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
| 1 |
Financial Select Sector SPDR Fund
XLF
|
+$42.3M |
| 2 |
Shopify
SHOP
|
+$37.4M |
| 3 |
Verizon
VZ
|
+$34M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Merck
MRK
|
+$28M |
Top Sells
| 1 |
AMC Entertainment Holdings
AMC
|
+$38.3M |
| 2 |
Carnival Corp
CCL
|
+$37.6M |
| 3 |
GE Aerospace
GE
|
+$33M |
| 4 |
Advanced Micro Devices
AMD
|
+$30.6M |
| 5 |
Micron Technology
MU
|
+$28.3M |
Sector Composition
| 1 | Technology | 20.53% |
| 2 | Consumer Discretionary | 13.81% |
| 3 | Healthcare | 11.39% |
| 4 | Communication Services | 7.32% |
| 5 | Industrials | 6.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1451
Schrodinger
SDGR
$1.37B
| $121K | ﹤0.01% |
3,483
-11,471
| -77% | -$399K |
|
1452
West Fraser Timber
WFG
$5.96B
| $121K | ﹤0.01% |
+1,271
| New | +$121K |
|
|
EXPR
1453
DELISTED
Express, Inc.
EXPR
| $121K | ﹤0.01% |
1,966
-9,793
| -83% | -$603K |
|
1454
BlackLine
BL
$3.36B
| $120K | ﹤0.01% |
+1,163
| New | +$120K |
|
|
CMCM
1455
Cheetah Mobile
CMCM
$252M
| $120K | ﹤0.01% |
17,575
+8,593
| +96% | +$58.7K |
|
1456
STAAR Surgical
STAA
$1.37B
| $120K | ﹤0.01% |
1,323
-9,417
| -88% | -$854K |
|
1457
Global X Robotics & Artificial Intelligence ETF
BOTZ
$2.88B
| $118K | ﹤0.01% |
+3,309
| New | +$118K |
|
1458
Boston Properties
BXP
$12.2B
| $118K | ﹤0.01% |
1,030
-5,901
| -85% | -$676K |
|
1459
Fabrinet
FN
$12.8B
| $118K | ﹤0.01% |
998
-5,521
| -85% | -$653K |
|
1460
Imperial Oil
IMO
$46.3B
| $118K | ﹤0.01% |
+3,296
| New | +$118K |
|
1461
Tradr 2X Long Innovation ETFShort Innovation Daily ETF
SARK
$65M
| $118K | ﹤0.01% |
+1,063
| New | +$118K |
|
|
CMRX
1462
DELISTED
Chimerix, Inc.
CMRX
| $118K | ﹤0.01% |
+18,420
| New | +$118K |
|
|
RKLY
1463
DELISTED
Rockley Photonics Holdings Limited
RKLY
| $118K | ﹤0.01% |
+27,203
| New | +$118K |
|
1464
Amplify Seymour Cannabis ETF
CNBS
$101M
| $117K | ﹤0.01% |
693
+680
| +5,231% | +$115K |
|
1465
Cricut
CRCT
$1.4B
| $117K | ﹤0.01% |
+5,337
| New | +$117K |
|
1466
California Water Service
CWT
$2.76B
| $117K | ﹤0.01% |
+1,635
| New | +$117K |
|
1467
Greenlight Captial
GLRE
$426M
| $117K | ﹤0.01% |
15,032
+13,938
| +1,274% | +$108K |
|
1468
V2X
VVX
$1.7B
| $117K | ﹤0.01% |
+2,568
| New | +$117K |
|
1469
Kennametal
KMT
$1.58B
| $116K | ﹤0.01% |
3,251
-1,260
| -28% | -$45K |
|
1470
PDS Biotechnology
PDSB
$54.5M
| $116K | ﹤0.01% |
14,410
+8,136
| +130% | +$65.5K |
|
1471
Rambus
RMBS
$9.26B
| $116K | ﹤0.01% |
+3,978
| New | +$116K |
|
1472
Universal Insurance Holdings
UVE
$719M
| $116K | ﹤0.01% |
6,849
+5,875
| +603% | +$99.5K |
|
1473
ACM Research
ACMR
$1.92B
| $115K | ﹤0.01% |
+4,065
| New | +$115K |
|
1474
Crescent Energy
CRGY
$2.21B
| $115K | ﹤0.01% |
+9,101
| New | +$115K |
|
1475
Gold Royalty Corp
GROY
$650M
| $115K | ﹤0.01% |
23,556
+22,722
| +2,724% | +$111K |
|