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 |
NVIDIA
NVDA
|
+$216M |
| 2 |
Apple
AAPL
|
+$159M |
| 3 |
Broadcom
AVGO
|
+$128M |
| 4 |
Booking.com
BKNG
|
+$62.2M |
| 5 |
SPDR S&P 500 ETF Trust
SPY
|
+$61.9M |
Top Sells
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$141M |
| 2 |
Amazon
AMZN
|
+$53.1M |
| 3 |
TSMC
TSM
|
+$45.7M |
| 4 |
Netflix
NFLX
|
+$45.3M |
| 5 |
Pfizer
PFE
|
+$38.3M |
Sector Composition
| 1 | Technology | 34.74% |
| 2 | Communication Services | 9% |
| 3 | Consumer Discretionary | 8.67% |
| 4 | Healthcare | 8.07% |
| 5 | Financials | 6.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
|
USAR
751
USA Rare Earth, Inc. Class A Common Stock
USAR
$1.35B
| $325K | ﹤0.01% |
+29,682
| New | +$325K |
|
752
Apple Hospitality REIT
APLE
$2.97B
| $321K | ﹤0.01% |
27,533
+22,740
| +474% | +$265K |
|
753
Hercules Capital
HTGC
$3.51B
| $321K | ﹤0.01% |
17,596
-55,258
| -76% | -$1.01M |
|
754
NetApp
NTAP
$24.7B
| $321K | ﹤0.01% |
+3,022
| New | +$321K |
|
755
Surgery Partners
SGRY
$2.75B
| $321K | ﹤0.01% |
+14,458
| New | +$321K |
|
756
-1x Short VIX Futures ETF
SVIX
$191M
| $319K | ﹤0.01% |
20,578
-28,473
| -58% | -$441K |
|
757
ScottsMiracle-Gro
SMG
$3.5B
| $316K | ﹤0.01% |
4,799
-104,866
| -96% | -$6.91M |
|
758
Crane Co
CR
$10.5B
| $315K | ﹤0.01% |
1,661
-8,562
| -84% | -$1.62M |
|
759
PennantPark Floating Rate Capital
PFLT
$1.01B
| $315K | ﹤0.01% |
30,528
+29,295
| +2,376% | +$302K |
|
760
Comfort Systems
FIX
$26.5B
| $314K | ﹤0.01% |
586
-1,281
| -69% | -$686K |
|
761
Jackson Financial
JXN
$6.75B
| $312K | ﹤0.01% |
3,520
+3,465
| +6,300% | +$307K |
|
762
Otis Worldwide
OTIS
$34.4B
| $312K | ﹤0.01% |
+3,151
| New | +$312K |
|
763
Manitowoc
MTW
$357M
| $311K | ﹤0.01% |
25,880
+25,715
| +15,585% | +$309K |
|
764
Steven Madden
SHOO
$2.22B
| $310K | ﹤0.01% |
12,963
+10,696
| +472% | +$256K |
|
765
Ormat Technologies
ORA
$5.51B
| $309K | ﹤0.01% |
3,698
+2,827
| +325% | +$236K |
|
766
SPDR S&P 600 Small Cap Growth ETF
SLYG
$3.53B
| $309K | ﹤0.01% |
3,491
+3,361
| +2,585% | +$297K |
|
767
Simplify Short Term Treasury Futures Strategy ETF
TUA
$643M
| $308K | ﹤0.01% |
14,020
+7,967
| +132% | +$175K |
|
768
UWM Holdings
UWMC
$1.49B
| $308K | ﹤0.01% |
74,504
+19,909
| +36% | +$82.3K |
|
769
PRA Group
PRAA
$653M
| $307K | ﹤0.01% |
20,821
+19,905
| +2,173% | +$293K |
|
770
Axalta
AXTA
$6.7B
| $306K | ﹤0.01% |
10,328
-7,319
| -41% | -$217K |
|
771
Freshpet
FRPT
$2.61B
| $306K | ﹤0.01% |
4,508
+473
| +12% | +$32.1K |
|
772
G-III Apparel Group
GIII
$1.13B
| $306K | ﹤0.01% |
+13,695
| New | +$306K |
|
773
Seadrill
SDRL
$2.02B
| $306K | ﹤0.01% |
+11,669
| New | +$306K |
|
774
O-I Glass
OI
$1.95B
| $305K | ﹤0.01% |
20,750
+6,568
| +46% | +$96.5K |
|
|
UROY
775
Uranium Royalty Corp
UROY
$438M
| $304K | ﹤0.01% |
121,732
+95,956
| +372% | +$240K |
|