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 | |
|---|---|---|---|---|---|---|
7201
PUT
Agree Realty
ADC
$9.34B
| $28K | ﹤0.01% |
400
-700
| -64% | -$48.6K |
|
7202
PUT
Actinium Pharmaceuticals
ATNM
$26.3M
| $28K | ﹤0.01% |
5,900
-4,500
| -43% | -$25.5K |
|
7203
VanEck Brazil Small-Cap ETF
BRF
$21.9M
| $28K | ﹤0.01% |
+2,065
| New | +$35.6K |
|
|
BRSP
7204
BrightSpire Capital
BRSP
$634M
| $28K | ﹤0.01% |
3,747
+2,618
| +232% | +$22.2K |
|
7205
CALL
Cue Biopharma
CUE
$113M
| $28K | ﹤0.01% |
387
-806
| -68% | -$94.3K |
|
7206
CALL
Civeo
CVEO
$345M
| $28K | ﹤0.01% |
+1,100
| New | +$29.6K |
|
|
DAO
7207
Youdao
DAO
$2.03B
| $28K | ﹤0.01% |
5,854
+4,544
| +347% | +$27.1K |
|
7208
CALL
Empire State Realty Trust
ESRT
$872M
| $28K | ﹤0.01% |
4,000
-9,900
| -71% | -$80.4K |
|
7209
CALL
Flotek Industries
FTK
$852M
| $28K | ﹤0.01% |
4,867
-8,583
| -64% | -$64.8K |
|
7210
PUT
Gates Industrial Corporation Ltd.
GTES
$7.08B
| $28K | ﹤0.01% |
+2,600
| New | +$32.5K |
|
7211
CALL
Hudbay
HBM
$10.1B
| $28K | ﹤0.01% |
6,900
-11,100
| -62% | -$66.3K |
|
7212
iShares Global Clean Energy ETF
ICLN
$2.31B
| $28K | ﹤0.01% |
1,500
-4,180
| -74% | -$81.5K |
|
|
JHG
7213
PUT
DELISTED
Janus Henderson
JHG
| $28K | ﹤0.01% |
1,200
| – | – |
|
7214
Koppers
KOP
$943M
| $28K | ﹤0.01% |
1,251
+971
| +347% | +$24.6K |
|
7215
PUT
Nexa Resources
NEXA
$1.7B
| $28K | ﹤0.01% |
4,700
+800
| +21% | +$6.8K |
|
7216
CALL
PharmaCyte Biotech
PMCB
$6.18M
| $28K | ﹤0.01% |
12,900
+1,300
| +11% | +$2.84K |
|
|
PNNT
7217
PUT
Pennant Park Investment Corp
PNNT
$215M
| $28K | ﹤0.01% |
4,600
-100
| -2% | -$712 |
|
|
PRA
7218
CALL
DELISTED
ProAssurance
PRA
| $28K | ﹤0.01% |
+1,200
| New | +$28.1K |
|
7219
CALL
Recon Technology
RCON
$39.7M
| $28K | ﹤0.01% |
2,389
-4,383
| -65% | -$66.1K |
|
7220
CALL
Red Robin
RRGB
$145M
| $28K | ﹤0.01% |
3,600
+1,800
| +100% | +$19.4K |
|
7221
PUT
Sinclair Inc
SBGI
$992M
| $28K | ﹤0.01% |
1,400
-2,000
| -59% | -$46.4K |
|
7222
PUT
Telos
TLS
$332M
| $28K | ﹤0.01% |
3,500
+2,200
| +169% | +$19K |
|
7223
CALL
Usio Inc
USIO
$58.8M
| $28K | ﹤0.01% |
11,900
-4,000
| -25% | -$10.6K |
|
7224
Xenon Pharmaceuticals
XENE
$6.06B
| $28K | ﹤0.01% |
+940
| New | +$28.4K |
|
7225
Zumiez
ZUMZ
$332M
| $28K | ﹤0.01% |
+1,115
| New | +$37.5K |
|
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.