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 |
Apple
AAPL
|
+$586M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$82.5M |
| 3 |
Intel
INTC
|
+$40.4M |
| 4 |
Invesco QQQ Trust
QQQ
|
+$39.4M |
| 5 |
Uber
UBER
|
+$36.3M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$130M |
| 2 |
Pinduoduo
PDD
|
+$95.7M |
| 3 |
Boeing
BA
|
+$56.2M |
| 4 |
KraneShares CSI China Internet ETF
KWEB
|
+$40.7M |
| 5 |
Microsoft
MSFT
|
+$40.5M |
Sector Composition
| 1 | Technology | 34.29% |
| 2 | Consumer Discretionary | 11.38% |
| 3 | Healthcare | 9.65% |
| 4 | Financials | 6.33% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1301
Immunome
IMNM
$843M
| $66K | ﹤0.01% |
6,280
+4,954
| +374% | +$52.1K |
|
1302
Kulicke & Soffa
KLIC
$2.03B
| $66K | ﹤0.01% |
1,417
+1,076
| +316% | +$50.1K |
|
1303
GraniteShares 2x Short NVDA Daily ETF
NVD
$47.1M
| $66K | ﹤0.01% |
2,220
+1,262
| +132% | +$37.5K |
|
1304
SLR Investment Corp
SLRC
$913M
| $66K | ﹤0.01% |
+4,089
| New | +$66K |
|
1305
Ibotta
IBTA
$774M
| $66K | ﹤0.01% |
1,021
-262
| -20% | -$16.9K |
|
1306
Arbutus Biopharma
ABUS
$939M
| $65K | ﹤0.01% |
19,907
-45,387
| -70% | -$148K |
|
1307
Alignment Healthcare
ALHC
$3.24B
| $65K | ﹤0.01% |
+5,840
| New | +$65K |
|
1308
Allegion
ALLE
$15.2B
| $65K | ﹤0.01% |
503
-699
| -58% | -$90.3K |
|
1309
Gold Royalty Corp
GROY
$635M
| $65K | ﹤0.01% |
54,385
+23,346
| +75% | +$27.9K |
|
1310
Houlihan Lokey
HLI
$14.6B
| $65K | ﹤0.01% |
+375
| New | +$65K |
|
1311
Surmodics
SRDX
$461M
| $65K | ﹤0.01% |
1,647
-1,819
| -52% | -$71.8K |
|
|
SVC
1312
Service Properties Trust
SVC
$486M
| $65K | ﹤0.01% |
25,753
+17,180
| +200% | +$43.4K |
|
1313
Algonquin Power & Utilities
AQN
$4.31B
| $64K | ﹤0.01% |
14,508
-11,024
| -43% | -$48.6K |
|
1314
Gray Television
GTN
$599M
| $64K | ﹤0.01% |
+20,615
| New | +$64K |
|
1315
STAG Industrial
STAG
$6.8B
| $64K | ﹤0.01% |
+1,914
| New | +$64K |
|
1316
Global E Online
GLBE
$6.22B
| $63K | ﹤0.01% |
+1,156
| New | +$63K |
|
1317
Intapp
INTA
$3.73B
| $63K | ﹤0.01% |
+987
| New | +$63K |
|
1318
Outset Medical
OM
$251M
| $63K | ﹤0.01% |
3,789
+2,951
| +352% | +$49.1K |
|
1319
ProShares Ultra Bloomberg Crude Oil
UCO
$348M
| $63K | ﹤0.01% |
2,296
-33,359
| -94% | -$915K |
|
1320
AngioDynamics
ANGO
$445M
| $62K | ﹤0.01% |
+6,805
| New | +$62K |
|
1321
Kratos Defense & Security Solutions
KTOS
$11.4B
| $62K | ﹤0.01% |
2,356
+1,426
| +153% | +$37.5K |
|
1322
VanEck Agribusiness ETF
MOO
$630M
| $62K | ﹤0.01% |
963
-17,133
| -95% | -$1.1M |
|
1323
National Fuel Gas
NFG
$7.95B
| $62K | ﹤0.01% |
1,022
-12,132
| -92% | -$736K |
|
1324
Progress Software
PRGS
$1.85B
| $62K | ﹤0.01% |
953
-10,396
| -92% | -$676K |
|
1325
RingCentral
RNG
$2.83B
| $62K | ﹤0.01% |
+1,786
| New | +$62K |
|