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 | |
|---|---|---|---|---|---|---|
1401
Alpha Metallurgical Resources
AMR
$1.82B
| $3.37M | ﹤0.01% |
26,071
+10,702
| +70% | +$1.62M |
|
1402
CALL
Concentrix
CNXC
$1.36B
| $3.36M | ﹤0.01% |
24,800
+1,800
| +8% | +$271K |
|
1403
PUT
Danaos Corp
DAC
$2.55B
| $3.36M | ﹤0.01% |
53,300
-37,400
| -41% | -$3M |
|
|
SNP
1404
PUT
DELISTED
CHINA PETROLEUM & CHEMICAL CORPORATION ADS (REP 100 ORDINARY H SHARES)
SNP
| $3.36M | ﹤0.01% |
75,100
+63,200
| +531% | +$3.12M |
|
1405
CALL
Logitech
LOGI
$15.2B
| $3.36M | ﹤0.01% |
64,500
+33,200
| +106% | +$2.04M |
|
1406
Vertex Pharmaceuticals
VRTX
$121B
| $3.35M | ﹤0.01% |
11,901
+6,589
| +124% | +$1.76M |
|
1407
PUT
Invesco Aerospace & Defense ETF
PPA
$8.27B
| $3.35M | ﹤0.01% |
43,400
-25,200
| -37% | -$1.83M |
|
1408
PUT
Eastman Chemical
EMN
$7.8B
| $3.35M | ﹤0.01% |
37,300
+33,900
| +997% | +$3.51M |
|
1409
PUT
HF Sinclair
DINO
$15.9B
| $3.35M | ﹤0.01% |
74,100
+58,900
| +388% | +$2.64M |
|
1410
CALL
Tandem Diabetes Care
TNDM
$1.17B
| $3.34M | ﹤0.01% |
56,500
+48,500
| +606% | +$3.98M |
|
1411
CALL
Burlington
BURL
$22B
| $3.34M | ﹤0.01% |
24,500
+16,100
| +192% | +$2.91M |
|
1412
Phillips 66
PSX
$82.9B
| $3.33M | ﹤0.01% |
+40,623
| New | +$3.76M |
|
1413
CALL
Lemonade
LMND
$4.62B
| $3.32M | ﹤0.01% |
182,000
-23,300
| -11% | -$491K |
|
1414
PUT
Ambarella
AMBA
$2.99B
| $3.32M | ﹤0.01% |
50,700
+15,000
| +42% | +$1.21M |
|
1415
CALL
American International
AIG
$41.9B
| $3.31M | ﹤0.01% |
64,800
-82,500
| -56% | -$4.79M |
|
|
GAP
1416
PUT
The Gap Inc
GAP
$6.84B
| $3.31M | ﹤0.01% |
402,000
-125,800
| -24% | -$1.46M |
|
1417
CALL
Black Stone Minerals
BSM
$3.11B
| $3.31M | ﹤0.01% |
241,800
-30,400
| -11% | -$462K |
|
1418
PUT
FT Vest Gold Strategy Target Income ETF
IGLD
$507M
| $3.31M | ﹤0.01% |
+35,500
| New | +$730K |
|
|
REV
1419
CALL
DELISTED
Revlon, Inc.
REV
| $3.31M | ﹤0.01% |
610,000
+607,000
| +20,233% | +$3.33M |
|
1420
CALL
Sabre
SABR
$656M
| $3.3M | ﹤0.01% |
566,800
-369,200
| -39% | -$3.08M |
|
|
NEWR
1421
CALL
DELISTED
New Relic, Inc.
NEWR
| $3.3M | ﹤0.01% |
66,000
+36,800
| +126% | +$2.04M |
|
1422
CALL
GDS Holdings
GDS
$6.34B
| $3.3M | ﹤0.01% |
98,800
-66,900
| -40% | -$2.08M |
|
|
SBNY
1423
PUT
DELISTED
Signature Bank
SBNY
| $3.3M | ﹤0.01% |
18,400
-31,700
| -63% | -$7.1M |
|
1424
CALL
Transocean
RIG
$5.92B
| $3.29M | ﹤0.01% |
987,900
-179,800
| -15% | -$729K |
|
1425
NextEra Energy
NEE
$187B
| $3.28M | ﹤0.01% |
+42,327
| New | +$3.22M |
|
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.