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
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 97.72% |
| 2 | Technology | 0.67% |
| 3 | Consumer Discretionary | 0.38% |
| 4 | Industrials | 0.24% |
| 5 | Healthcare | 0.22% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
PLAN
1526
CALL
DELISTED
Anaplan, Inc.
PLAN
| $3.63M | ﹤0.01% |
55,800
+50,400
| +933% | +$2.46M |
|
1527
CALL
Carrier Global
CARR
$49.2B
| $3.62M | ﹤0.01% |
79,000
+5,900
| +8% | +$278K |
|
1528
PUT
Brookfield Renewable
BEPC
$5.89B
| $3.62M | ﹤0.01% |
82,700
+6,600
| +9% | +$244K |
|
1529
CALL
Jabil
JBL
$32.5B
| $3.62M | ﹤0.01% |
58,600
-2,200
| -4% | -$136K |
|
|
CORZ
1530
CALL
DELISTED
Core Scientific, Inc. Common Stock
CORZ
| $3.62M | ﹤0.01% |
439,400
+44,900
| +11% | +$397K |
|
1531
PUT
Schwab US Broad Market ETF
SCHB
$44.8B
| $3.61M | ﹤0.01% |
144,600
+48,600
| +51% | +$853K |
|
1532
CALL
W.W. Grainger
GWW
$62.4B
| $3.61M | ﹤0.01% |
7,000
+4,400
| +169% | +$2.16M |
|
1533
CALL
Ally Financial
ALLY
$13.3B
| $3.61M | ﹤0.01% |
83,000
-172,500
| -68% | -$8.15M |
|
1534
PUT
Warby Parker
WRBY
$3.01B
| $3.61M | ﹤0.01% |
106,700
+105,400
| +8,108% | +$3.41M |
|
|
RBAC
1535
CALL
DELISTED
RedBall Acquisition Corp.
RBAC
| $3.61M | ﹤0.01% |
363,200
-108,500
| -23% | -$1.08M |
|
1536
PUT
Jacobs Solutions
J
$17.1B
| $3.6M | ﹤0.01% |
31,554
-11,969
| -28% | -$1.28M |
|
|
BRSL
1537
Brightstar Lottery PLC
BRSL
$2.06B
| $3.59M | ﹤0.01% |
145,500
+143,016
| +5,757% | +$3.84M |
|
1538
PUT
Harley-Davidson
HOG
$2.95B
| $3.59M | ﹤0.01% |
91,100
-34,200
| -27% | -$1.32M |
|
1539
CALL
FS KKR Capital
FSK
$3.44B
| $3.58M | ﹤0.01% |
157,000
-35,100
| -18% | -$778K |
|
1540
Viatris
VTRS
$19.4B
| $3.58M | ﹤0.01% |
328,745
+69,351
| +27% | +$914K |
|
|
TELL
1541
CALL
DELISTED
Tellurian Inc.
TELL
| $3.57M | ﹤0.01% |
674,500
+214,900
| +47% | +$724K |
|
1542
CALL
Acadia Pharmaceuticals
ACAD
$4.83B
| $3.57M | ﹤0.01% |
147,500
-178,600
| -55% | -$4.32M |
|
1543
CALL
Targa Resources
TRGP
$62.2B
| $3.57M | ﹤0.01% |
47,300
+29,100
| +160% | +$1.84M |
|
1544
PUT
PBF Energy
PBF
$8.81B
| $3.56M | ﹤0.01% |
146,100
+31,500
| +27% | +$595K |
|
1545
CALL
KE Holdings
BEKE
$19.8B
| $3.56M | ﹤0.01% |
287,600
+162,300
| +130% | +$2.89M |
|
1546
PUT
ALPS REIT Dividend Dogs ETF
RDOG
$11.2M
| $3.55M | ﹤0.01% |
92,600
-64,600
| -41% | -$3.22M |
|
1547
CALL
Axalta
AXTA
$7.66B
| $3.54M | ﹤0.01% |
144,200
+32,500
| +29% | +$908K |
|
1548
Generac Holdings
GNRC
$11.1B
| $3.54M | ﹤0.01% |
11,918
-14,786
| -55% | -$4.44M |
|
1549
PUT
Weyerhaeuser
WY
$16.6B
| $3.54M | ﹤0.01% |
93,300
-121,000
| -56% | -$4.8M |
|
1550
PUT
Logitech
LOGI
$14.6B
| $3.53M | ﹤0.01% |
47,900
-8,300
| -15% | -$643K |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading's Q1 2022 filing shows 1,600 new, 4,440 increased, 4,085 reduced and 1,638 closed positions. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M. The largest sale was State Street Financial Select Sector SPDR ETF, an estimated $42.8M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, up from 97% a quarter earlier, followed by Technology and Consumer Discretionary.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,600 new positions and closed 1,638 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.