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 | |
|---|---|---|---|---|---|---|
|
RAD
2476
PUT
DELISTED
Rite Aid Corporation
RAD
| $1.14M | ﹤0.01% |
168,500
-11,800
| -7% | -$78.1K |
|
2477
CALL
Senseonics Holdings Inc
SENS
$262M
| $1.13M | ﹤0.01% |
55,075
+16,100
| +41% | +$420K |
|
2478
Haemonetics
HAE
$3.63B
| $1.13M | ﹤0.01% |
17,397
+16,607
| +2,102% | +$983K |
|
2479
PUT
Maximus
MMS
$3.2B
| $1.13M | ﹤0.01% |
18,100
-2,000
| -10% | -$135K |
|
2480
PUT
Baxter International
BAX
$12.1B
| $1.13M | ﹤0.01% |
17,600
-7,000
| -28% | -$508K |
|
2481
CALL
SiriusXM
SIRI
$10.5B
| $1.13M | ﹤0.01% |
18,430
-12,410
| -40% | -$771K |
|
|
NBIS
2482
PUT
Nebius Group N.V.
NBIS
$47.7B
| $1.13M | ﹤0.01% |
27,400
-38,500
| -58% | -$1.59M |
|
2483
PUT
Brookfield
BN
$103B
| $1.13M | ﹤0.01% |
91,105
-164,212
| -64% | -$4.39M |
|
2484
CALL
Chemed
CHE
$6.76B
| $1.13M | ﹤0.01% |
2,400
+2,100
| +700% | +$1.02M |
|
2485
CALL
Hims & Hers Health
HIMS
$7B
| $1.13M | ﹤0.01% |
248,600
+27,400
| +12% | +$117K |
|
2486
Eastman Chemical
EMN
$7.74B
| $1.12M | ﹤0.01% |
+12,530
| New | +$1.3M |
|
2487
CALL
Graphic Packaging
GPK
$3.3B
| $1.12M | ﹤0.01% |
54,800
+43,900
| +403% | +$927K |
|
2488
PUT
YPF
YPF
$20B
| $1.12M | ﹤0.01% |
344,600
-51,000
| -13% | -$220K |
|
2489
First Trust NASDAQ Cybersecurity ETF
CIBR
$14B
| $1.12M | ﹤0.01% |
27,903
-28,626
| -51% | -$1.28M |
|
2490
CALL
Warby Parker
WRBY
$3.05B
| $1.12M | ﹤0.01% |
99,300
+92,600
| +1,382% | +$1.86M |
|
2491
PUT
Littelfuse
LFUS
$10.2B
| $1.12M | ﹤0.01% |
4,400
+400
| +10% | +$100K |
|
2492
PUT
QuidelOrtho
QDEL
$1.15B
| $1.12M | ﹤0.01% |
11,500
-16,300
| -59% | -$1.66M |
|
|
BPMC
2493
CALL
DELISTED
Blueprint Medicines
BPMC
| $1.12M | ﹤0.01% |
22,100
+21,300
| +2,663% | +$1.25M |
|
2494
Direxion Daily Financial Bear 3x ETF
FAZ
$85M
| $1.12M | ﹤0.01% |
+3,858
| New | +$937K |
|
2495
CALL
AllianceBernstein
AB
$3.54B
| $1.11M | ﹤0.01% |
26,800
+8,400
| +46% | +$353K |
|
2496
PUT
Cars.com
CARS
$660M
| $1.11M | ﹤0.01% |
118,000
-22,700
| -16% | -$245K |
|
2497
PUT
MSCI
MSCI
$41.5B
| $1.11M | ﹤0.01% |
2,700
+1,200
| +80% | +$522K |
|
2498
CALL
Green Plains
GPRE
$1.15B
| $1.11M | ﹤0.01% |
40,900
-4,800
| -11% | -$150K |
|
2499
CALL
Targa Resources
TRGP
$57.4B
| $1.11M | ﹤0.01% |
18,600
-28,700
| -61% | -$2.06M |
|
2500
CALL
Leidos
LDOS
$14.5B
| $1.11M | ﹤0.01% |
11,000
-2,800
| -20% | -$290K |
|
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.