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 | |
|---|---|---|---|---|---|---|
2751
PUT
Alamos Gold
AGI
$12.1B
| $889K | ﹤0.01% |
126,700
+27,600
| +28% | +$215K |
|
2752
PUT
Alliance Resource Partners
ARLP
$3.34B
| $889K | ﹤0.01% |
48,800
+14,400
| +42% | +$261K |
|
2753
PUT
Sixth Street Specialty
TSLX
$1.68B
| $888K | ﹤0.01% |
48,000
+45,700
| +1,987% | +$967K |
|
2754
CALL
Ryanair
RYAAY
$30.9B
| $887K | ﹤0.01% |
33,000
+12,500
| +61% | +$419K |
|
2755
CALL
Sibanye-Stillwater
SBSW
$5.92B
| $886K | ﹤0.01% |
88,900
-149,600
| -63% | -$1.95M |
|
|
DOC
2756
CALL
DELISTED
PHYSICIANS REALTY TRUST
DOC
| $886K | ﹤0.01% |
50,800
+17,300
| +52% | +$305K |
|
2757
PUT
WisdomTree US Total Dividend Fund
DTD
$1.66B
| $885K | ﹤0.01% |
22,900
+16,100
| +237% | +$993K |
|
|
ELME
2758
Elme Communities
ELME
$143M
| $885K | ﹤0.01% |
41,576
-3,809
| -8% | -$90.5K |
|
|
BRG
2759
CALL
DELISTED
Bluerock Residential Growth REIT, Inc.
BRG
| $885K | ﹤0.01% |
33,700
+19,000
| +129% | +$502K |
|
2760
IMAX
IMAX
$2.57B
| $884K | ﹤0.01% |
52,370
+13,873
| +36% | +$226K |
|
2761
PUT
uniQure
QURE
$2.46B
| $883K | ﹤0.01% |
47,400
+5,800
| +14% | +$92.3K |
|
|
QLTB
2762
CALL
DELISTED
ISHARES BAA BA RATED CORP BOND FUND
QLTB
| $881K | ﹤0.01% |
8,400
-100
| -1% | -$10.5K |
|
2763
CALL
Cincinnati Financial
CINF
$28.4B
| $880K | ﹤0.01% |
7,400
-21,300
| -74% | -$2.71M |
|
|
BINI
2764
DELISTED
Bollinger Innovations
BINI
| – | – |
0
| – | – |
|
2765
CALL
Toast
TOST
$18.8B
| $876K | ﹤0.01% |
67,700
+32,900
| +95% | +$545K |
|
2766
CALL
Driven Brands
DRVN
$2.47B
| $875K | ﹤0.01% |
31,800
+21,900
| +221% | +$598K |
|
2767
CALL
Ocugen
OCGN
$410M
| $875K | ﹤0.01% |
385,800
+54,100
| +16% | +$129K |
|
2768
PUT
Vanguard Dividend Appreciation ETF
VIG
$113B
| $875K | ﹤0.01% |
6,100
-9,000
| -60% | -$1.37M |
|
2769
PUT
Abercrombie & Fitch
ANF
$4.62B
| $874K | ﹤0.01% |
51,700
-73,000
| -59% | -$2.01M |
|
2770
Burford Capital
BUR
$960M
| $874K | ﹤0.01% |
86,665
+76,017
| +714% | +$668K |
|
2771
Steris
STE
$22.2B
| $874K | ﹤0.01% |
+4,241
| New | +$956K |
|
2772
PUT
Liberty Media Series A
FWONA
$23.2B
| $873K | ﹤0.01% |
23,605
-209
| -0.9% | -$11.6K |
|
2773
CALL
Grocery Outlet
GO
$925M
| $873K | ﹤0.01% |
20,500
-35,300
| -63% | -$1.29M |
|
2774
PUT
Becton Dickinson
BDX
$45.4B
| $871K | ﹤0.01% |
26,700
-3,845
| -13% | -$976K |
|
2775
CALL
FNB Corp
FNB
$6.79B
| $870K | ﹤0.01% |
80,200
+55,700
| +227% | +$651K |
|
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.