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 |
Energy Select Sector SPDR Fund
XLE
|
+$93.9M |
| 2 |
Pfizer
PFE
|
+$89.5M |
| 3 |
Boeing
BA
|
+$66.7M |
| 4 |
Intel
INTC
|
+$60.2M |
| 5 |
Meta Platforms (Facebook)
META
|
+$52.5M |
Top Sells
| 1 |
NVIDIA
NVDA
|
+$146M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$109M |
| 3 |
Alibaba
BABA
|
+$81.8M |
| 4 |
Walt Disney
DIS
|
+$80.2M |
| 5 |
Citigroup
C
|
+$55.3M |
Sector Composition
| 1 | Technology | 19.03% |
| 2 | Healthcare | 13.86% |
| 3 | Consumer Discretionary | 12.44% |
| 4 | Industrials | 8.48% |
| 5 | Communication Services | 7.95% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1301
Unisys
UIS
$290M
| $73K | ﹤0.01% |
14,993
+12,445
| +488% | +$60.6K |
|
1302
Amcor
AMCR
$19.2B
| $72K | ﹤0.01% |
7,658
+6
| +0.1% | +$56 |
|
1303
Cognyte Software
CGNT
$622M
| $72K | ﹤0.01% |
8,808
+4,216
| +92% | +$34.5K |
|
1304
Forge Global Holdings
FRGE
$243M
| $72K | ﹤0.01% |
+2,490
| New | +$72K |
|
1305
Mirum Pharmaceuticals
MIRM
$3.78B
| $72K | ﹤0.01% |
2,887
-3,140
| -52% | -$78.3K |
|
1306
Seanergy Maritime Holdings
SHIP
$190M
| $72K | ﹤0.01% |
8,352
-9,605
| -53% | -$82.8K |
|
1307
Actinium Pharmaceuticals
ATNM
$51.5M
| $71K | ﹤0.01% |
9,071
-8,018
| -47% | -$62.8K |
|
1308
Brookfield Infrastructure
BIPC
$4.89B
| $71K | ﹤0.01% |
1,971
+1,842
| +1,428% | +$66.4K |
|
1309
Protara Therapeutics
TARA
$124M
| $71K | ﹤0.01% |
+17,850
| New | +$71K |
|
1310
Tradr TSLA Bear Daily ETF
TSLQ
$262M
| $71K | ﹤0.01% |
+310
| New | +$71K |
|
1311
Ventyx Biosciences
VTYX
$170M
| $71K | ﹤0.01% |
13,044
+941
| +8% | +$5.12K |
|
1312
Chegg
CHGG
$182M
| $69K | ﹤0.01% |
+9,129
| New | +$69K |
|
|
CRESY
1313
Cresud
CRESY
$531M
| $69K | ﹤0.01% |
7,763
-36,465
| -82% | -$324K |
|
1314
Enlivex Therapeutics
ENLV
$25.1M
| $69K | ﹤0.01% |
+18,261
| New | +$69K |
|
1315
Everspin Technologies
MRAM
$184M
| $69K | ﹤0.01% |
8,805
+8,070
| +1,098% | +$63.2K |
|
1316
Resources Connection
RGP
$183M
| $69K | ﹤0.01% |
5,259
+3,351
| +176% | +$44K |
|
1317
Shattuck Labs
STTK
$107M
| $69K | ﹤0.01% |
+7,790
| New | +$69K |
|
1318
Insperity
NSP
$1.94B
| $68K | ﹤0.01% |
+622
| New | +$68K |
|
1319
Tredegar Corp
TG
$284M
| $68K | ﹤0.01% |
10,539
+6,105
| +138% | +$39.4K |
|
1320
FLEX LNG
FLNG
$1.36B
| $67K | ﹤0.01% |
2,652
-26,522
| -91% | -$670K |
|
1321
Schwab Fundamental US Small Company Index ETF
FNDA
$9.13B
| $67K | ﹤0.01% |
+2,384
| New | +$67K |
|
1322
Gain Therapeutics
GANX
$61.1M
| $67K | ﹤0.01% |
+17,983
| New | +$67K |
|
1323
Gladstone Capital
GLAD
$526M
| $67K | ﹤0.01% |
+3,133
| New | +$67K |
|
1324
NerdWallet
NRDS
$857M
| $67K | ﹤0.01% |
4,612
-10,458
| -69% | -$152K |
|
1325
Nurix Therapeutics
NRIX
$686M
| $67K | ﹤0.01% |
4,625
+4,558
| +6,803% | +$66K |
|