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 | |
|---|---|---|---|---|---|---|
451
CALL
Archer Daniels Midland
ADM
$40.8B
| $25.8M | 0.02% |
285,900
+198,400
| +227% | +$15.5M |
|
452
PUT
MetLife
MET
$62B
| $25.8M | 0.02% |
366,700
+10,200
| +3% | +$690K |
|
453
CALL
Capital One
COF
$135B
| $25.8M | 0.02% |
196,200
+24,000
| +14% | +$3.5M |
|
454
CALL
Dollar Tree
DLTR
$24.7B
| $25.7M | 0.02% |
160,700
+63,100
| +65% | +$8.93M |
|
455
CALL
First Solar
FSLR
$22B
| $25.6M | 0.02% |
305,500
-8,700
| -3% | -$666K |
|
456
PUT
Travelers Companies
TRV
$77B
| $25.5M | 0.02% |
139,700
+127,000
| +1,000% | +$21.8M |
|
457
CALL
Spotify
SPOT
$112B
| $25.4M | 0.02% |
168,000
+68,600
| +69% | +$11.7M |
|
458
PUT
Vertex Pharmaceuticals
VRTX
$138B
| $25.4M | 0.02% |
97,200
+11,300
| +13% | +$2.68M |
|
459
PUT
Invesco CurrencyShares Euro Currency Trust
FXE
$370M
| $25.3M | 0.02% |
247,100
+159,700
| +183% | +$16.6M |
|
460
CALL
Southwest Airlines
LUV
$19.4B
| $25.2M | 0.02% |
549,800
-877,900
| -61% | -$38.6M |
|
461
PUT
Shell
SHEL
$266B
| $25M | 0.02% |
+455,900
| New | +$24.2M |
|
462
PUT
Altria Group
MO
$115B
| $24.9M | 0.02% |
477,100
+107,500
| +29% | +$5.48M |
|
463
PUT
Biogen
BIIB
$32.6B
| $24.8M | 0.02% |
117,900
+23,700
| +25% | +$5.15M |
|
|
SCIU
464
PUT
DELISTED
Global X Scientific Beta US ETF
SCIU
| $24.8M | 0.02% |
795,200
-254,800
| -24% | -$7.95M |
|
465
PUT
Futu Holdings
FUTU
$17.1B
| $24.6M | 0.02% |
756,500
-348,900
| -32% | -$14M |
|
466
CALL
Equifax
EFX
$20.8B
| $24.6M | 0.02% |
103,800
+91,000
| +711% | +$21.4M |
|
467
CALL
Tilray
TLRY
$619M
| $24.5M | 0.02% |
315,940
+68,080
| +27% | +$4.26M |
|
468
PUT
Automatic Data Processing
ADP
$110B
| $24.5M | 0.02% |
107,800
-21,200
| -16% | -$4.54M |
|
469
NIO
NIO
$9.52B
| $24.4M | 0.02% |
1,159,461
-76,387
| -6% | -$1.8M |
|
470
CALL
RH
RH
$2.8B
| $24.4M | 0.02% |
74,700
+48,400
| +184% | +$19.4M |
|
471
CALL
Wynn Resorts
WYNN
$9.43B
| $24.3M | 0.02% |
304,900
-121,300
| -28% | -$10.2M |
|
472
PUT
Zillow
Z
$7.78B
| $24.2M | 0.02% |
491,900
-248,300
| -34% | -$13.3M |
|
473
PUT
BioNTech
BNTX
$26.1B
| $24.2M | 0.02% |
141,700
-7,700
| -5% | -$1.29M |
|
474
CALL
Chewy
CHWY
$9.69B
| $24.1M | 0.02% |
592,100
+277,500
| +88% | +$12.6M |
|
475
CALL
Peloton Interactive
PTON
$2.37B
| $24.1M | 0.02% |
913,700
-287,500
| -24% | -$8.24M |
|
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.