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 |
NVIDIA
NVDA
|
+$216M |
| 2 |
Apple
AAPL
|
+$159M |
| 3 |
Broadcom
AVGO
|
+$128M |
| 4 |
Booking.com
BKNG
|
+$62.2M |
| 5 |
SPDR S&P 500 ETF Trust
SPY
|
+$61.9M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$141M |
| 2 |
Amazon
AMZN
|
+$53.1M |
| 3 |
TSMC
TSM
|
+$45.7M |
| 4 |
Netflix
NFLX
|
+$45.3M |
| 5 |
Pfizer
PFE
|
+$38.3M |
Sector Composition
| 1 | Technology | 34.74% |
| 2 | Communication Services | 9% |
| 3 | Consumer Discretionary | 8.67% |
| 4 | Healthcare | 8.07% |
| 5 | Financials | 6.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
ILPT
1276
Industrial Logistics Properties Trust
ILPT
$417M
| $75K | ﹤0.01% |
+16,588
| New | +$75K |
|
1277
Pricesmart
PSMT
$3.5B
| $75K | ﹤0.01% |
+719
| New | +$75K |
|
1278
Global X SuperDividend ETF
SDIV
$964M
| $75K | ﹤0.01% |
+3,350
| New | +$75K |
|
1279
TD Synnex
SNX
$12.5B
| $75K | ﹤0.01% |
557
-1,894
| -77% | -$255K |
|
1280
Roundhill Bitcoin Covered Call Strategy ETF
YBTC
$312M
| $75K | ﹤0.01% |
+1,620
| New | +$75K |
|
|
ELME
1281
Elme Communities
ELME
$1.5B
| $74K | ﹤0.01% |
+4,666
| New | +$74K |
|
1282
Ero Copper
ERO
$1.75B
| $74K | ﹤0.01% |
4,404
-11,589
| -72% | -$195K |
|
1283
The RMR Group
RMR
$287M
| $74K | ﹤0.01% |
4,582
+2,307
| +101% | +$37.3K |
|
1284
Sphere Entertainment
SPHR
$2.06B
| $74K | ﹤0.01% |
1,782
-17,247
| -91% | -$716K |
|
1285
Dream Finders Homes
DFH
$2.67B
| $73K | ﹤0.01% |
2,931
+975
| +50% | +$24.3K |
|
1286
First Bancorp
FNLC
$300M
| $73K | ﹤0.01% |
+2,894
| New | +$73K |
|
1287
Gulfport Energy Corp
GPOR
$3.08B
| $73K | ﹤0.01% |
+363
| New | +$73K |
|
1288
Hartford Financial Services
HIG
$37.4B
| $73K | ﹤0.01% |
+582
| New | +$73K |
|
1289
LoveSac
LOVE
$254M
| $73K | ﹤0.01% |
4,052
+2,372
| +141% | +$42.7K |
|
1290
Nuvation Bio
NUVB
$1.08B
| $73K | ﹤0.01% |
37,654
+26,707
| +244% | +$51.8K |
|
1291
US Gold Corp
USAU
$220M
| $73K | ﹤0.01% |
+6,052
| New | +$73K |
|
1292
Vanguard World Funds Extended Duration ETF
EDV
$3.72B
| $72K | ﹤0.01% |
1,082
-4,314
| -80% | -$287K |
|
1293
WisdomTree India Earnings Fund ETF
EPI
$2.94B
| $72K | ﹤0.01% |
1,524
-11,762
| -89% | -$556K |
|
1294
Red Robin
RRGB
$119M
| $72K | ﹤0.01% |
+12,572
| New | +$72K |
|
1295
Andersons Inc
ANDE
$1.39B
| $71K | ﹤0.01% |
+1,947
| New | +$71K |
|
1296
Amplify Transformational Data Sharing ETF
BLOK
$1.25B
| $71K | ﹤0.01% |
+1,259
| New | +$71K |
|
1297
iShares MSCI Australia ETF
EWA
$1.55B
| $71K | ﹤0.01% |
+2,723
| New | +$71K |
|
1298
Lakeland Industries
LAKE
$143M
| $71K | ﹤0.01% |
5,231
+5,212
| +27,432% | +$70.7K |
|
1299
Reliance Steel & Aluminium
RS
$15.4B
| $71K | ﹤0.01% |
227
+165
| +266% | +$51.6K |
|
1300
SoundThinking
SSTI
$160M
| $71K | ﹤0.01% |
5,510
+3,952
| +254% | +$50.9K |
|