CSS LLC/IL

Est. AUM

$2.09B

13F long equity, this entity only

Positions

960

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	LUMENTUM HLDGS INC	NOTE 0.500% 6/1	$216.5M	40464000	10.37%	SOLE
2	ECHOSTAR CORP	NOTE 3.875%11/3	$146.6M	40925753	7.02%	SOLE
3	JAZZ INVESTMENTS I LTD	NOTE 2.000% 6/1	$63.9M	52574000	3.06%	SOLE
4	LIVE NATION ENTERTAINMENT IN	NOTE 3.125% 1/1	$49.9M	32756000	2.39%	SOLE
5	TRANSOCEAN INC	DEB 4.625% 9/3	$49.5M	24418000	2.37%	SOLE
6	PEABODY ENGR CORP	NOTE 3.250% 3/0	$37.8M	20662000	1.81%	SOLE
7	GAMESTOP CORPPUT	CL A	$28.0M	1214000	1.34%	SOLE
8	NEXTERA ENERGY INC	UNIT 02/15/2029	$27.2M	540739	1.30%	SOLE
9	CENTERPOINT ENERGY INC	NOTE 4.250% 8/1	$24.9M	21000000	1.19%	SOLE
10	ALNYLAM PHARMACEUTICALS INC	NOTE 1.000% 9/1	$23.9M	18563000	1.14%	SOLE
11	INVESCO EXCHANGE TRADED FD T	S&P500 EQL WGT	$19.9M	103482	0.95%	SOLE
12	VANGUARD INDEX FDS	S&P 500 ETF SHS	$19.2M	32210	0.92%	SOLE
13	EQUINOX GOLD CORP	NOTE 4.750%10/1	$19.1M	7936000	0.92%	SOLE
14	CORE SCIENTIFIC INC NEW	*W EXP 01/23/202	$18.2M	2083119	0.87%	SOLE
15	ALBEMARLE CORP	7.25% DEP SHS A	$17.9M	250421	0.86%	SOLE
16	AKAMAI TECHNOLOGIES INC	NOTE 1.125% 2/1	$17.9M	15678000	0.86%	SOLE
17	STRIDE INC	NOTE 1.125% 9/0	$17.8M	10300000	0.85%	SOLE
18	ISHARES GOLD TR	ISHARES NEW	$17.6M	200040	0.84%	SOLE
19	BRIDGEBIO PHARMA INC	NOTE 1.750% 3/0	$17.1M	10100000	0.82%	SOLE
20	SPDR GOLD TRPUT	GOLD SHS	$16.4M	38000	0.78%	SOLE
21	APOLLO GLOBAL MGMT INC	SER A MAND CNV	$16.3M	277318	0.78%	SOLE
22	SNOWFLAKE INC	NOTE 10/0	$15.9M	13000000	0.76%	SOLE
23	CLOUDFLARE INC	NOTE 8/1	$15.7M	13412000	0.75%	SOLE
24	CELCUITY INC	NOTE 2.750% 8/0	$15.4M	6310000	0.74%	SOLE
25	STATE STR SPDR S&P 500 ETF TCALL	TR UNIT	$14.6M	22500	0.70%	SOLE
26	KIMCO REALTY CORP	DP CV CL N 7.25%	$14.2M	237114	0.68%	SOLE
27	STRATEGY INCPUT	CL A NEW	$14.2M	113600	0.68%	SOLE
28	MARA HOLDINGS INC	NOTE 2.125% 9/0	$14.0M	16500000	0.67%	SOLE
29	WOLFSPEED INC	NOTE 2.500% 6/1	$13.5M	9256940	0.65%	SOLE
30	CHEESECAKE FACTORY INC	NOTE 2.000% 3/1	$13.4M	13194000	0.64%	SOLE
31	HOLOGIC INCPUT	COM	$12.8M	169300	0.61%	SOLE
32	BANK AMERICA CORP	7.25%CNV PFD L	$12.3M	10314	0.59%	SOLE
33	PENUMBRA INCPUT	COM	$12.2M	37200	0.59%	SOLE
34	PENUMBRA INC	COM	$11.9M	36140	0.57%	SOLE
35	GUARDANT HEALTH INC	DEBT 1.250% 2/1	$11.8M	7014000	0.57%	SOLE
36	EL PASO ENERGY CAP TR I	PFD CV TR SEC 28	$11.6M	226704	0.55%	SOLE
37	MARA HOLDINGS INC	NOTE 3/0	$11.5M	12933000	0.55%	SOLE
38	ISHARES TRPUT	20 YR TR BD ETF	$11.3M	130000	0.54%	SOLE
39	BEYOND MEAT INC	DEBT 10/1	$10.7M	17118000	0.51%	SOLE
40	VISHAY INTERTECHNOLOGY INC	NOTE 2.250% 9/1	$9.7M	10078000	0.47%	SOLE
41	MASIMO CORPCALL	COM	$9.6M	53900	0.46%	SOLE
42	BROOKDALE SR LIVING INC	NOTE 2.000%10/1	$9.5M	5632000	0.46%	SOLE
43	XEROX HOLDINGS CORPPUT	PUT	$9.2M	7160000	0.44%	SOLE
44	CSG SYS INTL INC	NOTE 3.875% 9/1	$9.1M	7500000	0.44%	SOLE
45	HOLOGIC INC	COM	$8.9M	117968	0.43%	SOLE
46	SPECIAL OPPORTUNITIES FD INC	2.75% CNV PFD C	$8.6M	344986	0.41%	SOLE
47	SRH TOTAL RETURN FUND INC	COM	$7.9M	461965	0.38%	SOLE
48	SOUTHERN CO	NOTE 4.500% 6/1	$7.9M	7102000	0.38%	SOLE
49	STRATEGY INC	NOTE 2.250% 6/1	$7.7M	7500000	0.37%	SOLE
50	HEWLETT PACKARD ENTERPRISE C	7.625 MAND CONV	$7.5M	114501	0.36%	SOLE

1–50 of 960

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Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.