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 |
Alibaba
BABA
|
$48.9M |
| 2 |
Boeing
BA
|
$25.8M |
| 3 |
SPDR Gold Trust
GLD
|
$18.2M |
| 4 |
Biogen
BIIB
|
$15.8M |
| 5 |
FedEx
FDX
|
$13.6M |
Top Sells
| 1 |
Alphabet (Google) Class C
GOOG
|
$62.1M |
| 2 |
iShares Russell 2000 ETF
IWM
|
$36.4M |
| 3 |
Industrial Select Sector SPDR Fund
XLI
|
$17.5M |
| 4 |
Netflix
NFLX
|
$16.3M |
| 5 |
iShares 20+ Year Treasury Bond ETF
TLT
|
$14.6M |
Sector Composition
| 1 | Consumer Discretionary | 16.74% |
| 2 | Technology | 16.32% |
| 3 | Healthcare | 12.17% |
| 4 | Industrials | 12.14% |
| 5 | Communication Services | 7.05% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
FOCS
276
DELISTED
Focus Financial Partners Inc. Class A
FOCS
| $838K | ﹤0.01% |
35,232
+11,370
| +48% | +$270K |
|
277
Heron Therapeutics
HRTX
$201M
| $836K | ﹤0.01% |
45,215
+25,692
| +132% | +$475K |
|
|
TIVO
278
DELISTED
Tivo Inc
TIVO
| $832K | ﹤0.01% |
109,303
-66,886
| -38% | -$509K |
|
279
iShares MSCI ACWI ETF
ACWI
$22.1B
| $825K | ﹤0.01% |
11,197
-4,843
| -30% | -$357K |
|
|
NEWR
280
DELISTED
New Relic, Inc.
NEWR
| $820K | ﹤0.01% |
+13,360
| New | +$820K |
|
281
abrdn Physical Gold Shares ETF
SGOL
$5.72B
| $811K | ﹤0.01% |
57,160
-22,180
| -28% | -$315K |
|
|
MIC
282
DELISTED
Macquarie Infrastructure Holdings, LLC
MIC
| $810K | ﹤0.01% |
20,547
+13,559
| +194% | +$535K |
|
283
Toll Brothers
TOL
$14.2B
| $809K | ﹤0.01% |
19,717
+18,398
| +1,395% | +$755K |
|
284
Ally Financial
ALLY
$12.7B
| $803K | ﹤0.01% |
24,216
+3,906
| +19% | +$130K |
|
285
Upland Software
UPLD
$70.5M
| $797K | ﹤0.01% |
+22,867
| New | +$797K |
|
286
ProShares Short S&P500
SH
$1.24B
| $793K | ﹤0.01% |
7,595
+5,051
| +199% | +$527K |
|
|
VMW
287
DELISTED
VMware, Inc
VMW
| $792K | ﹤0.01% |
5,278
-10,935
| -67% | -$1.64M |
|
288
ON Semiconductor
ON
$20.1B
| $789K | ﹤0.01% |
+41,087
| New | +$789K |
|
289
ProShares Ultra Silver
AGQ
$894M
| $783K | ﹤0.01% |
+26,573
| New | +$783K |
|
290
Sinclair Inc
SBGI
$964M
| $775K | ﹤0.01% |
18,151
+8,964
| +98% | +$383K |
|
291
iShares MSCI Turkey ETF
TUR
$165M
| $774K | ﹤0.01% |
28,981
-1,245
| -4% | -$33.3K |
|
292
RH
RH
$4.7B
| $773K | ﹤0.01% |
4,526
+4,476
| +8,952% | +$764K |
|
|
BHVN
293
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
| $766K | ﹤0.01% |
18,374
-36,060
| -66% | -$1.5M |
|
294
Immersion
IMMR
$230M
| $763K | ﹤0.01% |
99,801
-8,811
| -8% | -$67.4K |
|
295
ATI
ATI
$10.7B
| $759K | ﹤0.01% |
+37,511
| New | +$759K |
|
296
DXC Technology
DXC
$2.65B
| $756K | ﹤0.01% |
25,635
-1,600
| -6% | -$47.2K |
|
297
Bank of Montreal
BMO
$90.3B
| $754K | ﹤0.01% |
+10,236
| New | +$754K |
|
298
Sociedad Química y Minera de Chile
SQM
$13.1B
| $747K | ﹤0.01% |
26,892
+2,259
| +9% | +$62.8K |
|
299
Equitable Holdings
EQH
$16B
| $745K | ﹤0.01% |
33,656
+33,445
| +15,851% | +$740K |
|
|
AVYA
300
DELISTED
Avaya Holdings Corp. Common Stock
AVYA
| $744K | ﹤0.01% |
72,752
+10,554
| +17% | +$108K |
|