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 | Miscellaneous | 97.48% |
| 2 | Technology | 0.84% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Communication Services | 0.32% |
| 5 | Financials | 0.28% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
501
CALL
ON Semiconductor
ON
$29B
| $20.2M | 0.02% |
401,200
+86,600
| +28% | +$4.83M |
|
502
CALL
Colgate-Palmolive
CL
$70.8B
| $20.1M | 0.02% |
251,400
-22,200
| -8% | -$1.74M |
|
|
VMW
503
PUT
DELISTED
VMware, Inc
VMW
| $20M | 0.02% |
175,900
+83,700
| +91% | +$9.5M |
|
504
Newmont
NEM
$135B
| $20M | 0.02% |
335,924
+302,449
| +904% | +$21.4M |
|
|
B
505
PUT
Barrick Mining
B
$73.7B
| $19.8M | 0.02% |
1,121,400
-164,600
| -13% | -$3.57M |
|
506
PUT
Petrobras
PBR
$130B
| $19.7M | 0.02% |
1,690,600
-118,300
| -7% | -$1.64M |
|
507
PUT
Novavax
NVAX
$1.69B
| $19.6M | 0.02% |
381,500
-48,900
| -11% | -$2.53M |
|
508
PUT
MetLife
MET
$62B
| $19.5M | 0.02% |
310,300
-56,400
| -15% | -$3.73M |
|
509
CALL
Duke Energy
DUK
$93.7B
| $19.5M | 0.02% |
181,500
+52,800
| +41% | +$5.81M |
|
510
PUT
Dick's Sporting Goods
DKS
$12.4B
| $19.5M | 0.02% |
258,100
+110,900
| +75% | +$9.86M |
|
511
PUT
Capital One
COF
$135B
| $19.4M | 0.02% |
186,600
-106,000
| -36% | -$13M |
|
512
PUT
Dollar Tree
DLTR
$24.7B
| $19.3M | 0.02% |
124,100
-17,000
| -12% | -$2.69M |
|
513
PUT
Cloudflare
NET
$99.3B
| $19.3M | 0.02% |
440,400
+39,300
| +10% | +$2.83M |
|
514
PUT
Lennar Class A
LEN
$20.1B
| $19.1M | 0.02% |
279,220
+102,577
| +58% | +$7.52M |
|
515
PUT
Mondelez International
MDLZ
$78.2B
| $19.1M | 0.02% |
307,100
-28,600
| -9% | -$1.81M |
|
516
CALL
Bank of Montreal
BMO
$122B
| $19M | 0.02% |
197,500
+27,700
| +16% | +$2.94M |
|
517
PUT
CME Group
CME
$101B
| $19M | 0.02% |
92,700
+75,800
| +449% | +$16.1M |
|
518
CALL
Norwegian Cruise Line
NCLH
$7.15B
| $18.9M | 0.02% |
1,699,400
+686,100
| +68% | +$11.5M |
|
|
DISH
519
PUT
DELISTED
DISH Network Corp.
DISH
| $18.9M | 0.02% |
1,052,700
+599,100
| +132% | +$14.5M |
|
520
CALL
Lumen
LUMN
$6.98B
| $18.9M | 0.02% |
1,729,800
+323,700
| +23% | +$3.63M |
|
521
PUT
Suncor Energy
SU
$78.8B
| $18.8M | 0.02% |
537,100
+215,400
| +67% | +$7.84M |
|
522
PUT
Fidelity National Information Services
FIS
$21.6B
| $18.8M | 0.02% |
205,200
+72,600
| +55% | +$7.21M |
|
|
FISV
523
CALL
Fiserv Inc
FISV
$28.2B
| $18.8M | 0.02% |
211,200
-22,800
| -10% | -$2.21M |
|
524
PUT
Darden Restaurants
DRI
$24.6B
| $18.8M | 0.02% |
165,900
+75,600
| +84% | +$9.44M |
|
525
CALL
Dow Inc
DOW
$21.3B
| $18.7M | 0.02% |
362,200
+12,400
| +4% | +$794K |
|
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's Q2 2022 filing shows 1,404 new, 4,026 increased, 4,284 reduced and 1,790 closed positions. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $51.5M.
By sector, the portfolio is most concentrated in Miscellaneous at 97% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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 1,404 new positions and closed 1,790 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.