,100
+97,500
+129% +$2.85M
TD icon
1284
PUT
Toronto Dominion Bank
TD
$198B
$3.98M ﹤0.01%
60,700
-32,600
-35% -$2.37M
WEC icon
1285
CALL
WEC Energy
WEC
$37.7B
$3.96M ﹤0.01%
39,300
+35,000
+814% +$3.55M
CSIQ icon
1286
Canadian Solar
CSIQ
$906M
$3.95M ﹤0.01%
126,835
+58,032
+84% +$1.78M
DENT
1287
CALL
DELISTED
AdvisorShares Dent Tactical ETF
DENT
$3.95M ﹤0.01%
382,800
-268,600
-41% -$2.77M
ERX icon
1288
Direxion Daily Energy Bull 2X ETF
ERX
$249M
$3.93M ﹤0.01%
83,776
-26,731
-24% -$1.61M
AG icon
1289
CALL
First Majestic Silver
AG
$8.05B
$3.93M ﹤0.01%
547,500
-82,400
-13% -$804K
SKIN icon
1290
PUT
SkinHealth Systems
SKIN
$94.9M
$3.93M ﹤0.01%
305,300
+288,300
+1,696% +$3.86M
HTZ icon
1291
CALL
Hertz
HTZ
$572M
$3.92M ﹤0.01%
252,000
-264,200
-51% -$5.21M
HSY icon
1292
CALL
Hershey
HSY
$35.4B
$3.92M ﹤0.01%
18,200
-300
-2% -$65.4K
EIX icon
1293
CALL
Edison International
EIX
$30.7B
$3.91M ﹤0.01%
61,800
+52,400
+557% +$3.55M
TOL icon
1294
CALL
Toll Brothers
TOL
$14B
$3.91M ﹤0.01%
87,600
+40,900
+88% +$1.91M
BMBL icon
1295
PUT
Bumble
BMBL
$367M
$3.9M ﹤0.01%
138,700
+68,200
+97% +$1.85M
X
1296
DELISTED
US Steel
X
$3.9M ﹤0.01%
+217,733
New +$5.95M
SPXL icon
1297
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$6.58B
$3.89M ﹤0.01%
59,360
-6,888
-10% -$605K
CPB icon
1298
CALL
Campbell Soup
CPB
$6.51B
$3.89M ﹤0.01%
81,000
+19,400
+31% +$914K
GDDY icon
1299
CALL
GoDaddy
GDDY
$12.3B
$3.88M ﹤0.01%
55,800
-16,800
-23% -$1.28M
EBIX
1300
CALL
DELISTED
Ebix Inc
EBIX
$3.88M ﹤0.01%
229,700
+212,100
+1,205% +$5.93M

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.