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 | |
|---|---|---|---|---|---|---|
|
PBT
2326
PUT
Permian Basin Royalty Trust
PBT
$1.31B
| $1.31M | ﹤0.01% |
79,100
+45,100
| +133% | +$699K |
|
2327
PUT
Uranium Energy
UEC
$4.85B
| $1.31M | ﹤0.01% |
425,300
-112,600
| -21% | -$468K |
|
|
NEX
2328
DELISTED
NexTier Oilfield Solutions Inc.
NEX
| $1.31M | ﹤0.01% |
137,505
+115,159
| +515% | +$1.21M |
|
2329
CALL
Olin
OLN
$2.51B
| $1.3M | ﹤0.01% |
28,200
-34,200
| -55% | -$1.98M |
|
2330
Global X Uranium ETF
URA
$5.55B
| $1.3M | ﹤0.01% |
70,271
-58,304
| -45% | -$1.31M |
|
2331
PUT
Tencent Music
TME
$15.4B
| $1.3M | ﹤0.01% |
259,600
-457,800
| -64% | -$2.02M |
|
|
SAIL
2332
PUT
DELISTED
SailPoint Technologies Holdings, Inc. Common Stock
SAIL
| $1.3M | ﹤0.01% |
20,800
-1,300
| -6% | -$80.2K |
|
2333
Crocs
CROX
$6.64B
| $1.3M | ﹤0.01% |
26,765
-9,039
| -25% | -$549K |
|
|
BENE
2334
CALL
DELISTED
Benessere Capital Acquisition Corp. Class A Common Stock
BENE
| $1.3M | ﹤0.01% |
126,100
-17,100
| -12% | -$176K |
|
|
NNDM
2335
CALL
Nano Dimension
NNDM
$312M
| $1.3M | ﹤0.01% |
413,900
-25,100
| -6% | -$74.5K |
|
|
OSH
2336
DELISTED
Oak Street Health, Inc.
OSH
| $1.3M | ﹤0.01% |
79,038
+57,330
| +264% | +$1.11M |
|
|
NEWR
2337
PUT
DELISTED
New Relic, Inc.
NEWR
| $1.3M | ﹤0.01% |
25,900
-43,700
| -63% | -$2.43M |
|
|
TEN
2338
CALL
DELISTED
Tenneco Inc. Class A Voting Common Stock
TEN
| $1.29M | ﹤0.01% |
75,500
-24,500
| -25% | -$414K |
|
2339
CALL
StoneCo
STNE
$2.67B
| $1.29M | ﹤0.01% |
168,100
-144,300
| -46% | -$1.38M |
|
2340
PAR Technology
PAR
$684M
| $1.29M | ﹤0.01% |
34,491
-1,967
| -5% | -$70.7K |
|
|
CS
2341
CALL
DELISTED
Credit Suisse Group
CS
| $1.29M | ﹤0.01% |
228,100
-59,400
| -21% | -$403K |
|
2342
PUT
Campbell Soup
CPB
$6.72B
| $1.29M | ﹤0.01% |
26,900
+6,200
| +30% | +$292K |
|
2343
PUT
Ecolab
ECL
$76.4B
| $1.29M | ﹤0.01% |
8,400
+4,800
| +133% | +$796K |
|
2344
CALL
US Foods
USFD
$21.8B
| $1.29M | ﹤0.01% |
42,100
-29,900
| -42% | -$1.01M |
|
|
LTHM
2345
PUT
DELISTED
Livent Corporation
LTHM
| $1.29M | ﹤0.01% |
56,900
+45,700
| +408% | +$1.18M |
|
|
GOL
2346
PUT
DELISTED
Gol Linhas Aéreas Inteligentes S.A. American Depositary Shares (Each representing Ten Preferred Shares)
GOL
| $1.29M | ﹤0.01% |
378,500
+102,400
| +37% | +$580K |
|
|
DOG
2347
ProShares Short Dow30
DOG
$111M
| $1.29M | ﹤0.01% |
+35,581
| New | +$1.23M |
|
|
PCOM
2348
DELISTED
Points.com Inc. Common Shares
PCOM
| $1.29M | ﹤0.01% |
+51,475
| New | +$1.11M |
|
2349
CALL
Greif
GEF
$4.55B
| $1.28M | ﹤0.01% |
20,600
+11,800
| +134% | +$721K |
|
2350
PUT
FMC
FMC
$1.4B
| $1.28M | ﹤0.01% |
12,000
-17,300
| -59% | -$2.11M |
|
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.