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 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
FLNA
1426
CALL
Filana Therapeutics
FLNA
$43.9M
| $4.05M | ﹤0.01% |
109,100
-88,600
| -45% | -$3.75M |
|
1427
Affirm
AFRM
$23.8B
| $4.05M | ﹤0.01% |
87,465
-143,772
| -62% | -$7.52M |
|
1428
PUT
First Trust Natural Gas ETF
FCG
$635M
| $4.05M | ﹤0.01% |
26,800
-11,000
| -29% | -$231K |
|
1429
PUT
Advance Auto Parts
AAP
$3.29B
| $4.04M | ﹤0.01% |
19,500
-15,500
| -44% | -$3.41M |
|
1430
CALL
Lamb Weston
LW
$6.8B
| $4.03M | ﹤0.01% |
67,300
-65,600
| -49% | -$4.08M |
|
1431
PUT
Yum China
YUMC
$14.8B
| $4.03M | ﹤0.01% |
96,900
+64,500
| +199% | +$3.04M |
|
1432
PUT
West Pharmaceutical
WST
$23.8B
| $4.02M | ﹤0.01% |
9,800
-5,000
| -34% | -$1.96M |
|
1433
AutoZone
AZO
$47.9B
| $4.02M | ﹤0.01% |
1,966
+1,194
| +155% | +$2.33M |
|
1434
PUT
CME Group
CME
$91.2B
| $4.02M | ﹤0.01% |
16,900
-36,200
| -68% | -$8.5M |
|
1435
CALL
Xcel Energy
XEL
$50.9B
| $4.02M | ﹤0.01% |
55,700
+5,500
| +11% | +$378K |
|
1436
PUT
United Therapeutics
UTHR
$26.4B
| $4.02M | ﹤0.01% |
22,400
+22,000
| +5,500% | +$4.19M |
|
1437
CALL
XP
XP
$8.7B
| $4.01M | ﹤0.01% |
133,400
-44,200
| -25% | -$1.38M |
|
1438
CALL
Hershey
HSY
$35.5B
| $4.01M | ﹤0.01% |
18,500
-800
| -4% | -$162K |
|
1439
Pinterest
PINS
$12.5B
| $4M | ﹤0.01% |
162,607
-161,245
| -50% | -$4.4M |
|
1440
PUT
BRC Inc
BRCC
$130M
| $4M | ﹤0.01% |
+191,600
| New | +$3.38M |
|
1441
CALL
FuelCell Energy
FCEL
$1.76B
| $3.99M | ﹤0.01% |
23,110
-660
| -3% | -$105K |
|
1442
PUT
Abercrombie & Fitch
ANF
$4.19B
| $3.99M | ﹤0.01% |
124,700
+25,700
| +26% | +$891K |
|
1443
PUT
McCormick & Company Non-Voting
MKC
$13.5B
| $3.98M | ﹤0.01% |
39,900
+30,300
| +316% | +$2.96M |
|
|
P
1444
PUT
Everpure Inc
P
$25B
| $3.98M | ﹤0.01% |
112,800
+500
| +0.4% | +$14.6K |
|
|
ARCH
1445
PUT
DELISTED
Arch Resources, Inc.
ARCH
| $3.97M | ﹤0.01% |
28,900
+19,400
| +204% | +$2.3M |
|
|
CGC
1446
CALL
Canopy Growth
CGC
$375M
| $3.96M | ﹤0.01% |
52,290
+9,250
| +21% | +$705K |
|
1447
CALL
Star Bulk Carriers
SBLK
$3.14B
| $3.96M | ﹤0.01% |
133,500
-56,800
| -30% | -$1.49M |
|
1448
Dow Inc
DOW
$21.5B
| $3.96M | ﹤0.01% |
62,134
-221
| -0.4% | -$13.3K |
|
1449
CALL
Crown Castle
CCI
$33.1B
| $3.95M | ﹤0.01% |
21,400
-73,500
| -77% | -$13.1M |
|
1450
CALL
NovoCure
NVCR
$2.17B
| $3.94M | ﹤0.01% |
47,600
+11,100
| +30% | +$818K |
|
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 deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- 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 1,603 new positions and closed 1,637 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.