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 | |
|---|---|---|---|---|---|---|
4376
PUT
Aterian
ATER
$4.23M
| $242K | ﹤0.01% |
9,358
+6,491
| +226% | +$287K |
|
4377
PUT
Dana Inc
DAN
$2.91B
| $242K | ﹤0.01% |
17,200
-16,200
| -49% | -$251K |
|
|
CARM
4378
PUT
DELISTED
Carisma Therapeutics
CARM
| $241K | ﹤0.01% |
14,875
-265
| -2% | -$3.03K |
|
|
VTLE
4379
DELISTED
Vital Energy
VTLE
| $241K | ﹤0.01% |
3,506
-2,919
| -45% | -$234K |
|
|
IELG
4380
CALL
DELISTED
ISHARES ENHANCED U.S. LARGE CAP ETF
IELG
| $241K | ﹤0.01% |
5,900
-1,900
| -24% | -$77.6K |
|
4381
America Movil
AMX
$76B
| $240K | ﹤0.01% |
11,776
+10,864
| +1,191% | +$223K |
|
4382
CALL
Actinium Pharmaceuticals
ATNM
$26.3M
| $240K | ﹤0.01% |
49,900
-7,300
| -13% | -$41.4K |
|
|
BCLI
4383
CALL
DELISTED
BRAINSTORM CELL THERAPUTC
BCLI
| $240K | ﹤0.01% |
5,813
+2,473
| +74% | +$111K |
|
4384
iShares MSCI Singapore ETF
EWS
$1.05B
| $240K | ﹤0.01% |
13,580
-38,101
| -74% | -$726K |
|
4385
PUT
Bank OZK
OZK
$5.57B
| $240K | ﹤0.01% |
6,400
+2,100
| +49% | +$82.9K |
|
|
VMEO
4386
PUT
DELISTED
Vimeo
VMEO
| $240K | ﹤0.01% |
40,000
+32,700
| +448% | +$297K |
|
|
BLU
4387
PUT
DELISTED
BELLUS Health Inc.
BLU
| $240K | ﹤0.01% |
26,000
+15,100
| +139% | +$124K |
|
|
BOXD
4388
PUT
DELISTED
Boxed, Inc.
BOXD
| $240K | ﹤0.01% |
129,800
+122,700
| +1,728% | +$947K |
|
4389
PUT
Celularity
CELU
$19.7M
| $239K | ﹤0.01% |
7,040
+6,300
| +851% | +$512K |
|
4390
CALL
Icon
ICLR
$12.8B
| $238K | ﹤0.01% |
1,100
-14,600
| -93% | -$3.27M |
|
4391
CALL
Pinnacle Financial Partners Inc
PNFP
$15.8B
| $238K | ﹤0.01% |
3,300
-5,600
| -63% | -$442K |
|
4392
ProShares Ultra Silver
AGQ
$1.2B
| $237K | ﹤0.01% |
9,701
-12,617
| -57% | -$397K |
|
4393
PUT
BlackSky Technology
BKSY
$919M
| $237K | ﹤0.01% |
12,825
+10,500
| +452% | +$160K |
|
4394
Global X Autonomous & Electric Vehicles ETF
DRIV
$377M
| $237K | ﹤0.01% |
11,043
-4,778
| -30% | -$115K |
|
4395
CALL
Nordic American Tanker
NAT
$1.41B
| $237K | ﹤0.01% |
111,500
-45,500
| -29% | -$109K |
|
4396
PUT
Photronics
PLAB
$1.74B
| $237K | ﹤0.01% |
12,200
+1,000
| +9% | +$17.5K |
|
4397
CALL
Root
ROOT
$919M
| $237K | ﹤0.01% |
11,089
-6,972
| -39% | -$189K |
|
|
LSI
4398
DELISTED
Life Storage, Inc.
LSI
| $237K | ﹤0.01% |
2,124
-100
| -4% | -$12.3K |
|
|
MAXR
4399
PUT
DELISTED
Maxar Technologies Inc. Common Stock
MAXR
| $237K | ﹤0.01% |
9,100
-20,800
| -70% | -$647K |
|
|
AAWW
4400
DELISTED
Atlas Air Worldwide Holdings, Inc.
AAWW
| $237K | ﹤0.01% |
3,856
-19,905
| -84% | -$1.36M |
|
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.