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 | |
|---|---|---|---|---|---|---|
|
ADAM
1376
Adamas Trust, Inc. Common Stock
ADAM
$668M
| $56K | ﹤0.01% |
7,797
+4,033
| +107% | +$29K |
|
1377
FreightCar America
RAIL
$174M
| $56K | ﹤0.01% |
14,677
+12,305
| +519% | +$47K |
|
1378
W&T Offshore
WTI
$270M
| $56K | ﹤0.01% |
+21,343
| New | +$56K |
|
1379
Edgewise Therapeutics
EWTX
$1.64B
| $55K | ﹤0.01% |
+3,025
| New | +$55K |
|
1380
Allete
ALE
$3.72B
| $54K | ﹤0.01% |
908
+186
| +26% | +$11.1K |
|
1381
Banco de Chile
BCH
$14.8B
| $54K | ﹤0.01% |
+2,438
| New | +$54K |
|
1382
SiTime
SITM
$7.94B
| $54K | ﹤0.01% |
588
+333
| +131% | +$30.6K |
|
1383
Veritone
VERI
$287M
| $54K | ﹤0.01% |
+10,454
| New | +$54K |
|
1384
American Vanguard Corp
AVD
$165M
| $53K | ﹤0.01% |
4,109
+13
| +0.3% | +$168 |
|
1385
Forum Energy Technologies
FET
$326M
| $53K | ﹤0.01% |
2,692
-1,142
| -30% | -$22.5K |
|
1386
The Honest Company
HNST
$451M
| $53K | ﹤0.01% |
13,235
-90,653
| -87% | -$363K |
|
1387
Otter Tail
OTTR
$3.52B
| $53K | ﹤0.01% |
+623
| New | +$53K |
|
1388
Under Armour Class C
UA
$2.08B
| $53K | ﹤0.01% |
7,526
-172,123
| -96% | -$1.21M |
|
1389
Delcath Systems
DCTH
$411M
| $52K | ﹤0.01% |
10,937
-2,877
| -21% | -$13.7K |
|
1390
iShares US Oil Equipment & Services ETF
IEZ
$113M
| $52K | ﹤0.01% |
2,214
+1,378
| +165% | +$32.4K |
|
1391
Tradr 1.25X NVDA Bear Daily ETF
NVDS
$55.3M
| $52K | ﹤0.01% |
819
+809
| +8,090% | +$51.4K |
|
1392
Orion Group Holdings
ORN
$323M
| $52K | ﹤0.01% |
6,422
-11,000
| -63% | -$89.1K |
|
|
STR
1393
DELISTED
Sitio Royalties
STR
| $52K | ﹤0.01% |
2,107
+1,493
| +243% | +$36.8K |
|
1394
Goosehead Insurance
GSHD
$2.04B
| $51K | ﹤0.01% |
773
-810
| -51% | -$53.4K |
|
1395
Direxion Daily MSCI Mexico Bull 3X Shares
MEXX
$20.8M
| $51K | ﹤0.01% |
1,478
-4,651
| -76% | -$160K |
|
|
UMH
1396
UMH Properties
UMH
$1.28B
| $51K | ﹤0.01% |
3,176
-6,986
| -69% | -$112K |
|
|
MODN
1397
DELISTED
MODEL N, INC.
MODN
| $51K | ﹤0.01% |
1,795
+34
| +2% | +$966 |
|
1398
Athira Pharma
ATHA
$151M
| $50K | ﹤0.01% |
+18,325
| New | +$50K |
|
|
NFGC
1399
New Found Gold
NFGC
$491M
| $50K | ﹤0.01% |
13,570
-22,729
| -63% | -$83.7K |
|
|
SKE
1400
Skeena Resources
SKE
$1.97B
| $50K | ﹤0.01% |
11,016
-2,177
| -17% | -$9.88K |
|