CSS LLC/IL

CIK

1103646

Location

CHICAGO, IL

Portfolio Value

Micro $7,825,661

Diversification

Diversified

Filing Date

Global Rank

#2,101 / 8,586 ▼ 60

Top Industry

Shell Companies 14.2%

3Y Alpha vs SPY

-4.9%

Period ended 3 months ago

Filed May 15, 2026 · 32d

25 quarters · since Mar 2020

Clone Performance

Jun 2023–Jun 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio

+57.4%

SPY

+78.1%

Annualised alpha

-4.9%

Max drawdown

−21.0%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

541 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025

Top Position

3.8%

−5.9 pts

Top 5

15.6%

−9.5 pts

Top 10

23.4%

−10.2 pts

HHI

Diversified−104

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026

Sector	% Portfolio	Value	Positions
Financial Services	28.2%	$210,067,138	150
Healthcare	15.6%	$116,335,422	63
Technology	15.0%	$112,005,016	89
Unclassified	10.6%	$78,881,742	13
Consumer Cyclical	9.5%	$70,770,264	54
Industrials	6.6%	$49,439,493	51
Communication Services	4.6%	$34,528,464	27
Energy	3.9%	$29,161,712	30
Consumer Defensive	2.1%	$15,906,475	21
Utilities	1.6%	$11,610,030	14
Real Estate	1.2%	$8,574,600	16
Basic Materials	1.1%	$7,825,661	13

Last Quarter's Activity

Export CSV

Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased

25 positions

Ticker	Company	Δ Shares	Shares	Value
AMC	Amc Entertainment Holdings, Inc.	+462,300	1,308,600	$1,282,428
DAAQ	Digital Asset Acquisition Corp.	+349,581	368,581	$3,774,269
HOLX	HOLOGIC INC	+271,995	312,268	$23,604,338
PTON	Peloton Interactive, Inc.	+128,800	143,500	$615,615
SM	SM Energy Co	+95,863	106,107	$3,308,416
CTLP	Cantaloupe, Inc.	+94,094	237,405	$2,566,348
CIFR	Cipher Digital Inc.	+81,650	172,150	$2,215,570
UDMY	Udemy, Inc.	+48,000	63,000	$291,060
SABA	Saba Capital Income & Opportunities Fund II	+45,499	171,108	$1,423,618
SMCI	Super Micro Computer, Inc.	+42,900	146,400	$3,333,528
CAF	Morgan Stanley China A Share Fund, Inc.	+38,967	78,932	$1,381,310
ADT	ADT Inc.	+36,510	202,650	$1,331,410
HPQ	Hp Inc	+34,990	88,775	$1,705,367
AI	C3.ai, Inc.	+32,600	62,600	$527,092
IMXI	International Money Express, Inc.	+31,317	88,447	$1,397,462
BSL	Blackstone Senior Floating Rate 2027 Term Fund	+30,551	64,977	$841,452
AL	SUMISHO AIR LEASE CORP	+29,494	45,828	$2,976,070
OGN	Organon & Co.	+28,140	45,433	$272,143
JOBY	Joby Aviation, Inc.	+28,100	62,200	$513,772
PRA	Proassurance Corp	+26,115	78,917	$1,950,828
BHF	Brighthouse Financial, Inc.	+26,085	51,585	$3,088,909
HIMS	Hims & Hers Health, Inc.	+25,116	125,016	$2,595,332
MTDR	Matador Resources Co	+23,390	35,201	$2,223,999
CNC	Centene Corp	+22,573	51,865	$1,698,060
TDC	Teradata Corp /De/	+22,210	35,683	$914,555
No positions match the current search.

Trimmed

Positions the filer reduced

25 positions

Ticker	Company	Δ Shares	Shares	Value
SOFI	SoFi Technologies, Inc.	−889,463	18,000	$285,840
DMII	Drugs Made In America Acquisition II Corp.	−695,959	110,042	$1,097,118
SWZ	Total Return Securities Fund	−638,460	1,020,547	$6,051,843
AAL	American Airlines Group Inc.	−629,600	582,300	$6,253,902
PLUG	Plug Power Inc	−501,300	536,400	$1,212,264
NIO	NIO Inc.	−367,200	760,000	$4,582,800
KDK	Kodiak AI, Inc.	−255,368	64,632	$448,546
GME	GameStop Corp.	−247,000	1,222,360	$28,163,174
RAAQ	Real Asset Acquisition Corp.	−209,063	177,685	$1,865,692
RKLB	Rocket Lab Corp	−203,700	7,027	$451,273
DYOR	Insight Digital Partners II	−188,390	61,610	$613,327
MSTR	Strategy Inc	−167,800	114,600	$14,302,080
RIVN	Rivian Automotive, Inc. / DE	−156,100	204,000	$3,070,200
AUR	Aurora Innovation, Inc.	−127,685	17,421	$71,774
HTZ	Hertz Global Holdings, Inc	−124,600	146,600	$675,826
SPY	Spdr S&P 500 ETF Trust	−89,346	26,500	$17,234,010
CCRN	Cross Country Healthcare Inc	−80,780	97,086	$912,608
XRX	Xerox Holdings Corp	−76,500	20,400	$26,316
QS	QuantumScape Corp	−66,900	115,700	$738,166
SOUN	Soundhound Ai, Inc.	−65,000	45,000	$309,150
CLSK	Cleanspark, Inc.	−61,200	37,900	$322,529
CEPV	Cantor Equity Partners V, Inc.	−51,145	133,548	$1,348,834
RIG	Transocean Ltd.	−50,000	24,000	$159,120
QBTS	D-Wave Quantum Inc.	−45,300	12,100	$174,603
RUN	Sunrun Inc.	−44,000	65,078	$882,457
No positions match the current search.

