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
|
+$117M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$97.6M |
| 3 |
Walt Disney
DIS
|
+$73.4M |
| 4 |
Citigroup
C
|
+$45.8M |
| 5 |
KraneShares CSI China Internet ETF
KWEB
|
+$41.5M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$149M |
| 2 |
Amazon
AMZN
|
+$107M |
| 3 |
SPDR Gold Trust
GLD
|
+$58.6M |
| 4 |
Coinbase
COIN
|
+$56.5M |
| 5 |
NVIDIA
NVDA
|
+$48.2M |
Sector Composition
| 1 | Technology | 16.06% |
| 2 | Consumer Discretionary | 14.45% |
| 3 | Communication Services | 10.03% |
| 4 | Financials | 9.44% |
| 5 | Healthcare | 9.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1201
Redwire
RDW
$1.25B
| $92K | ﹤0.01% |
32,313
-20,529
| -39% | -$58.4K |
|
1202
Upbound Group
UPBD
$1.45B
| $92K | ﹤0.01% |
+2,716
| New | +$92K |
|
1203
Allot
ALLT
$426M
| $91K | ﹤0.01% |
55,581
-76,136
| -58% | -$125K |
|
1204
Hims & Hers Health
HIMS
$12.5B
| $91K | ﹤0.01% |
10,271
-98,298
| -91% | -$871K |
|
1205
iShares MSCI USA Min Vol Factor ETF
USMV
$23.5B
| $91K | ﹤0.01% |
+1,167
| New | +$91K |
|
1206
Credo Technology Group
CRDO
$28B
| $89K | ﹤0.01% |
4,606
-17,670
| -79% | -$341K |
|
1207
Full House Resorts
FLL
$120M
| $89K | ﹤0.01% |
16,623
+14,894
| +861% | +$79.7K |
|
|
AUTL
1208
Autolus Therapeutics
AUTL
$367M
| $88K | ﹤0.01% |
13,691
-4,336
| -24% | -$27.9K |
|
1209
Grab
GRAB
$24.5B
| $88K | ﹤0.01% |
26,346
-115,274
| -81% | -$385K |
|
|
PLYA
1210
DELISTED
Playa Hotels & Resorts
PLYA
| $88K | ﹤0.01% |
10,287
+3,831
| +59% | +$32.8K |
|
1211
iShares 10-20 Year Treasury Bond ETF
TLH
$11.6B
| $88K | ﹤0.01% |
819
+818
| +81,800% | +$87.9K |
|
1212
Corvus Pharmaceuticals
CRVS
$434M
| $87K | ﹤0.01% |
49,631
+10,138
| +26% | +$17.8K |
|
|
TGB
1213
Taseko Mines
TGB
$1.12B
| $87K | ﹤0.01% |
62,828
+1,562
| +3% | +$2.16K |
|
1214
Actinium Pharmaceuticals
ATNM
$50.8M
| $86K | ﹤0.01% |
17,089
+4,106
| +32% | +$20.7K |
|
1215
Orion Group Holdings
ORN
$299M
| $86K | ﹤0.01% |
17,422
-44,845
| -72% | -$221K |
|
1216
Invesco Leisure and Entertainment ETF
PEJ
$486M
| $86K | ﹤0.01% |
2,072
+1,974
| +2,014% | +$81.9K |
|
1217
RBC Bearings
RBC
$11.8B
| $86K | ﹤0.01% |
302
-327
| -52% | -$93.1K |
|
1218
Boston Omaha
BOC
$425M
| $84K | ﹤0.01% |
5,394
+4,679
| +654% | +$72.9K |
|
1219
Bank of Hawaii
BOH
$2.7B
| $84K | ﹤0.01% |
+1,169
| New | +$84K |
|
1220
Forum Energy Technologies
FET
$320M
| $84K | ﹤0.01% |
3,834
-2,757
| -42% | -$60.4K |
|
1221
PRA Group
PRAA
$657M
| $84K | ﹤0.01% |
3,224
+1,872
| +138% | +$48.8K |
|
1222
American Battery Technology Co
ABAT
$215M
| $83K | ﹤0.01% |
+17,785
| New | +$83K |
|
1223
Protolabs
PRLB
$1.18B
| $83K | ﹤0.01% |
+2,154
| New | +$83K |
|
1224
Acumen Pharmaceuticals
ABOS
$80M
| $82K | ﹤0.01% |
21,422
+9,974
| +87% | +$38.2K |
|
1225
Celsius Holdings
CELH
$14.9B
| $82K | ﹤0.01% |
+1,519
| New | +$82K |
|