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 | |
|---|---|---|---|---|---|---|
401
CALL
Petrobras
PBR
$130B
| $31.4M | 0.03% |
2,122,700
-419,400
| -16% | -$5.62M |
|
402
CALL
AstraZeneca
AZN
$252B
| $31.4M | 0.03% |
236,750
+138,850
| +142% | +$16.7M |
|
403
CALL
Match Group
MTCH
$9.61B
| $31.3M | 0.03% |
287,500
+80,800
| +39% | +$8.92M |
|
404
CALL
Lam Research
LRCX
$385B
| $31M | 0.03% |
577,000
+122,000
| +27% | +$7.1M |
|
405
CALL
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$244M
| $31M | 0.03% |
2,465,600
-1,029,200
| -29% | -$32.1M |
|
406
CALL
Cameco
CCJ
$43.9B
| $31M | 0.03% |
1,064,100
+12,700
| +1% | +$298K |
|
407
PUT
Cigna
CI
$74.7B
| $30.8M | 0.03% |
128,700
+47,700
| +59% | +$11.2M |
|
408
CALL
eBay
EBAY
$46B
| $30.5M | 0.03% |
533,200
+63,600
| +14% | +$3.7M |
|
409
CALL
Philip Morris
PM
$284B
| $30.5M | 0.03% |
324,900
+209,100
| +181% | +$20.9M |
|
|
WBA
410
PUT
DELISTED
Walgreens Boots Alliance
WBA
| $30.3M | 0.03% |
676,700
+93,200
| +16% | +$4.58M |
|
411
CALL
3M
MMM
$86.9B
| $30.2M | 0.03% |
242,908
-94,723
| -28% | -$12.6M |
|
412
PUT
Marriott International
MAR
$87.8B
| $30.2M | 0.03% |
171,900
-147,900
| -46% | -$24.6M |
|
413
CALL
SoFi Technologies
SOFI
$23.5B
| $30.1M | 0.03% |
3,187,900
+1,737,600
| +120% | +$20M |
|
414
PUT
Teck Resources
TECK
$33.9B
| $30.1M | 0.03% |
745,700
+537,300
| +258% | +$19.2M |
|
415
CALL
D.R. Horton
DHI
$39.9B
| $29.9M | 0.03% |
401,000
+154,900
| +63% | +$13.4M |
|
416
PUT
Akamai
AKAM
$15.1B
| $29.8M | 0.03% |
250,000
+136,000
| +119% | +$15.3M |
|
417
Meta Platforms (Facebook)
META
$1.57T
| $29.4M | 0.03% |
132,201
+131,871
| +39,961% | +$33M |
|
418
CALL
Marathon Digital Holdings
MARA
$4.37B
| $29.4M | 0.03% |
1,050,600
+96,000
| +10% | +$2.5M |
|
419
CALL
American Tower
AMT
$81.9B
| $29.2M | 0.03% |
116,300
+42,000
| +57% | +$10.2M |
|
420
CALL
Hilton Worldwide
HLT
$70B
| $29.1M | 0.03% |
192,000
+77,400
| +68% | +$11.4M |
|
421
CALL
Accenture
ACN
$114B
| $29M | 0.03% |
85,900
+25,300
| +42% | +$8.53M |
|
422
CALL
Plug Power
PLUG
$3.03B
| $28.7M | 0.03% |
1,004,100
-181,800
| -15% | -$4.33M |
|
423
PUT
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$111M
| $28.6M | 0.03% |
863,900
+522,600
| +153% | +$13.4M |
|
424
PUT
Pinduoduo
PDD
$117B
| $28.5M | 0.03% |
711,300
+339,400
| +91% | +$17.4M |
|
|
425
CALL
Marriott International
MAR
$87.8B
| $28.5M | 0.03% |
162,000
+77,500
| +92% | +$12.9M |
|
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.