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 | |
|---|---|---|---|---|---|---|
7376
PUT
Brilliant Earth
BRLT
$18M
| $24K | ﹤0.01% |
5,200
-1,000
| -16% | -$6.28K |
|
7377
Chord Energy
CHRD
$7.78B
| $24K | ﹤0.01% |
201
-214
| -52% | -$31.3K |
|
7378
CALL
Dolphin Entertainment
DLPN
$13.7M
| $24K | ﹤0.01% |
3,850
+2,700
| +235% | +$20.3K |
|
|
FENG
7379
CALL
Phoenix New Media
FENG
$17.5M
| $24K | ﹤0.01% |
+4,800
| New | +$17.3K |
|
7380
PUT
Farmers National Banc Corp
FMNB
$941M
| $24K | ﹤0.01% |
1,600
-5,600
| -78% | -$86.5K |
|
7381
CALL
Fabrinet
FN
$15.7B
| $24K | ﹤0.01% |
300
-400
| -57% | -$36K |
|
7382
CALL
Genesco
GCO
$429M
| $24K | ﹤0.01% |
500
-8,700
| -95% | -$521K |
|
7383
PUT
Gogoro
GGR
$56.8M
| $24K | ﹤0.01% |
+160
| New | +$21.7K |
|
7384
CALL
Hackett Group
HCKT
$269M
| $24K | ﹤0.01% |
1,300
+100
| +8% | +$2.15K |
|
7385
iShares Biotechnology ETF
IBB
$9.52B
| $24K | ﹤0.01% |
205
-2,571
| -93% | -$305K |
|
7386
PUT
Kforce
KFRC
$1.02B
| $24K | ﹤0.01% |
400
| – | – |
|
7387
CALL
LifeMD
LFMD
$176M
| $24K | ﹤0.01% |
12,000
-7,100
| -37% | -$17.6K |
|
7388
Liberty Latin America Class A
LILA
$1.63B
| $24K | ﹤0.01% |
4,622
+3,584
| +345% | +$22.3K |
|
7389
CALL
El Pollo Loco
LOCO
$502M
| $24K | ﹤0.01% |
2,500
+200
| +9% | +$2.1K |
|
|
NAK
7390
PUT
Northern Dynasty Minerals
NAK
$779M
| $24K | ﹤0.01% |
94,500
-155,100
| -62% | -$50.7K |
|
7391
Nature's Sunshine
NATR
$357M
| $24K | ﹤0.01% |
2,277
+1,177
| +107% | +$16.4K |
|
7392
Newegg Commerce
NEGG
$270M
| $24K | ﹤0.01% |
331
-1,775
| -84% | -$187K |
|
|
NEWP
7393
New Pacific Metals
NEWP
$881M
| $24K | ﹤0.01% |
8,612
-10,301
| -54% | -$32.8K |
|
7394
CALL
Napco Security Technologies
NSSC
$1.3B
| $24K | ﹤0.01% |
1,200
| – | – |
|
|
OGI
7395
PUT
Organigram Holdings
OGI
$136M
| $24K | ﹤0.01% |
6,800
+1,125
| +20% | +$5.74K |
|
7396
PUT
ONE Gas
OGS
$4.9B
| $24K | ﹤0.01% |
300
-100
| -25% | -$8.56K |
|
7397
OraSure Technologies
OSUR
$273M
| $24K | ﹤0.01% |
+9,092
| New | +$45.2K |
|
7398
Perella Weinberg Partners
PWP
$1.09B
| $24K | ﹤0.01% |
4,233
-3,499
| -45% | -$25.3K |
|
7399
QuantumScape Corp
QS
$3.22B
| $24K | ﹤0.01% |
2,830
| – | – |
|
7400
Quanterix
QTRX
$166M
| $24K | ﹤0.01% |
+1,495
| New | +$30.7K |
|
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.