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 | |
|---|---|---|---|---|---|---|
3501
CALL
OR Royalties Inc
OR
$5.51B
| $471K | ﹤0.01% |
46,700
+1,500
| +3% | +$18K |
|
3502
Otter Tail
OTTR
$3.84B
| $471K | ﹤0.01% |
7,024
+6,543
| +1,360% | +$416K |
|
3503
CALL
Brunswick
BC
$5.21B
| $470K | ﹤0.01% |
7,200
+5,100
| +243% | +$375K |
|
|
TMPO
3504
CALL
DELISTED
Tempo Automation Holdings, Inc. Common Stock
TMPO
| $470K | ﹤0.01% |
46,400
+41,800
| +909% | +$421K |
|
|
MAXN
3505
PUT
DELISTED
Maxeon Solar Technologies
MAXN
| $469K | ﹤0.01% |
353
+252
| +250% | +$312K |
|
3506
CALL
Vanguard FTSE Developed Markets ETF
VEA
$224B
| $469K | ﹤0.01% |
11,500
-3,500
| -23% | -$156K |
|
|
NLSN
3507
PUT
DELISTED
Nielsen Holdings plc
NLSN
| $469K | ﹤0.01% |
20,200
-27,500
| -58% | -$704K |
|
3508
B2Gold
BTG
$5.01B
| $468K | ﹤0.01% |
138,192
+8,991
| +7% | +$37.5K |
|
3509
CALL
Consumer Portfolio Services
CPSS
$207M
| $468K | ﹤0.01% |
45,700
+41,300
| +939% | +$503K |
|
3510
CALL
Magnolia Oil & Gas
MGY
$5.84B
| $468K | ﹤0.01% |
22,300
+17,400
| +355% | +$435K |
|
|
JOYY
3511
JOYY Inc
JOYY
$3.74B
| $468K | ﹤0.01% |
15,699
-3,266
| -17% | -$120K |
|
3512
Alta Equipment Group
ALTG
$199M
| $467K | ﹤0.01% |
52,160
+51,916
| +21,277% | +$569K |
|
|
SUMO
3513
CALL
DELISTED
Sumo Logic, Inc. Common Stock
SUMO
| $467K | ﹤0.01% |
62,400
+3,900
| +7% | +$34.2K |
|
|
AZEK
3514
CALL
DELISTED
The AZEK Co
AZEK
| $465K | ﹤0.01% |
27,800
+14,100
| +103% | +$290K |
|
|
ADN
3515
CALL
DELISTED
Advent Technologies
ADN
| $463K | ﹤0.01% |
6,133
+3,626
| +145% | +$219K |
|
3516
PUT
Carrier Global
CARR
$50.5B
| $463K | ﹤0.01% |
13,000
-21,800
| -63% | -$856K |
|
3517
DraftKings
DKNG
$12.2B
| $463K | ﹤0.01% |
39,726
-417,722
| -91% | -$5.88M |
|
3518
Frontline
FRO
$8.68B
| $463K | ﹤0.01% |
52,330
+18,918
| +57% | +$171K |
|
3519
PUT
Vornado Realty Trust
VNO
$7.75B
| $463K | ﹤0.01% |
16,200
-5,100
| -24% | -$182K |
|
3520
PUT
American Resources Corp
AREC
$180M
| $462K | ﹤0.01% |
319,200
+171,900
| +117% | +$306K |
|
3521
CALL
AbCellera Biologics
ABCL
$1.67B
| $461K | ﹤0.01% |
43,300
-11,100
| -20% | -$94K |
|
|
ARI
3522
CALL
Apollo Commercial Real Estate
ARI
$858M
| $461K | ﹤0.01% |
44,200
+22,000
| +99% | +$270K |
|
3523
CALL
PLAYSTUDIOS Inc
MYPS
$77.6M
| $461K | ﹤0.01% |
107,900
+89,200
| +477% | +$485K |
|
|
AVTA
3524
PUT
DELISTED
Avantax, Inc. Common Stock
AVTA
| $461K | ﹤0.01% |
25,000
+15,100
| +153% | +$275K |
|
3525
PUT
Ares Capital
ARCC
$13.6B
| $460K | ﹤0.01% |
25,700
-48,300
| -65% | -$952K |
|
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.