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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$29.6M |
| 3 |
JPMorgan Chase
JPM
|
+$21.9M |
| 4 |
Boeing
BA
|
+$18.8M |
| 5 |
Target
TGT
|
+$13.5M |
Top Sells
| 1 |
SPDR Gold Trust
GLD
|
+$94.2M |
| 2 |
Tesla
TSLA
|
+$91.2M |
| 3 |
Invesco QQQ Trust
QQQ
|
+$81.5M |
| 4 |
NVIDIA
NVDA
|
+$60M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| 1 | Consumer Discretionary | 21.73% |
| 2 | Technology | 16.48% |
| 3 | Healthcare | 9.06% |
| 4 | Financials | 8.3% |
| 5 | Communication Services | 7.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
ITCI
401
DELISTED
Intra-Cellular Therapies Inc.
ITCI
| $775K | ﹤0.01% |
30,207
-18,427
| -38% | -$473K |
|
402
Devon Energy
DVN
$22.5B
| $773K | ﹤0.01% |
81,784
+72,847
| +815% | +$689K |
|
403
Fate Therapeutics
FATE
$115M
| $770K | ﹤0.01% |
+19,284
| New | +$770K |
|
404
Galapagos
GLPG
$2.13B
| $770K | ﹤0.01% |
5,432
-13,451
| -71% | -$1.91M |
|
405
iShares MSCI China ETF
MCHI
$8.07B
| $767K | ﹤0.01% |
+10,352
| New | +$767K |
|
406
Schlumberger
SLB
$53.9B
| $766K | ﹤0.01% |
+49,238
| New | +$766K |
|
407
Hershey
HSY
$37.6B
| $763K | ﹤0.01% |
5,327
+542
| +11% | +$77.6K |
|
408
Cincinnati Financial
CINF
$23.8B
| $761K | ﹤0.01% |
9,768
+6,272
| +179% | +$489K |
|
409
Host Hotels & Resorts
HST
$12.1B
| $761K | ﹤0.01% |
70,563
+54,288
| +334% | +$585K |
|
|
CLCT
410
DELISTED
Collectors Universe
CLCT
| $761K | ﹤0.01% |
15,387
+11,453
| +291% | +$566K |
|
411
Direxion Daily S&P 500 Bull 3x Shares
SPXL
$5.68B
| $758K | ﹤0.01% |
14,405
+4,105
| +40% | +$216K |
|
412
Wolfspeed
WOLF
$230M
| $756K | ﹤0.01% |
11,871
+9,578
| +418% | +$610K |
|
413
Groupon
GRPN
$916M
| $751K | ﹤0.01% |
36,831
+31,752
| +625% | +$647K |
|
414
Kroger
KR
$44.3B
| $743K | ﹤0.01% |
+21,912
| New | +$743K |
|
415
ProShares Short QQQ
PSQ
$542M
| $743K | ﹤0.01% |
8,981
+6,985
| +350% | +$578K |
|
416
Yelp
YELP
$1.97B
| $743K | ﹤0.01% |
36,990
+17,973
| +95% | +$361K |
|
|
GTM
417
ZoomInfo Technologies
GTM
$3.63B
| $742K | ﹤0.01% |
17,283
+17,083
| +8,542% | +$733K |
|
418
OraSure Technologies
OSUR
$238M
| $736K | ﹤0.01% |
+60,484
| New | +$736K |
|
419
Norfolk Southern
NSC
$61.1B
| $730K | ﹤0.01% |
3,414
+1,891
| +124% | +$404K |
|
420
Roper Technologies
ROP
$55.2B
| $730K | ﹤0.01% |
+1,849
| New | +$730K |
|
421
Cameco
CCJ
$34.6B
| $729K | ﹤0.01% |
72,179
-4,320
| -6% | -$43.6K |
|
|
JWN
422
DELISTED
Nordstrom
JWN
| $729K | ﹤0.01% |
61,205
+60,905
| +20,302% | +$725K |
|
423
Hyatt Hotels
H
$13.6B
| $727K | ﹤0.01% |
+13,626
| New | +$727K |
|
424
Xerox
XRX
$456M
| $725K | ﹤0.01% |
38,635
+20,717
| +116% | +$389K |
|
|
SOGO
425
DELISTED
Sogou Inc. American Depositary Shares, each representing one Class A Ordinary Share
SOGO
| $709K | ﹤0.01% |
79,862
+33,302
| +72% | +$296K |
|