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 | |
|---|---|---|---|---|---|---|
1201
Redwire
RDW
$1.24B
| $100K | ﹤0.01% |
22,866
-9,447
| -29% | -$41.3K |
|
1202
Vanguard Total Bond Market
BND
$137B
| $99K | ﹤0.01% |
+1,373
| New | +$99K |
|
1203
Kiniksa Pharmaceuticals
KNSA
$2.66B
| $99K | ﹤0.01% |
+5,049
| New | +$99K |
|
1204
Caribou Biosciences
CRBU
$166M
| $98K | ﹤0.01% |
19,212
+1,899
| +11% | +$9.69K |
|
1205
Addus HomeCare
ADUS
$2.02B
| $98K | ﹤0.01% |
951
+396
| +71% | +$40.8K |
|
1206
First Watch Restaurant Group
FWRG
$1.01B
| $98K | ﹤0.01% |
+3,983
| New | +$98K |
|
1207
ProShares VIX Short-Term Futures ETF
VIXY
$79.7M
| $98K | ﹤0.01% |
1,897
+1,115
| +143% | +$57.6K |
|
1208
Ambarella
AMBA
$3.53B
| $97K | ﹤0.01% |
+1,914
| New | +$97K |
|
1209
Betterware México
BWMX
$503M
| $97K | ﹤0.01% |
4,871
+4,787
| +5,699% | +$95.3K |
|
1210
Jack in the Box
JACK
$356M
| $97K | ﹤0.01% |
+1,424
| New | +$97K |
|
1211
NET Power
NPWR
$205M
| $97K | ﹤0.01% |
+8,587
| New | +$97K |
|
1212
Oil States International
OIS
$356M
| $97K | ﹤0.01% |
+15,875
| New | +$97K |
|
1213
D-Wave Quantum
QBTS
$8.22B
| $97K | ﹤0.01% |
47,845
+37,525
| +364% | +$76.1K |
|
1214
FTAI Infrastructure
FIP
$563M
| $96K | ﹤0.01% |
15,380
+13,237
| +618% | +$82.6K |
|
|
MREO
1215
Mereo BioPharma
MREO
$282M
| $96K | ﹤0.01% |
+29,242
| New | +$96K |
|
1216
Invesco Leisure and Entertainment ETF
PEJ
$358M
| $96K | ﹤0.01% |
2,096
+24
| +1% | +$1.1K |
|
1217
Direxion Shares ETF Trust Direxion Daily AMZN Bull 2X Shares
AMZU
$282M
| $95K | ﹤0.01% |
2,810
+2,710
| +2,710% | +$91.6K |
|
1218
Innoviz Technologies
INVZ
$396M
| $95K | ﹤0.01% |
70,677
-214,696
| -75% | -$289K |
|
1219
Photronics
PLAB
$1.47B
| $95K | ﹤0.01% |
3,367
-8,342
| -71% | -$235K |
|
|
PLYA
1220
DELISTED
Playa Hotels & Resorts
PLYA
| $95K | ﹤0.01% |
9,837
-450
| -4% | -$4.35K |
|
1221
Replimune Group
REPL
$270M
| $95K | ﹤0.01% |
+11,641
| New | +$95K |
|
|
TGI
1222
DELISTED
Triumph Group
TGI
| $95K | ﹤0.01% |
6,319
-28,048
| -82% | -$422K |
|
1223
AdvanSix
ASIX
$566M
| $94K | ﹤0.01% |
3,306
+3,049
| +1,186% | +$86.7K |
|
1224
FMC
FMC
$4.65B
| $94K | ﹤0.01% |
1,481
-65,478
| -98% | -$4.16M |
|
1225
Humacyte
HUMA
$284M
| $94K | ﹤0.01% |
30,412
+10,419
| +52% | +$32.2K |
|