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 |
Alibaba
BABA
|
+$48.9M |
| 2 |
Boeing
BA
|
+$25.8M |
| 3 |
SPDR Gold Trust
GLD
|
+$18.2M |
| 4 |
Biogen
BIIB
|
+$15.8M |
| 5 |
FedEx
FDX
|
+$13.6M |
Top Sells
| 1 |
Alphabet (Google) Class C
GOOG
|
+$62.1M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$36.4M |
| 3 |
Industrial Select Sector SPDR Fund
XLI
|
+$17.5M |
| 4 |
Netflix
NFLX
|
+$16.3M |
| 5 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$14.6M |
Sector Composition
| 1 | Consumer Discretionary | 16.74% |
| 2 | Technology | 16.32% |
| 3 | Healthcare | 12.17% |
| 4 | Industrials | 12.14% |
| 5 | Communication Services | 7.05% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1276
Lesaka Technologies
LSAK
$362M
| $25K | ﹤0.01% |
7,118
+4,214
| +145% | +$14.8K |
|
1277
Martin Midstream Partners
MMLP
$119M
| $25K | ﹤0.01% |
5,585
-186
| -3% | -$833 |
|
1278
Sundial Growers
SNDL
$620M
| $25K | ﹤0.01% |
+522
| New | +$25K |
|
|
WPRT
1279
Westport Fuel Systems
WPRT
$40.8M
| $25K | ﹤0.01% |
934
-1,087
| -54% | -$29.1K |
|
|
GTHX
1280
DELISTED
G1 Therapeutics, Inc. Common Stock
GTHX
| $25K | ﹤0.01% |
1,107
+1,041
| +1,577% | +$23.5K |
|
1281
IAC Inc
IAC
$2.89B
| $24K | ﹤0.01% |
+632
| New | +$24K |
|
1282
Tredegar Corp
TG
$279M
| $24K | ﹤0.01% |
1,266
-37,190
| -97% | -$705K |
|
1283
INNOVATE Corp
VATE
$67.3M
| $24K | ﹤0.01% |
1,045
+832
| +391% | +$19.1K |
|
|
ACRE
1284
Ares Commercial Real Estate
ACRE
$266M
| $23K | ﹤0.01% |
+1,530
| New | +$23K |
|
1285
InfraCap MLP ETF
AMZA
$403M
| $23K | ﹤0.01% |
+487
| New | +$23K |
|
1286
Brighthouse Financial
BHF
$2.8B
| $23K | ﹤0.01% |
578
-1,794
| -76% | -$71.4K |
|
1287
Clean Energy Fuels
CLNE
$526M
| $23K | ﹤0.01% |
11,603
+10,047
| +646% | +$19.9K |
|
1288
IMAX
IMAX
$1.74B
| $23K | ﹤0.01% |
1,052
+687
| +188% | +$15K |
|
1289
Jack in the Box
JACK
$350M
| $23K | ﹤0.01% |
+258
| New | +$23K |
|
1290
Kodak
KODK
$486M
| $23K | ﹤0.01% |
8,903
-17,845
| -67% | -$46.1K |
|
1291
Kayne Anderson Energy Infrastructure Fund
KYN
$2.06B
| $23K | ﹤0.01% |
+1,608
| New | +$23K |
|
1292
Lloyds Banking Group
LYG
$67B
| $23K | ﹤0.01% |
9,013
+8,800
| +4,131% | +$22.5K |
|
1293
National Storage Affiliates Trust
NSA
$2.45B
| $23K | ﹤0.01% |
+715
| New | +$23K |
|
1294
Pulse Biosciences
PLSE
$977M
| $23K | ﹤0.01% |
1,529
+1,158
| +312% | +$17.4K |
|
1295
Interface
TILE
$1.66B
| $23K | ﹤0.01% |
1,601
-1,831
| -53% | -$26.3K |
|
1296
York Water
YORW
$445M
| $23K | ﹤0.01% |
538
+400
| +290% | +$17.1K |
|
|
AFTY
1297
DELISTED
Pacer CSOP FTSE China A50 ETF
AFTY
| $23K | ﹤0.01% |
1,398
-1,243
| -47% | -$20.5K |
|
|
EXPR
1298
DELISTED
Express, Inc.
EXPR
| $23K | ﹤0.01% |
348
+238
| +216% | +$15.7K |
|
|
FTCH
1299
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $23K | ﹤0.01% |
2,675
-27,758
| -91% | -$239K |
|
|
VNTR
1300
DELISTED
Venator Materials PLC
VNTR
| $23K | ﹤0.01% |
+9,790
| New | +$23K |
|