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 | |
|---|---|---|---|---|---|---|
|
CHX
2376
CALL
DELISTED
ChampionX
CHX
| $1.26M | ﹤0.01% |
63,300
+21,900
| +53% | +$495K |
|
|
ERF
2377
PUT
DELISTED
Enerplus Corporation
ERF
| $1.25M | ﹤0.01% |
94,900
-7,500
| -7% | -$103K |
|
2378
CALL
Blackbaud
BLKB
$1.59B
| $1.25M | ﹤0.01% |
21,600
+17,800
| +468% | +$1.03M |
|
2379
Palo Alto Networks
PANW
$259B
| $1.25M | ﹤0.01% |
+15,204
| New | +$1.35M |
|
|
AMED
2380
PUT
DELISTED
Amedisys
AMED
| $1.25M | ﹤0.01% |
11,900
-13,300
| -53% | -$1.7M |
|
2381
PUT
Acadia Pharmaceuticals
ACAD
$4.35B
| $1.25M | ﹤0.01% |
88,700
+39,700
| +81% | +$741K |
|
2382
CALL
ING
ING
$95.7B
| $1.25M | ﹤0.01% |
125,900
+60,400
| +92% | +$617K |
|
|
SAND
2383
CALL
DELISTED
Sandstorm Gold
SAND
| $1.25M | ﹤0.01% |
209,900
+28,100
| +15% | +$200K |
|
2384
PUT
SandRidge Energy
SD
$495M
| $1.25M | ﹤0.01% |
79,700
-77,500
| -49% | -$1.55M |
|
2385
PUT
Cheesecake Factory
CAKE
$4.32B
| $1.25M | ﹤0.01% |
47,200
+18,300
| +63% | +$608K |
|
2386
PUT
Camtek
CAMT
$7.07B
| $1.25M | ﹤0.01% |
50,200
+48,900
| +3,762% | +$1.4M |
|
2387
PUT
FuboTV Inc
FUBO
$255M
| $1.25M | ﹤0.01% |
42,067
-6,175
| -13% | -$288K |
|
|
SQSP
2388
CALL
DELISTED
Squarespace, Inc.
SQSP
| $1.24M | ﹤0.01% |
59,500
+43,000
| +261% | +$923K |
|
2389
HealthEquity
HQY
$8.28B
| $1.24M | ﹤0.01% |
20,232
-73,620
| -78% | -$4.72M |
|
2390
PUT
Inspire Medical Systems
INSP
$1.47B
| $1.24M | ﹤0.01% |
6,800
+4,200
| +162% | +$838K |
|
2391
Innovative Industrial Properties
IIPR
$1.78B
| $1.24M | ﹤0.01% |
11,304
+10,133
| +865% | +$1.44M |
|
2392
American Eagle Outfitters
AEO
$2.98B
| $1.24M | ﹤0.01% |
+110,987
| New | +$1.57M |
|
|
PTR
2393
PUT
DELISTED
PETROCHINA COMPANY LIMITED ADS (REP 100 H SHARES)
PTR
| $1.24M | ﹤0.01% |
26,600
-8,800
| -25% | -$444K |
|
2394
PUT
Illinois Tool Works
ITW
$81.9B
| $1.24M | ﹤0.01% |
6,800
-1,600
| -19% | -$320K |
|
2395
PUT
Alpha Pro Tech
APT
$50.6M
| $1.24M | ﹤0.01% |
277,000
+34,700
| +14% | +$148K |
|
2396
PUT
UBS Group
UBS
$172B
| $1.24M | ﹤0.01% |
76,200
-605,400
| -89% | -$10.6M |
|
2397
Xcel Energy
XEL
$50.4B
| $1.24M | ﹤0.01% |
+17,463
| New | +$1.27M |
|
2398
ICL Group
ICL
$6.67B
| $1.23M | ﹤0.01% |
135,471
-66,689
| -33% | -$737K |
|
|
LHCG
2399
PUT
DELISTED
LHC Group LLC
LHCG
| $1.23M | ﹤0.01% |
7,900
+7,500
| +1,875% | +$1.24M |
|
2400
CALL
Pinnacle West Capital
PNW
$12.8B
| $1.23M | ﹤0.01% |
16,800
+9,300
| +124% | +$696K |
|
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.