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 | |
|---|---|---|---|---|---|---|
|
RWT
3326
PUT
Redwood Trust
RWT
$587M
| $545K | ﹤0.01% |
70,700
-175,600
| -71% | -$1.61M |
|
3327
Sony
SONY
$133B
| $545K | ﹤0.01% |
+33,345
| New | +$591K |
|
3328
CALL
BlackRock TCP Capital
TCPC
$274M
| $545K | ﹤0.01% |
43,500
+4,400
| +11% | +$59.1K |
|
3329
PUT
Scotiabank
BNS
$108B
| $544K | ﹤0.01% |
9,200
-10,300
| -53% | -$668K |
|
|
TGI
3330
PUT
DELISTED
Triumph Group
TGI
| $544K | ﹤0.01% |
41,000
+34,300
| +512% | +$650K |
|
3331
PUT
Yext
YEXT
$564M
| $544K | ﹤0.01% |
114,000
-79,100
| -41% | -$439K |
|
|
ATCO
3332
CALL
DELISTED
Atlas Corp.
ATCO
| $544K | ﹤0.01% |
50,800
+2,200
| +5% | +$27.6K |
|
3333
CALL
Elanco Animal Health
ELAN
$12.7B
| $543K | ﹤0.01% |
27,700
-3,400
| -11% | -$80.5K |
|
3334
CALL
Gyre Therapeutics
GYRE
$668M
| $543K | ﹤0.01% |
40,720
+26,907
| +195% | +$179K |
|
3335
Envista
NVST
$4.39B
| $543K | ﹤0.01% |
+14,094
| New | +$592K |
|
|
FENG
3336
PUT
Phoenix New Media
FENG
$17.4M
| $541K | ﹤0.01% |
+108,300
| New | +$391K |
|
3337
CALL
Kosmos Energy
KOS
$1.39B
| $541K | ﹤0.01% |
87,500
-78,500
| -47% | -$566K |
|
|
FREE
3338
CALL
DELISTED
Whole Earth Brands, Inc. Class A Common Stock
FREE
| $541K | ﹤0.01% |
87,300
-200
| -0.2% | -$1.36K |
|
|
AFMD
3339
CALL
DELISTED
Affimed
AFMD
| $540K | ﹤0.01% |
19,510
+12,760
| +189% | +$437K |
|
3340
PUT
SiriusXM
SIRI
$10.7B
| $540K | ﹤0.01% |
8,820
+5,530
| +168% | +$343K |
|
|
PRFT
3341
CALL
DELISTED
Perficient Inc
PRFT
| $540K | ﹤0.01% |
5,900
-7,100
| -55% | -$706K |
|
3342
Direxion Daily FTSE China Bear 3X ETF
YANG
$89M
| $539K | ﹤0.01% |
+2,465
| New | +$784K |
|
|
HAAC
3343
CALL
DELISTED
Health Assurance Acquisition Corp. Class A Common Stock
HAAC
| $539K | ﹤0.01% |
54,600
-220,500
| -80% | -$2.17M |
|
3344
Interactive Brokers
IBKR
$40.5B
| $538K | ﹤0.01% |
39,144
+22,248
| +132% | +$330K |
|
|
OLPX
3345
CALL
DELISTED
Olaplex Holdings
OLPX
| $538K | ﹤0.01% |
38,200
-12,800
| -25% | -$189K |
|
|
SHLX
3346
PUT
DELISTED
Shell Midstream Partners, L.P.
SHLX
| $538K | ﹤0.01% |
38,300
-1,400
| -4% | -$19.7K |
|
|
TCN
3347
CALL
DELISTED
Tricon Residential Inc.
TCN
| $537K | ﹤0.01% |
53,000
-97,400
| -65% | -$1.25M |
|
3348
PUT
Expeditors International
EXPD
$22.4B
| $536K | ﹤0.01% |
5,500
+1,200
| +28% | +$123K |
|
|
ADAM
3349
Adamas Trust
ADAM
$783M
| $536K | ﹤0.01% |
48,566
-3,605
| -7% | -$44.2K |
|
|
PING
3350
PUT
DELISTED
Ping Identity Holding Corp.
PING
| $536K | ﹤0.01% |
29,600
-1,100
| -4% | -$24.5K |
|
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.