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 | |
|---|---|---|---|---|---|---|
|
ETRN
2951
PUT
DELISTED
Equitrans Midstream Corporation Common Stock
ETRN
| $750K | ﹤0.01% |
118,000
+4,700
| +4% | +$36.3K |
|
2952
CALL
Nexstar Media Group
NXST
$5.92B
| $749K | ﹤0.01% |
4,600
+1,900
| +70% | +$321K |
|
2953
PUT
Royal Gold
RGLD
$16.6B
| $747K | ﹤0.01% |
7,000
-4,800
| -41% | -$594K |
|
|
ZUO
2954
DELISTED
Zuora, Inc.
ZUO
| $747K | ﹤0.01% |
+83,566
| New | +$928K |
|
2955
PUT
ADT
ADT
$5.38B
| $745K | ﹤0.01% |
121,200
-13,900
| -10% | -$96.9K |
|
2956
PUT
Fox Class B
FOX
$21.7B
| $745K | ﹤0.01% |
23,400
-27,100
| -54% | -$881K |
|
|
NXDR
2957
CALL
Nextdoor Holdings
NXDR
$877M
| $745K | ﹤0.01% |
225,200
+68,400
| +44% | +$269K |
|
|
COHR
2958
DELISTED
Coherent Inc
COHR
| $745K | ﹤0.01% |
+2,800
| New | +$750K |
|
2959
PUT
Hecla Mining
HL
$9.76B
| $744K | ﹤0.01% |
190,000
-108,200
| -36% | -$562K |
|
2960
PUT
Magnolia Oil & Gas
MGY
$5.55B
| $743K | ﹤0.01% |
35,400
+5,900
| +20% | +$147K |
|
|
AVTA
2961
DELISTED
Avantax, Inc. Common Stock
AVTA
| $743K | ﹤0.01% |
40,268
+7,213
| +22% | +$131K |
|
|
ONEM
2962
DELISTED
1Life Healthcare
ONEM
| $743K | ﹤0.01% |
94,894
+33,645
| +55% | +$289K |
|
2963
PUT
BCE
BCE
$20.3B
| $742K | ﹤0.01% |
15,100
+2,500
| +20% | +$134K |
|
2964
CALL
A10 Networks
ATEN
$2.25B
| $740K | ﹤0.01% |
51,500
+48,300
| +1,509% | +$700K |
|
2965
CALL
Sinclair Inc
SBGI
$1.02B
| $738K | ﹤0.01% |
36,200
+29,400
| +432% | +$682K |
|
|
HIBB
2966
PUT
DELISTED
Hibbett, Inc. Common Stock
HIBB
| $738K | ﹤0.01% |
16,900
-3,600
| -18% | -$166K |
|
2967
CALL
Associated Banc-Corp
ASB
$5.86B
| $737K | ﹤0.01% |
40,400
-3,300
| -8% | -$66.8K |
|
2968
TechnipFMC
FTI
$28.9B
| $737K | ﹤0.01% |
109,629
-120,592
| -52% | -$919K |
|
2969
CALL
Playboy Inc
PLBY
$141M
| $737K | ﹤0.01% |
115,300
+5,900
| +5% | +$54.1K |
|
2970
PUT
Pool Corp
POOL
$7B
| $737K | ﹤0.01% |
2,100
-200
| -9% | -$79.3K |
|
|
RDBX
2971
PUT
DELISTED
Redbox Entertainment Inc. Class A Common Stock
RDBX
| $737K | ﹤0.01% |
+99,600
| New | +$587K |
|
2972
PUT
Tootsie Roll Industries
TR
$2.94B
| $736K | ﹤0.01% |
23,449
-232
| -1% | -$7.01K |
|
|
STKL
2973
CALL
DELISTED
SunOpta
STKL
| $735K | ﹤0.01% |
94,500
+71,600
| +313% | +$472K |
|
|
BRT
2974
CALL
BRT Apartments
BRT
$284M
| $734K | ﹤0.01% |
34,200
+2,500
| +8% | +$55.1K |
|
2975
PUT
Cracker Barrel
CBRL
$1.2B
| $734K | ﹤0.01% |
8,800
+6,000
| +214% | +$623K |
|
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.