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 | |
|---|---|---|---|---|---|---|
601
Amplify Junior Silver Miners ETF
SILJ
$2.34B
| $612K | ﹤0.01% |
61,706
-64,180
| -51% | -$637K |
|
602
EPR Properties
EPR
$4.32B
| $611K | ﹤0.01% |
14,395
+12,429
| +632% | +$528K |
|
603
Sandstorm Gold
SAND
$3.51B
| $610K | ﹤0.01% |
116,313
+84,489
| +265% | +$443K |
|
604
indie Semiconductor
INDI
$721M
| $603K | ﹤0.01% |
+85,201
| New | +$603K |
|
605
Arrowhead Research
ARWR
$4.24B
| $600K | ﹤0.01% |
21,011
+1,867
| +10% | +$53.3K |
|
606
BellRing Brands
BRBR
$4.54B
| $598K | ﹤0.01% |
10,133
-18,894
| -65% | -$1.12M |
|
607
Bank of Montreal
BMO
$93.3B
| $597K | ﹤0.01% |
+6,122
| New | +$597K |
|
608
Tarsus Pharmaceuticals
TARS
$2.32B
| $587K | ﹤0.01% |
16,166
+8,248
| +104% | +$299K |
|
609
Direxion Daily CSI China Internet Index Bull 2X Shares
CWEB
$379M
| $586K | ﹤0.01% |
+19,605
| New | +$586K |
|
610
Warrior Met Coal
HCC
$3.31B
| $586K | ﹤0.01% |
9,663
+7,113
| +279% | +$431K |
|
|
HIMX
611
Himax Technologies
HIMX
$1.48B
| $586K | ﹤0.01% |
109,708
+46,392
| +73% | +$248K |
|
612
Teekay
TK
$731M
| $585K | ﹤0.01% |
80,403
+53,159
| +195% | +$387K |
|
613
Matrix Service
MTRX
$360M
| $582K | ﹤0.01% |
44,714
+31,018
| +226% | +$404K |
|
614
Couchbase
BASE
$1.35B
| $580K | ﹤0.01% |
22,078
-353
| -2% | -$9.27K |
|
615
Sundial Growers
SNDL
$636M
| $580K | ﹤0.01% |
289,555
-9,322
| -3% | -$18.7K |
|
616
Invesco CurrencyShares Australian Dollar Trust
FXA
$75.1M
| $578K | ﹤0.01% |
8,962
+8,534
| +1,994% | +$550K |
|
617
Ametek
AME
$43.4B
| $576K | ﹤0.01% |
3,154
+1,680
| +114% | +$307K |
|
618
Vanguard World Funds Extended Duration ETF
EDV
$3.9B
| $576K | ﹤0.01% |
7,530
-10,608
| -58% | -$811K |
|
|
BITF
619
Bitfarms
BITF
$1.72B
| $574K | ﹤0.01% |
257,777
+67,114
| +35% | +$149K |
|
620
Franklin Covey
FC
$250M
| $573K | ﹤0.01% |
+14,605
| New | +$573K |
|
621
Treace Medical Concepts
TMCI
$435M
| $573K | ﹤0.01% |
43,947
-23,403
| -35% | -$305K |
|
622
Insmed
INSM
$30.6B
| $569K | ﹤0.01% |
+21,007
| New | +$569K |
|
623
Roivant Sciences
ROIV
$10.3B
| $569K | ﹤0.01% |
54,030
-64,684
| -54% | -$681K |
|
624
Old Dominion Freight Line
ODFL
$29.6B
| $567K | ﹤0.01% |
+2,587
| New | +$567K |
|
625
NextDecade
NEXT
$1.72B
| $562K | ﹤0.01% |
+99,015
| New | +$562K |
|