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 | |
|---|---|---|---|---|---|---|
2451
ProShares VIX Short-Term Futures ETF
VIXY
$209M
| $1.16M | ﹤0.01% |
3,179
+2,815
| +773% | +$1.03M |
|
2452
PUT
Frontline
FRO
$8.59B
| $1.16M | ﹤0.01% |
130,900
+78,600
| +150% | +$711K |
|
2453
PUT
Waters Corp
WAT
$36.4B
| $1.16M | ﹤0.01% |
3,500
-11,400
| -77% | -$3.62M |
|
2454
PUT
Gogo Inc
GOGO
$540M
| $1.16M | ﹤0.01% |
71,500
-1,400
| -2% | -$26.6K |
|
|
FRGE
2455
CALL
DELISTED
Forge Global Holdings
FRGE
| $1.16M | ﹤0.01% |
+7,407
| New | +$1.99M |
|
2456
PUT
Graphic Packaging
GPK
$3.3B
| $1.16M | ﹤0.01% |
56,400
+47,700
| +548% | +$1.01M |
|
2457
CALL
STAAR Surgical
STAA
$1.14B
| $1.16M | ﹤0.01% |
16,300
+11,100
| +213% | +$715K |
|
2458
CALL
AMN Healthcare
AMN
$1.3B
| $1.15M | ﹤0.01% |
10,500
+4,400
| +72% | +$436K |
|
|
SWN
2459
CALL
DELISTED
Southwestern Energy Company
SWN
| $1.15M | ﹤0.01% |
184,100
+31,800
| +21% | +$246K |
|
2460
Alamos Gold
AGI
$12.5B
| $1.15M | ﹤0.01% |
163,793
+68,894
| +73% | +$536K |
|
2461
PUT
Macerich
MAC
$7.41B
| $1.15M | ﹤0.01% |
131,700
+71,500
| +119% | +$864K |
|
2462
CALL
Stride
LRN
$3.83B
| $1.15M | ﹤0.01% |
28,100
-46,000
| -62% | -$1.7M |
|
2463
PUT
Fulgent Genetics
FLGT
$556M
| $1.15M | ﹤0.01% |
21,000
+7,600
| +57% | +$418K |
|
2464
PUT
Starwood Property Trust
STWD
$6.15B
| $1.14M | ﹤0.01% |
54,800
+43,000
| +364% | +$989K |
|
2465
CALL
United Parks & Resorts
PRKS
$2.12B
| $1.14M | ﹤0.01% |
25,900
+7,700
| +42% | +$448K |
|
2466
CALL
Anavex Life Sciences
AVXL
$232M
| $1.14M | ﹤0.01% |
114,100
-66,400
| -37% | -$629K |
|
2467
Plains All American Pipeline
PAA
$17.1B
| $1.14M | ﹤0.01% |
116,304
+99,188
| +580% | +$1.08M |
|
2468
ProShares Trust UltraShort Lehman 7-10 Year Treasury
PST
$10.5M
| $1.14M | ﹤0.01% |
57,800
+3,564
| +7% | +$70.6K |
|
2469
PUT
AllianceBernstein
AB
$3.54B
| $1.14M | ﹤0.01% |
27,400
+7,500
| +38% | +$315K |
|
2470
PUT
United States Brent Oil Fund
BNO
$755M
| $1.14M | ﹤0.01% |
34,800
-2,000
| -5% | -$64.2K |
|
2471
CALL
MidCap Financial Investment
MFIC
$790M
| $1.14M | ﹤0.01% |
105,800
+43,000
| +68% | +$526K |
|
2472
CALL
IPG Photonics
IPGP
$3.81B
| $1.14M | ﹤0.01% |
12,100
+11,400
| +1,629% | +$1.13M |
|
2473
Bunge Global
BG
$22.8B
| $1.14M | ﹤0.01% |
12,522
-11,061
| -47% | -$1.23M |
|
2474
CALL
Krystal Biotech
KRYS
$10.4B
| $1.14M | ﹤0.01% |
17,300
+14,100
| +441% | +$877K |
|
2475
CALL
Uranium Energy
UEC
$4.9B
| $1.14M | ﹤0.01% |
368,700
+212,000
| +135% | +$881K |
|
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.