New Positions

Positions the filer opened this quarter

25 positions

Ticker	Company	Shares	Value
PEN	Penumbra Inc	74,240	$24,378,188
MASI	Masimo Corp	54,000	$9,604,980
DBRG	DigitalBridge Group, Inc.	569,448	$8,780,888
IRHO	Iron Horse Acquisition II Corp.	737,555	$7,272,292
IONS	Ionis Pharmaceuticals Inc	81,093	$6,089,273
FOUR	Shift4 Payments, Inc.	128,927	$5,637,977
APLS	Apellis Pharmaceuticals, Inc.	127,118	$5,113,957
MESH	Meshflow Acquisition Corp	396,547	$3,921,849
BCSS	Bain Capital GSS Investment Corp.	387,390	$3,917,287
PTOR	Praetorian Acquisition Corp.	397,053	$3,891,119
NVDA	Nvidia Corp	20,100	$3,505,440
CNTA	Centessa Pharmaceuticals plc	78,900	$3,133,908
SEMR	SEMrush Holdings, Inc.	239,600	$2,860,824
CWAN	Clearwater Analytics Holdings, Inc.	118,162	$2,794,531
MEVO	M Evo Global Acquisition Corp II	261,390	$2,574,691
XCBE	X3 Acquisition Corp. Ltd.	250,000	$2,460,000
DBCA	D. Boral Acquisition I Corp.	248,000	$2,445,280
DVN	Devon Energy Corp/De	40,506	$2,038,261
BDCI	BTC Development Corp.	203,159	$2,029,558
SVIV	Spring Valley Acquisition Corp. IV	195,070	$1,925,340
MLAA	Mountain Lake Acquisition Corp. II	190,236	$1,873,824
ETN	Eaton Corp plc	5,190	$1,856,307
OS	OneStream, Inc.	71,108	$1,706,592
HVMC	Highview Merger Corp.	167,374	$1,682,108
ALF	Centurion Acquisition Corp.	150,681	$1,621,327
No positions match the current search.

Sold Out

Positions the filer fully exited

25 positions

Ticker	Company	Shares	Value
PSKY	Paramount Skydance Corp	652,379	$8,741,878
SMTC	Semtech Corp	53,535	$3,944,994
NEE	Nextera Energy Inc	38,995	$3,130,518
AXON	Axon Enterprise, Inc.	5,053	$2,869,750
MP	MP Materials Corp. / DE	53,783	$2,717,117
ASTS	AST SpaceMobile, Inc.	33,153	$2,407,902
EXAS	EXACT SCIENCES CORP	21,946	$2,228,835
AAPL	Apple Inc.	7,560	$2,055,261
CRWD	CrowdStrike Holdings, Inc.	4,260	$1,996,917
WELL	Welltower Inc.	10,000	$1,856,100
USFD	US Foods Holding Corp.	17,362	$1,307,705
EQX	Equinox Gold Corp.	91,800	$1,288,872
FHI	Federated Hermes, Inc.	24,470	$1,274,152
CSIQ	Canadian Solar Inc.	53,037	$1,260,689
BNTX	BioNTech SE	12,161	$1,157,727
OZK	Bank OZK	23,327	$1,073,508
VEEV	Veeva Systems Inc	4,670	$1,042,484
AMZN	Amazon Com Inc	4,499	$1,038,459
HIG	Hartford Insurance Group, Inc.	7,499	$1,033,362
MO	Altria Group, Inc.	17,489	$1,008,415
SO	Southern Co	11,156	$972,803
SHOP	Shopify Inc.	6,000	$965,820
LUNR	Intuitive Machines, Inc.	58,218	$944,878
GOOGL	Alphabet Inc.	2,730	$854,490
PWR	Quanta Services, Inc.	2,000	$844,120
No positions match the current search.

Portfolio Positions

Compact Export CSV View 13F filing

13 positions · $7,825,661 total · Basic Materials only · as of Mar 31, 2026

All sectors Basic Materials Communication Services Consumer Cyclical Consumer Defensive Energy Financial Services Healthcare Industrials Real Estate Technology Utilities

Ticker	Company	Type	Shares	Δ Shares	Value (USD)	% Δ Value	% of Portfolio
PPG	Ppg Industries Inc Basic Materials	Reduced	10,249	-1,930	$1,095,413	−12.2%	14.00%
CTGO	Contango Silver & Gold Inc. Basic Materials	NEW	51,312	NEW	$962,100	NEW	12.29%
TECK	Teck Resources Ltd Basic Materials	Reduced	17,907	-2,186	$926,687	−3.7%	11.84%
CF	CF Industries Holdings, Inc. Basic Materials	Reduced	6,378	-4,850	$828,119	−4.6%	10.58%
AXTA	Axalta Coating Systems Ltd. Basic Materials	Added	27,947	+10	$774,131	−14.2%	9.89%
ASH	Ashland Inc. Basic Materials	Reduced	12,622	-728	$701,909	−10.4%	8.97%
MOS	Mosaic Co Basic Materials	Reduced	21,888	-32,120	$558,144	−57.1%	7.13%
EMN	Eastman Chemical Co Basic Materials	Held	6,550	0	$499,896	+19.6%	6.39%
STLD	Steel Dynamics Inc Basic Materials	Added	2,500	+50	$450,000	+8.4%	5.75%
OLN	OLIN Corp Basic Materials	Reduced	12,443	-6,520	$369,930	−6.3%	4.73%
MEOH	Methanex Corp Basic Materials	Held	5,650	0	$336,401	+49.9%	4.30%
NUE	Nucor Corp Basic Materials	NEW	1,410	NEW	$238,431	NEW	3.05%
CLF	Cleveland-Cliffs Inc. Basic Materials	NEW	10,000	NEW	$84,500	NEW	1.08%