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 | |
|---|---|---|---|---|---|---|
|
CTIC
3276
DELISTED
CTI BioPharma Corp. (DE) Common Stock
CTIC
| $571K | ﹤0.01% |
95,799
-62,682
| -40% | -$321K |
|
3277
PUT
Colliers International
CIGI
$5.31B
| $570K | ﹤0.01% |
5,200
-1,300
| -20% | -$148K |
|
3278
CALL
Harmony Biosciences
HRMY
$2.07B
| $570K | ﹤0.01% |
+11,700
| New | +$527K |
|
3279
PUT
Nexstar Media Group
NXST
$5.92B
| $570K | ﹤0.01% |
3,500
-700
| -17% | -$118K |
|
3280
Olin
OLN
$2.44B
| $570K | ﹤0.01% |
+12,327
| New | +$712K |
|
3281
CALL
Apple Hospitality REIT
APLE
$3.97B
| $569K | ﹤0.01% |
38,800
-19,500
| -33% | -$322K |
|
|
RVNC
3282
PUT
DELISTED
Revance Therapeutics, Inc.
RVNC
| $569K | ﹤0.01% |
41,200
-47,800
| -54% | -$736K |
|
|
LSI
3283
CALL
DELISTED
Life Storage, Inc.
LSI
| $569K | ﹤0.01% |
5,100
-3,800
| -43% | -$469K |
|
|
AAWW
3284
CALL
DELISTED
Atlas Air Worldwide Holdings, Inc.
AAWW
| $567K | ﹤0.01% |
9,200
-9,200
| -50% | -$629K |
|
3285
CALL
First Horizon
FHN
$12.3B
| $566K | ﹤0.01% |
25,900
-8,500
| -25% | -$191K |
|
3286
CALL
Black Diamond Therapeutics
BDTX
$101M
| $565K | ﹤0.01% |
+229,800
| New | +$534K |
|
3287
CALL
Integer Holdings
ITGR
$3.41B
| $565K | ﹤0.01% |
8,000
+7,600
| +1,900% | +$581K |
|
3288
CALL
Parsons
PSN
$6.64B
| $565K | ﹤0.01% |
14,000
+2,300
| +20% | +$88.1K |
|
3289
PUT
United Therapeutics
UTHR
$26.1B
| $565K | ﹤0.01% |
2,400
-20,000
| -89% | -$4.07M |
|
|
TBCH
3290
PUT
Turtle Beach Corp
TBCH
$258M
| $565K | ﹤0.01% |
46,200
+17,600
| +62% | +$300K |
|
3291
Antero Midstream
AM
$10.3B
| $564K | ﹤0.01% |
+62,412
| New | +$649K |
|
3292
CALL
Conagra Brands
CAG
$7.38B
| $564K | ﹤0.01% |
16,500
-176,700
| -91% | -$6.02M |
|
3293
CALL
Camtek
CAMT
$6.53B
| $564K | ﹤0.01% |
22,700
+21,600
| +1,964% | +$617K |
|
3294
CALL
Endava
DAVA
$153M
| $564K | ﹤0.01% |
6,400
-6,600
| -51% | -$690K |
|
|
RENT
3295
CALL
Rent the Runway
RENT
$119M
| $564K | ﹤0.01% |
9,195
-3,945
| -30% | -$372K |
|
3296
VanEck Agribusiness ETF
MOO
$998M
| $563K | ﹤0.01% |
6,516
-5,769
| -47% | -$562K |
|
3297
BlackBerry
BB
$4.74B
| $562K | ﹤0.01% |
104,410
-58,603
| -36% | -$348K |
|
3298
CALL
Xerox
XRX
$360M
| $562K | ﹤0.01% |
37,900
-181,900
| -83% | -$3.22M |
|
|
CTLT
3299
DELISTED
CATALENT, INC.
CTLT
| $562K | ﹤0.01% |
+5,242
| New | +$534K |
|
3300
CALL
Extra Space Storage
EXR
$32.2B
| $561K | ﹤0.01% |
3,300
+400
| +14% | +$74.1K |
|
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.