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 |
Boeing
BA
|
+$49.5M |
| 2 |
Pinduoduo
PDD
|
+$45.3M |
| 3 |
Microsoft
MSFT
|
+$42.5M |
| 4 |
Apple
AAPL
|
+$33.3M |
| 5 |
Direxion Daily Semiconductor Bull 3X Shares
SOXL
|
+$25.4M |
Top Sells
| 1 |
Broadcom
AVGO
|
+$95.4M |
| 2 |
Citigroup
C
|
+$57.9M |
| 3 |
Pfizer
PFE
|
+$55.9M |
| 4 |
TSMC
TSM
|
+$40.4M |
| 5 |
Starbucks
SBUX
|
+$40.4M |
Sector Composition
| 1 | Technology | 23.11% |
| 2 | Consumer Discretionary | 16.53% |
| 3 | Healthcare | 8.58% |
| 4 | Industrials | 7.58% |
| 5 | Financials | 7.29% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
SVC
1351
Service Properties Trust
SVC
$476M
| $39K | ﹤0.01% |
8,573
-7,264
| -46% | -$33K |
|
1352
Anavex Life Sciences
AVXL
$805M
| $38K | ﹤0.01% |
+6,756
| New | +$38K |
|
|
CRESY
1353
Cresud
CRESY
$518M
| $38K | ﹤0.01% |
4,457
-1,078
| -19% | -$9.19K |
|
1354
CVB Financial
CVBF
$2.77B
| $38K | ﹤0.01% |
+2,155
| New | +$38K |
|
1355
Hagerty
HGTY
$1.24B
| $38K | ﹤0.01% |
+3,793
| New | +$38K |
|
1356
Kaspi.kz JSC
KSPI
$16.1B
| $38K | ﹤0.01% |
+359
| New | +$38K |
|
1357
Marcus Corp
MCS
$504M
| $38K | ﹤0.01% |
2,555
+1,791
| +234% | +$26.6K |
|
1358
Direxion Daily Mid Cap Bull 3X Shares
MIDU
$77.8M
| $38K | ﹤0.01% |
+701
| New | +$38K |
|
1359
NGL Energy Partners
NGL
$740M
| $38K | ﹤0.01% |
+8,566
| New | +$38K |
|
1360
Vaxcyte
PCVX
$4.18B
| $38K | ﹤0.01% |
+333
| New | +$38K |
|
1361
Talkspace
TALK
$429M
| $38K | ﹤0.01% |
18,237
+17,535
| +2,498% | +$36.5K |
|
|
SLSR
1362
Solaris Resources
SLSR
$885M
| $38K | ﹤0.01% |
+14,960
| New | +$38K |
|
|
NAGE
1363
Niagen Bioscience, Inc. Common Stock
NAGE
$766M
| $38K | ﹤0.01% |
10,533
+1,229
| +13% | +$4.43K |
|
1364
Sphere 3D
ANY
$19.8M
| $38K | ﹤0.01% |
+42,423
| New | +$38K |
|
1365
ANI Pharmaceuticals
ANIP
$2.12B
| $37K | ﹤0.01% |
+621
| New | +$37K |
|
1366
Equity Lifestyle Properties
ELS
$11.9B
| $37K | ﹤0.01% |
529
-110
| -17% | -$7.69K |
|
1367
The Honest Company
HNST
$447M
| $37K | ﹤0.01% |
+10,464
| New | +$37K |
|
1368
Schwab Short-Term US Treasury ETF
SCHO
$11.1B
| $37K | ﹤0.01% |
+1,540
| New | +$37K |
|
1369
Solid Power
SLDP
$689M
| $37K | ﹤0.01% |
+27,956
| New | +$37K |
|
1370
Direxion Daily Small Cap Bear 3x Shares
TZA
$287M
| $37K | ﹤0.01% |
+2,804
| New | +$37K |
|
1371
Vishay Intertechnology
VSH
$2.07B
| $37K | ﹤0.01% |
+1,988
| New | +$37K |
|
1372
Cabaletta Bio
CABA
$168M
| $36K | ﹤0.01% |
7,638
+1,434
| +23% | +$6.76K |
|
1373
Ironwood Pharmaceuticals
IRWD
$213M
| $36K | ﹤0.01% |
+8,827
| New | +$36K |
|
|
NFGC
1374
New Found Gold
NFGC
$508M
| $36K | ﹤0.01% |
14,485
+12,028
| +490% | +$29.9K |
|
1375
nVent Electric
NVT
$15.3B
| $36K | ﹤0.01% |
526
-5,990
| -92% | -$410K |
|