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 | |
|---|---|---|---|---|---|---|
1301
Radiant Logistics
RLGT
$307M
| $46K | ﹤0.01% |
7,161
-5,150
| -42% | -$33.1K |
|
1302
Veru
VERU
$50.5M
| $46K | ﹤0.01% |
6,000
-2,437
| -29% | -$18.7K |
|
1303
Valkyrie ETF Trust II CoinShares Bitcoin and Ether ETF
BTF
$43.9M
| $45K | ﹤0.01% |
2,801
+775
| +38% | +$12.5K |
|
1304
Heidrick & Struggles
HSII
$1.03B
| $45K | ﹤0.01% |
1,179
+90
| +8% | +$3.44K |
|
1305
Jones Lang LaSalle
JLL
$14.8B
| $45K | ﹤0.01% |
169
+129
| +323% | +$34.3K |
|
1306
SGHC Ltd
SGHC
$6.39B
| $45K | ﹤0.01% |
12,637
-12,397
| -50% | -$44.1K |
|
1307
Shopify
SHOP
$186B
| $45K | ﹤0.01% |
567
-47,213
| -99% | -$3.75M |
|
1308
First Industrial Realty Trust
FR
$6.91B
| $44K | ﹤0.01% |
792
+669
| +544% | +$37.2K |
|
1309
iShares Micro-Cap ETF
IWC
$948M
| $44K | ﹤0.01% |
+357
| New | +$44K |
|
1310
WK Kellogg Co
KLG
$1.99B
| $44K | ﹤0.01% |
+2,624
| New | +$44K |
|
1311
Medifast
MED
$154M
| $44K | ﹤0.01% |
2,334
-33,005
| -93% | -$622K |
|
1312
Skyward Specialty Insurance
SKWD
$1.87B
| $44K | ﹤0.01% |
1,099
+1,034
| +1,591% | +$41.4K |
|
1313
ProShares UltraShort Russell2000
TWM
$33.7M
| $44K | ﹤0.01% |
970
-1,326
| -58% | -$60.1K |
|
|
GOOS
1314
Canada Goose Holdings
GOOS
$1.36B
| $43K | ﹤0.01% |
+3,453
| New | +$43K |
|
1315
Inspired Entertainment
INSE
$253M
| $43K | ﹤0.01% |
4,718
+3,018
| +178% | +$27.5K |
|
1316
Sagimet Biosciences
SGMT
$220M
| $43K | ﹤0.01% |
15,772
-6,062
| -28% | -$16.5K |
|
1317
Veracyte
VCYT
$2.43B
| $43K | ﹤0.01% |
+1,285
| New | +$43K |
|
|
ILPT
1318
Industrial Logistics Properties Trust
ILPT
$424M
| $42K | ﹤0.01% |
8,897
+5,424
| +156% | +$25.6K |
|
1319
Castor Maritime
CTRM
$19.2M
| $42K | ﹤0.01% |
10,138
+3,238
| +47% | +$13.4K |
|
1320
FingerMotion
FNGR
$95.6M
| $42K | ﹤0.01% |
19,516
+8,424
| +76% | +$18.1K |
|
1321
Gold Royalty Corp
GROY
$650M
| $42K | ﹤0.01% |
+31,039
| New | +$42K |
|
1322
Horizon Technology Finance
HRZN
$291M
| $42K | ﹤0.01% |
+3,999
| New | +$42K |
|
1323
Sun Country Airlines
SNCY
$728M
| $42K | ﹤0.01% |
3,801
-13,800
| -78% | -$152K |
|
1324
Utz Brands
UTZ
$1.12B
| $42K | ﹤0.01% |
+2,385
| New | +$42K |
|
1325
YieldMax MSTR Option Income Strategy ETF
MSTY
$4.68B
| $42K | ﹤0.01% |
1,711
-9,698
| -85% | -$238K |
|