Simplex Trading Portfolio holdings

AUM $2.82B

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.

AUM

$2.82B

AUM Growth

-$729M (-21%)

Cap. Flow

+$412M

Cap. Flow % of AUM

14.63%

Top 10 Holdings %Top 10 Hldgs %

31.34%

Holding

4,436

New

903

Increased

735

Reduced

755

Closed

942

Top Buys

1	iShares 20+ Year Treasury Bond ETF TLT	$278M
2	Alphabet (Google) Class A GOOGL	$84.4M
3	NVIDIA NVDA	$76.9M
4	TSMC TSM	$74.9M
5	Amazon AMZN	$53.5M

Top Sells

1	Apple AAPL	$497M
2	MicroStrategy MSTR	$73.7M
3	Uber UBER	$41.8M
4	Bilibili BILI	$18.2M
5	Newmont NEM	$16.9M

Sector Composition

1	Technology	22.97%
2	Consumer Discretionary	12.26%
3	Healthcare	9.52%
4	Communication Services	8.42%
5	Financials	7.07%

#	Name	Market Value	Portfolio Weight	Shares or Principal	Shares Change %	Capital Flow
2226	2226 UFP Technologies UFPT $1.85B	$1K	0%	5	New	+$1K
2227	2227 Unifirst Corp UNF $3.4B	$1K	0%	8	New	+$1K
2228	2228 Vanguard Short-Term Treasury ETF VGSH $22.4B	$1K	0%	32	New	+$1K
2229	2229 Varex Imaging VREX $318M	$1K	0%	131	New	+$1K
2230	2230 Walker & Dunlop WD $2.27B	$1K	0%	23 +3	+15%	+$130
2231	2231 Beyond Air XAIR $17.5M	$1K	0%	5,629	New	+$1K
2232	2232 Invesco S&P SmallCap High Dividend Low Volatility ETF XSHD $72M	$1K	0%	100	New	+$1K
2233	2233 God Bless America ETF YALL $88.8M	$1K	0%	54	–	–
2234	2234 Y-mAbs Therapeutics YMAB $210M	$1K	0%	437 -1,346	-75%	-$3.08K
2235	2235 Alto Neuroscience ANRO $61.5M	$1K	0%	584	New	+$1K
2236	2236 PACS Group PACS $2.06B	$1K	0%	154 -33,797	-100%	-$219K
2237	CONI 2237 GraniteShares ETF Trust GraniteShares 2x Short COIN Daily ETF CONI $7.68M	$1K	0%	96	New	+$1K
2238	ETU 2238 T-Rex 2X Long Ether Daily Target ETF ETU $8.43M	$1K	0%	161	New	+$1K
2239	IRD 2239 Opus Genetics, Inc. Common Stock IRD $55.6M	$1K	0%	1,618	New	+$1K
2240	CEPI 2240 REX Crypto Equity Premium Income ETF CEPI $41.1M	$1K	0%	42	New	+$1K
2241	CUTR 2241 DELISTED Cutera, Inc. CUTR	$1K	0%	156,708	New	+$1K
2242	CMLS 2242 DELISTED Cumulus Media Inc. Class A Common Stock CMLS	$1K	0%	3,135 -3,030	-49%	-$967
2243	LUNA 2243 DELISTED Luna Innovations Incorporated LUNA	$1K	0%	2,700 -8,106	-75%	-$3K
2244	VGMS 2244 Vanguard Multi-Sector Income Bond ETF VGMS	$0	0%	0	–	–
2245	VTEL 2245 Vanguard Long-Term Tax-Exempt Bond ETF VTEL $24.9M	$0	0%	0	–	–
2246	HCOR 2246 DELISTED Hartford Corporate Bond ETF HCOR	$0	0%	0	–	–
2247	TYNS 2247 DELISTED Direxion Daily 7-10 Year Treasury Bear 1X Shares TYNS	$0	0%	0	–	–
2248	HUSE 2248 DELISTED Strategy Shares US Market Rotation Strategy ETF HUSE	$0	0%	0	–	–
2249	KNGS 2249 DELISTED Roundhill S&P Dividend Monarchs ETF KNGS	$0	0%	0	–	–
2250	HTGCR 2250 DELISTED HERCULES TECHNOLOGY GROWTH CAP INC TRANS RGTS TO PUR COM STK HTGCR	$0	0%	0	–	–