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 | |
|---|---|---|---|---|---|---|
|
ITCI
476
DELISTED
Intra-Cellular Therapies Inc.
ITCI
| $944K | ﹤0.01% |
13,653
+2,558
| +23% | +$177K |
|
477
Fifth Third Bancorp
FITB
$30.5B
| $937K | ﹤0.01% |
+25,203
| New | +$937K |
|
478
Tradr 2X Long Innovation ETFShort Innovation Daily ETF
SARK
$62.8M
| $936K | ﹤0.01% |
11,614
+1,334
| +13% | +$108K |
|
479
Coeur Mining
CDE
$11.2B
| $934K | ﹤0.01% |
247,934
-66,371
| -21% | -$250K |
|
480
Invesco DB Commodity Index Tracking Fund
DBC
$1.26B
| $930K | ﹤0.01% |
+40,529
| New | +$930K |
|
481
Domo
DOMO
$745M
| $925K | ﹤0.01% |
103,802
+85,245
| +459% | +$760K |
|
482
LKQ Corp
LKQ
$7.89B
| $925K | ﹤0.01% |
17,323
+16,897
| +3,966% | +$902K |
|
483
Sigma Lithium
SGML
$675M
| $915K | ﹤0.01% |
70,607
+24,923
| +55% | +$323K |
|
484
Enbridge
ENB
$108B
| $914K | ﹤0.01% |
+25,265
| New | +$914K |
|
|
NKLA
485
DELISTED
Nikola Corporation Common Stock
NKLA
| $912K | ﹤0.01% |
29,253
+23,693
| +426% | +$739K |
|
486
iShares Core S&P Mid-Cap ETF
IJH
$100B
| $908K | ﹤0.01% |
+14,954
| New | +$908K |
|
487
ProShares Short Bitcoin Strategy ETF
BITI
$73.8M
| $906K | ﹤0.01% |
24,531
+10,241
| +72% | +$378K |
|
488
VinFast Auto
VFS
$7.55B
| $904K | ﹤0.01% |
+181,972
| New | +$904K |
|
489
Banco Bradesco
BBD
$35.2B
| $900K | ﹤0.01% |
314,950
+202,739
| +181% | +$579K |
|
490
Fabrinet
FN
$13.7B
| $890K | ﹤0.01% |
4,710
+1,766
| +60% | +$334K |
|
491
ProShares Ultra Dow30
DDM
$451M
| $889K | ﹤0.01% |
10,216
-3,633
| -26% | -$316K |
|
492
Revvity
RVTY
$10.1B
| $878K | ﹤0.01% |
+8,371
| New | +$878K |
|
493
Direxion Daily Real Estate Bull 3X Shares
DRN
$65.4M
| $872K | ﹤0.01% |
88,103
+49,873
| +130% | +$494K |
|
494
Dynavax Technologies
DVAX
$1.14B
| $868K | ﹤0.01% |
+69,991
| New | +$868K |
|
495
Assured Guaranty
AGO
$3.98B
| $867K | ﹤0.01% |
9,937
+3,855
| +63% | +$336K |
|
496
Valvoline
VVV
$4.92B
| $859K | ﹤0.01% |
19,294
+14,120
| +273% | +$629K |
|
497
ITT
ITT
$14.1B
| $856K | ﹤0.01% |
6,299
+2,934
| +87% | +$399K |
|
498
FTI Consulting
FCN
$5.23B
| $844K | ﹤0.01% |
4,016
+3,004
| +297% | +$631K |
|
|
TBCH
499
Turtle Beach Corp
TBCH
$303M
| $839K | ﹤0.01% |
48,710
+31,061
| +176% | +$535K |
|
|
ALPN
500
DELISTED
Alpine Immune Sciences, Inc. Common Stock
ALPN
| $837K | ﹤0.01% |
+21,123
| New | +$837K |
|