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 |
Invesco QQQ Trust
QQQ
|
$85.4M |
| 2 |
SPDR Gold Trust
GLD
|
$75.9M |
| 3 |
NVIDIA
NVDA
|
$42.6M |
| 4 |
Netflix
NFLX
|
$41.1M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
$40.5M |
Top Sells
| 1 |
Apple
AAPL
|
$65.7M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
$25.5M |
| 3 |
SPDR S&P 500 ETF Trust
SPY
|
$24.4M |
| 4 |
SPDR Dow Jones Industrial Average ETF Trust
DIA
|
$24.3M |
| 5 |
Broadcom
AVGO
|
$21.3M |
Sector Composition
| 1 | Technology | 15.2% |
| 2 | Consumer Discretionary | 14.52% |
| 3 | Communication Services | 10.57% |
| 4 | Healthcare | 8.15% |
| 5 | Financials | 7.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
276
Verizon
VZ
$187B
| $1.07M | ﹤0.01% |
+19,498
| New | +$1.07M |
|
|
CMBT
277
CMB.TECH NV
CMBT
$2.64B
| $1.07M | ﹤0.01% |
131,664
+129,442
| +5,825% | +$1.05M |
|
278
GSK
GSK
$81.6B
| $1.07M | ﹤0.01% |
+20,895
| New | +$1.07M |
|
279
uniQure
QURE
$985M
| $1.07M | ﹤0.01% |
+23,641
| New | +$1.07M |
|
280
Kinder Morgan
KMI
$59.1B
| $1.06M | ﹤0.01% |
69,635
-26,412
| -27% | -$401K |
|
281
Elevance Health
ELV
$70.6B
| $1.05M | ﹤0.01% |
3,985
-44,917
| -92% | -$11.8M |
|
282
Box
BOX
$4.75B
| $1.04M | ﹤0.01% |
+50,241
| New | +$1.04M |
|
283
Gildan
GIL
$8.27B
| $1.04M | ﹤0.01% |
66,891
+26,935
| +67% | +$417K |
|
284
Universal Display
OLED
$6.91B
| $1.04M | ﹤0.01% |
6,927
-6,301
| -48% | -$942K |
|
285
Corning
GLW
$61B
| $1.03M | ﹤0.01% |
39,905
+26,174
| +191% | +$678K |
|
286
VeriSign
VRSN
$26.2B
| $1.03M | ﹤0.01% |
+4,991
| New | +$1.03M |
|
287
Invesco S&P 500 Low Volatility ETF
SPLV
$7.99B
| $1.03M | ﹤0.01% |
20,699
+3,536
| +21% | +$176K |
|
288
ProShares Trust UltraShort Lehman 7-10 Year Treasury
PST
$13.2M
| $1.02M | ﹤0.01% |
66,498
-12,690
| -16% | -$194K |
|
289
Direxion Daily FTSE China Bull 3X Shares
YINN
$1.2B
| $1M | ﹤0.01% |
3,826
+1,764
| +86% | +$462K |
|
290
Esperion Therapeutics
ESPR
$540M
| $995K | ﹤0.01% |
19,411
-22,641
| -54% | -$1.16M |
|
291
Sempra
SRE
$52.9B
| $986K | ﹤0.01% |
16,834
+10,402
| +162% | +$609K |
|
292
Baker Hughes
BKR
$44.9B
| $978K | ﹤0.01% |
63,561
-15,997
| -20% | -$246K |
|
|
BLDP
293
Ballard Power Systems
BLDP
$598M
| $976K | ﹤0.01% |
+63,379
| New | +$976K |
|
|
APHA
294
DELISTED
Aphria Inc. Common Shares
APHA
| $955K | ﹤0.01% |
222,693
+203,402
| +1,054% | +$872K |
|
295
e.l.f. Beauty
ELF
$7.6B
| $947K | ﹤0.01% |
49,703
+43,429
| +692% | +$827K |
|
296
Leidos
LDOS
$23B
| $947K | ﹤0.01% |
10,120
+8,058
| +391% | +$754K |
|
297
Gen Digital
GEN
$18.2B
| $943K | ﹤0.01% |
47,555
+40,290
| +555% | +$799K |
|
298
Tower Semiconductor
TSEM
$7.07B
| $928K | ﹤0.01% |
+48,652
| New | +$928K |
|
299
Weibo
WB
$2.87B
| $926K | ﹤0.01% |
27,583
-15,312
| -36% | -$514K |
|
300
PVH
PVH
$4.22B
| $919K | ﹤0.01% |
19,131
+12,121
| +173% | +$582K |
|