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 |
Apple
AAPL
|
$80M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$45.3M |
| 3 |
Alphabet (Google) Class C
GOOG
|
$38.8M |
| 4 |
Amazon
AMZN
|
$38.6M |
| 5 |
Tesla
TSLA
|
$36M |
Top Sells
| 1 |
Alibaba
BABA
|
$46.4M |
| 2 |
Boeing
BA
|
$29.8M |
| 3 |
SPDR Gold Trust
GLD
|
$18.2M |
| 4 |
Biogen
BIIB
|
$15.8M |
| 5 |
NVIDIA
NVDA
|
$14.3M |
Sector Composition
| 1 | Technology | 22.73% |
| 2 | Consumer Discretionary | 17.54% |
| 3 | Communication Services | 10.03% |
| 4 | Healthcare | 9.29% |
| 5 | Industrials | 5.63% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
401
Ingles Markets
IMKTA
$1.34B
| $626K | ﹤0.01% |
+13,195
| New | +$626K |
|
402
Puma Biotechnology
PBYI
$253M
| $626K | ﹤0.01% |
71,650
+68,243
| +2,003% | +$596K |
|
403
America Movil
AMX
$59.1B
| $625K | ﹤0.01% |
+39,110
| New | +$625K |
|
404
MetLife
MET
$52.9B
| $619K | ﹤0.01% |
+12,156
| New | +$619K |
|
405
Cytokinetics
CYTK
$6.34B
| $618K | ﹤0.01% |
58,271
+51,476
| +758% | +$546K |
|
406
iShares MSCI India ETF
INDA
$9.26B
| $618K | ﹤0.01% |
17,587
-7,630
| -30% | -$268K |
|
407
Tronox
TROX
$710M
| $608K | ﹤0.01% |
53,277
+31,756
| +148% | +$362K |
|
408
KB Home
KBH
$4.63B
| $607K | ﹤0.01% |
17,731
-3,732
| -17% | -$128K |
|
409
KKR & Co
KKR
$121B
| $603K | ﹤0.01% |
+20,695
| New | +$603K |
|
410
Yelp
YELP
$2.02B
| $603K | ﹤0.01% |
17,317
+5,760
| +50% | +$201K |
|
411
Extra Space Storage
EXR
$31.3B
| $599K | ﹤0.01% |
5,679
-2,340
| -29% | -$247K |
|
412
Five Below
FIVE
$8.46B
| $597K | ﹤0.01% |
+4,672
| New | +$597K |
|
413
Global X MSCI Greece ETF
GREK
$303M
| $596K | ﹤0.01% |
19,633
+5,912
| +43% | +$179K |
|
414
Canadian Natural Resources
CNQ
$63.2B
| $591K | ﹤0.01% |
37,318
+11,775
| +46% | +$186K |
|
415
ProShares Ultra Silver
AGQ
$894M
| $590K | ﹤0.01% |
18,660
-7,913
| -30% | -$250K |
|
416
Invesco S&P 500 Low Volatility ETF
SPLV
$7.99B
| $587K | ﹤0.01% |
10,075
+6,008
| +148% | +$350K |
|
417
AstraZeneca
AZN
$253B
| $585K | ﹤0.01% |
11,744
-4,841
| -29% | -$241K |
|
|
TIVO
418
DELISTED
Tivo Inc
TIVO
| $581K | ﹤0.01% |
68,600
-40,703
| -37% | -$345K |
|
|
AMRN
419
Amarin Corp
AMRN
$311M
| $578K | ﹤0.01% |
1,349
-362
| -21% | -$155K |
|
420
Mettler-Toledo International
MTD
$26.9B
| $575K | ﹤0.01% |
725
-1,742
| -71% | -$1.38M |
|
421
Frontline
FRO
$4.93B
| $568K | ﹤0.01% |
+44,199
| New | +$568K |
|
422
iShares Core S&P Mid-Cap ETF
IJH
$101B
| $567K | ﹤0.01% |
13,780
-24,000
| -64% | -$988K |
|
423
Public Storage
PSA
$52.2B
| $562K | ﹤0.01% |
+2,642
| New | +$562K |
|
424
Pricesmart
PSMT
$3.38B
| $560K | ﹤0.01% |
7,894
-15,484
| -66% | -$1.1M |
|
425
Esperion Therapeutics
ESPR
$540M
| $558K | ﹤0.01% |
9,373
+3,472
| +59% | +$207K |
|