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 | |
|---|---|---|---|---|---|---|
2676
CALL
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.37B
| $944K | ﹤0.01% |
22,200
+11,000
| +98% | +$536K |
|
|
AAWW
2677
PUT
DELISTED
Atlas Air Worldwide Holdings, Inc.
AAWW
| $944K | ﹤0.01% |
15,300
-4,000
| -21% | -$273K |
|
2678
PUT
Bausch + Lomb
BLCO
$5.8B
| $943K | ﹤0.01% |
+61,900
| New | +$1M |
|
2679
HDFC Bank
HDB
$119B
| $943K | ﹤0.01% |
34,336
+3,340
| +11% | +$94.2K |
|
2680
L3Harris
LHX
$56.5B
| $942K | ﹤0.01% |
3,900
+3,696
| +1,812% | +$892K |
|
2681
CALL
Omnicom Group
OMC
$23.5B
| $941K | ﹤0.01% |
14,800
-19,100
| -56% | -$1.41M |
|
|
HA
2682
CALL
DELISTED
Hawaiian Holdings, Inc.
HA
| $940K | ﹤0.01% |
65,700
-45,800
| -41% | -$765K |
|
2683
Bloom Energy
BE
$53.5B
| $938K | ﹤0.01% |
56,892
+38,960
| +217% | +$713K |
|
2684
CALL
Element Solutions
ESI
$9.22B
| $938K | ﹤0.01% |
52,700
+17,600
| +50% | +$357K |
|
2685
PUT
Grab
GRAB
$13.7B
| $938K | ﹤0.01% |
370,900
+256,500
| +224% | +$736K |
|
|
EDR
2686
DELISTED
Endeavor Group Holdings, Inc.
EDR
| $938K | ﹤0.01% |
+45,647
| New | +$1.04M |
|
2687
PUT
Manchester United
MANU
$3.96B
| $937K | ﹤0.01% |
84,300
-252,900
| -75% | -$3.28M |
|
2688
Rogers Corp
ROG
$2.31B
| $937K | ﹤0.01% |
3,578
+2,268
| +173% | +$603K |
|
2689
CALL
STAG Industrial
STAG
$7.77B
| $935K | ﹤0.01% |
30,300
+15,900
| +110% | +$564K |
|
|
APPH
2690
CALL
DELISTED
AppHarvest, Inc. Common Stock
APPH
| $934K | ﹤0.01% |
267,700
+46,700
| +21% | +$167K |
|
|
VBTX
2691
CALL
DELISTED
Veritex Holdings
VBTX
| $933K | ﹤0.01% |
31,900
-2,000
| -6% | -$66.6K |
|
2692
CALL
Nektar Therapeutics
NKTR
$2.41B
| $932K | ﹤0.01% |
16,367
+9,854
| +151% | +$622K |
|
2693
CALL
Arcus Biosciences
RCUS
$3.5B
| $932K | ﹤0.01% |
36,800
+36,700
| +36,700% | +$899K |
|
|
NARI
2694
CALL
DELISTED
Inari Medical, Inc. Common Stock
NARI
| $931K | ﹤0.01% |
13,700
-5,600
| -29% | -$402K |
|
2695
Labcorp
LH
$24.7B
| $930K | ﹤0.01% |
4,620
+2,708
| +142% | +$577K |
|
2696
CALL
Tenet Healthcare
THC
$21B
| $930K | ﹤0.01% |
17,700
-8,300
| -32% | -$578K |
|
|
RFP
2697
PUT
DELISTED
Resolute Forest Products Inc.
RFP
| $930K | ﹤0.01% |
72,900
-28,600
| -28% | -$395K |
|
2698
BioMarin Pharmaceuticals
BMRN
$11.6B
| $929K | ﹤0.01% |
11,222
+280
| +3% | +$22.3K |
|
2699
Ryder
R
$10.3B
| $929K | ﹤0.01% |
+13,074
| New | +$959K |
|
2700
CALL
AST SpaceMobile
ASTS
$17.4B
| $928K | ﹤0.01% |
147,800
-8,900
| -6% | -$69.7K |
|
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.