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 | |
|---|---|---|---|---|---|---|
1376
PUT
Upland Software
UPLD
$12M
| $3.49M | ﹤0.01% |
24,030
+14,090
| +142% | +$2.06M |
|
|
MMP
1377
CALL
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $3.49M | ﹤0.01% |
73,000
+34,200
| +88% | +$1.71M |
|
1378
CALL
Coty
COTY
$2.33B
| $3.48M | ﹤0.01% |
435,200
+209,300
| +93% | +$1.57M |
|
1379
PUT
Moody's
MCO
$81.7B
| $3.48M | ﹤0.01% |
12,800
-16,800
| -57% | -$5.03M |
|
1380
PUT
Aflac
AFL
$63.9B
| $3.48M | ﹤0.01% |
62,900
+1,700
| +3% | +$100K |
|
1381
PUT
Academy Sports + Outdoors
ASO
$2.89B
| $3.48M | ﹤0.01% |
97,900
-164,500
| -63% | -$6.02M |
|
1382
CALL
O'Reilly Automotive
ORLY
$72.4B
| $3.47M | ﹤0.01% |
82,500
+63,000
| +323% | +$2.71M |
|
1383
PUT
Martin Marietta Materials
MLM
$33.6B
| $3.47M | ﹤0.01% |
11,600
+7,400
| +176% | +$2.52M |
|
1384
PUT
UiPath
PATH
$5.62B
| $3.47M | ﹤0.01% |
190,600
-250,800
| -57% | -$4.69M |
|
|
SGFY
1385
CALL
DELISTED
Signify Health, Inc.
SGFY
| $3.47M | ﹤0.01% |
251,300
+97,900
| +64% | +$1.38M |
|
1386
ArcelorMittal
MT
$50.4B
| $3.47M | ﹤0.01% |
153,379
-159,652
| -51% | -$4.68M |
|
|
PDCE
1387
PUT
DELISTED
PDC Energy, Inc.
PDCE
| $3.44M | ﹤0.01% |
55,900
+18,200
| +48% | +$1.32M |
|
|
NVRO
1388
CALL
DELISTED
NEVRO CORP.
NVRO
| $3.44M | ﹤0.01% |
78,400
+11,200
| +17% | +$616K |
|
1389
PUT
Morningstar
MORN
$6.56B
| $3.43M | ﹤0.01% |
14,200
+14,000
| +7,000% | +$3.53M |
|
1390
Clorox
CLX
$11.6B
| $3.43M | ﹤0.01% |
24,333
+11,508
| +90% | +$1.64M |
|
1391
PUT
ALPS REIT Dividend Dogs ETF
RDOG
$11.6M
| $3.43M | ﹤0.01% |
99,500
+6,900
| +7% | +$319K |
|
1392
CALL
Clearway Energy Class C
CWEN
$5B
| $3.42M | ﹤0.01% |
98,300
+86,900
| +762% | +$2.93M |
|
1393
Dick's Sporting Goods
DKS
$18.4B
| $3.41M | ﹤0.01% |
+45,193
| New | +$4.02M |
|
1394
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$247M
| $3.4M | ﹤0.01% |
110,356
-22,764
| -17% | -$1.02M |
|
1395
CALL
Shake Shack
SHAK
$2.3B
| $3.39M | ﹤0.01% |
85,800
+22,200
| +35% | +$1.13M |
|
1396
CALL
AGCO
AGCO
$8.78B
| $3.38M | ﹤0.01% |
34,300
+4,000
| +13% | +$498K |
|
1397
Medtronic
MDT
$107B
| $3.38M | ﹤0.01% |
37,724
-70,502
| -65% | -$7.14M |
|
1398
Direxion Daily FTSE China Bull 3X ETF
YINN
$660M
| $3.38M | ﹤0.01% |
34,254
+6,999
| +26% | +$577K |
|
1399
PUT
Westlake Corp
WLK
$9.46B
| $3.37M | ﹤0.01% |
34,400
+2,800
| +9% | +$343K |
|
1400
Steel Dynamics
STLD
$35.6B
| $3.37M | ﹤0.01% |
50,927
+14,892
| +41% | +$1.19M |
|
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.