Simplex Trading Portfolio holdings
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$286M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$82.3M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$72.6M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$64.2M |
| 5 |
Intel
INTC
|
+$52.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$51.5M |
| 2 |
iShares Silver Trust
SLV
|
+$41.8M |
| 3 |
Ford
F
|
+$26.3M |
| 4 |
United Airlines
UAL
|
+$22.7M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
6326
CALL
Globus Medical
GMED
$10.7B
| $56K | ﹤0.01% |
1,000
-3,200
| -76% | -$210K |
|
6327
CALL
iPath Series B Carbon Exchange-Traded Notes
GRN
$23.6M
| $56K | ﹤0.01% |
1,600
+200
| +14% | +$6.56K |
|
6328
PUT
Hain Celestial
HAIN
$45M
| $56K | ﹤0.01% |
+2,400
| New | +$68.3K |
|
|
KALV
6329
CALL
DELISTED
KalVista Pharmaceuticals
KALV
| $56K | ﹤0.01% |
5,700
+4,400
| +338% | +$48.5K |
|
6330
Lindblad Expeditions
LIND
$1.94B
| $56K | ﹤0.01% |
+6,977
| New | +$90.9K |
|
6331
NextDecade
NEXT
$1.79B
| $56K | ﹤0.01% |
12,737
-5,455
| -30% | -$33.8K |
|
6332
New Fortress Energy
NFE
$92.1M
| $56K | ﹤0.01% |
+1,438
| New | +$62K |
|
|
RGLS
6333
CALL
DELISTED
Regulus Therapeutics
RGLS
| $56K | ﹤0.01% |
27,500
+24,860
| +942% | +$60.3K |
|
6334
PUT
RLJ Lodging Trust
RLJ
$1.86B
| $56K | ﹤0.01% |
5,100
+100
| +2% | +$1.3K |
|
6335
CALL
Riskified
RSKD
$694M
| $56K | ﹤0.01% |
12,800
+300
| +2% | +$1.55K |
|
6336
Splash Beverage Group
SBEV
$2.33M
| $56K | ﹤0.01% |
+118
| New | +$42.6K |
|
6337
CALL
SCYNEXIS
SCYX
$48.1M
| $56K | ﹤0.01% |
3,800
-2,338
| -38% | -$45K |
|
6338
PUT
SoundHound AI
SOUN
$2.67B
| $56K | ﹤0.01% |
+21,200
| New | +$131K |
|
6339
PUT
SPS Commerce
SPSC
$2.64B
| $56K | ﹤0.01% |
+500
| New | +$56.6K |
|
6340
TFI International
TFII
$11.1B
| $56K | ﹤0.01% |
706
-2,872
| -80% | -$234K |
|
6341
Kartoon Studios
TOON
$35.2M
| $56K | ﹤0.01% |
7,490
+3,869
| +107% | +$29.6K |
|
6342
PUT
Vanguard S&P 500 Growth ETF
VOOG
$25.9B
| $56K | ﹤0.01% |
+1,800
| New | +$71.6K |
|
6343
Wolverine World Wide
WWW
$1.61B
| $56K | ﹤0.01% |
2,779
+2,744
| +7,840% | +$56.9K |
|
|
OSG
6344
CALL
DELISTED
Overseas Shipholding Group Inc.
OSG
| $56K | ﹤0.01% |
27,500
+3,200
| +13% | +$6.86K |
|
|
TYME
6345
CALL
DELISTED
Tyme Technologies, Inc. Common Stock
TYME
| $56K | ﹤0.01% |
200,200
-9,500
| -5% | -$2.74K |
|
6346
CALL
Absci
ABSI
$1.32B
| $55K | ﹤0.01% |
16,800
+14,100
| +522% | +$70.1K |
|
6347
Accel Entertainment
ACEL
$978M
| $55K | ﹤0.01% |
5,195
+1,627
| +46% | +$18.2K |
|
6348
PUT
Arcutis Biotherapeutics
ARQT
$3.36B
| $55K | ﹤0.01% |
2,600
-5,500
| -68% | -$113K |
|
6349
Cadiz
CDZI
$251M
| $55K | ﹤0.01% |
23,622
-2,669
| -10% | -$5.56K |
|
6350
PUT
Choice Hotels
CHH
$5.07B
| $55K | ﹤0.01% |
500
+400
| +400% | +$51.9K |
|
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.