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 | |
|---|---|---|---|---|---|---|
|
CANO
2426
CALL
DELISTED
Cano Health, Inc.
CANO
| $1.18M | ﹤0.01% |
2,704
-1,353
| -33% | -$706K |
|
|
HZON
2427
CALL
DELISTED
Horizon Acquisition Corporation II
HZON
| $1.18M | ﹤0.01% |
119,500
+90,800
| +316% | +$899K |
|
2428
FIVE9
FIVN
$1.96B
| $1.18M | ﹤0.01% |
+12,991
| New | +$1.31M |
|
2429
PUT
Intrepid Potash
IPI
$461M
| $1.18M | ﹤0.01% |
26,100
-8,300
| -24% | -$604K |
|
2430
Realty Income
O
$61.1B
| $1.18M | ﹤0.01% |
+17,302
| New | +$1.19M |
|
2431
CALL
Advance Auto Parts
AAP
$3.48B
| $1.18M | ﹤0.01% |
6,800
+4,300
| +172% | +$853K |
|
|
VSXY
2432
CALL
Victoria's Secret
VSXY
$6.78B
| $1.18M | ﹤0.01% |
42,100
+23,500
| +126% | +$1.02M |
|
|
SVFAU
2433
CALL
DELISTED
SVF Investment Corp. Unit
SVFAU
| $1.18M | ﹤0.01% |
119,300
-3,700
| -3% | -$36.6K |
|
2434
CALL
CleanSpark
CLSK
$3.6B
| $1.18M | ﹤0.01% |
299,800
-43,300
| -13% | -$291K |
|
2435
CALL
Clarivate
CLVT
$1.36B
| $1.18M | ﹤0.01% |
84,800
-82,600
| -49% | -$1.24M |
|
2436
Direxion Daily CSI China Internet Index Bull 2X ETF
CWEB
$228M
| $1.18M | ﹤0.01% |
16,178
-1,312
| -8% | -$77.9K |
|
2437
PUT
Constellation Energy
CEG
$96.4B
| $1.17M | ﹤0.01% |
20,500
+2,300
| +13% | +$138K |
|
|
HOLX
2438
DELISTED
Hologic
HOLX
| $1.17M | ﹤0.01% |
16,920
+9,613
| +132% | +$714K |
|
2439
PUT
Bloom Energy
BE
$53.5B
| $1.17M | ﹤0.01% |
71,000
-97,100
| -58% | -$1.78M |
|
2440
CALL
The GEO Group
GEO
$4.13B
| $1.17M | ﹤0.01% |
177,400
+57,900
| +48% | +$385K |
|
2441
MGM Resorts International
MGM
$11.8B
| $1.17M | ﹤0.01% |
40,415
-14,951
| -27% | -$536K |
|
2442
United Microelectronic
UMC
$47.9B
| $1.17M | ﹤0.01% |
172,633
+7,730
| +5% | +$63.4K |
|
2443
PUT
3D Systems Corp
DDD
$430M
| $1.17M | ﹤0.01% |
120,400
-162,100
| -57% | -$1.89M |
|
|
TCRR
2444
CALL
DELISTED
TCR2 Therapeutics Inc. Common Stock
TCRR
| $1.17M | ﹤0.01% |
402,700
+400,400
| +17,409% | +$988K |
|
2445
PUT
America Movil
AMX
$77.1B
| $1.17M | ﹤0.01% |
57,100
+4,200
| +8% | +$86.4K |
|
2446
PUT
Viant Technology
DSP
$226M
| $1.17M | ﹤0.01% |
229,500
+152,300
| +197% | +$913K |
|
2447
PUT
Chegg
CHGG
$110M
| $1.16M | ﹤0.01% |
62,000
-61,300
| -50% | -$1.4M |
|
|
HR
2448
PUT
DELISTED
Healthcare Realty Trust Incorporated
HR
| $1.16M | ﹤0.01% |
42,700
+40,900
| +2,272% | +$1.14M |
|
2449
PUT
Banco Bradesco
BBD
$38.5B
| $1.16M | ﹤0.01% |
356,043
-139,540
| -28% | -$536K |
|
|
GOGL
2450
PUT
DELISTED
Golden Ocean Group
GOGL
| $1.16M | ﹤0.01% |
99,700
-47,200
| -32% | -$632K |
|
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.