Q2 2026 13F · SEC CIK 1103646

Css Llc/il

Investment managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $1.3B
Reported positions: 694
Top holdings a year, 3 yrs: +36.0%
Average holding period: 3 qtrs

Css Llc/il is an investment manager that reported 694 positions worth $1.3B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Hewlett Packard Enterprise C (11.2%), Apollo Global Mgmt Inc Ser A Mand Cnv (APO-PA, 6.2%), Bank of Amer Corp (BAC-PL, 4.8%). A portfolio copying its top holdings returned 36.0% a year over the last 3 years, against 20.4% for the S&P 500.

Css Llc/il holdings largest 50 of 694 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Css Llc/il 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
42824C208Hewlett Packard Enterprise C	11.2%	0.9%	1,276,322	+1014.7%	$149.3M
APO-PAApollo Global Mgmt Inc Ser A Mand Cnv	6.2%	2.0%	1,361,499	+391.0%	$82.8M
BAC-PLBank of Amer Corp	4.8%	1.5%	50,372	+388.4%	$63.3M
SMCIPSuper Micro Computer Inc	3.4%	—	878,227	—	$45.3M
CORZWCore Scientific Inc New	3.3%	2.3%	2,351,492	+12.9%	$44.2M
MCHPPMicrochip Technology Inc.	3.2%	—	558,552	—	$43.0M
012653200Albemarle Corp	2.0%	2.3%	470,583	+87.9%	$26.1M
097023204Boeing Co	1.8%	—	349,354	—	$23.6M
EP-PCEl Paso Energy Cap Tr I	1.7%	1.5%	446,461	+96.9%	$22.6M
RSPInvesco Exchange Traded Fd T	1.7%	2.5%	104,072	+0.6%	$22.1M
VOOVanguard Index Fds	1.7%	2.4%	32,210	+0.0%	$22.1M
WDCWestern Digital Corp Com	1.2%	0.9%	24,933	-2.0%	$15.9M
IAUIshares Gold Tr	1.1%	2.2%	200,040	+0.0%	$15.1M
KIM-PNKimco Realty Corp	1.1%	1.8%	237,147	+0.0%	$15.0M
GOOGNAlphabet Inc	1.0%	—	266,589	—	$13.4M
SPYState Str Spdr S&p 500 ETF T	1.0%	—	17,269	—	$12.9M
PENPenumbra, Inc.	0.9%	1.5%	38,740	+7.2%	$12.2M
IONSIonis Pharmaceuticals Inc	0.9%	0.7%	152,289	+92.5%	$12.1M
OHACOceanhawk Acquisition Corp	0.8%	—	1,038,610	—	$10.3M
G37307124Futurecorp Space Acquisition	0.8%	—	1,000,000	—	$10.1M
GTLSChart Inds Inc	0.7%	—	44,924	—	$9.4M
JHGJanus Henderson Group PLC	0.7%	—	176,575	—	$9.2M
SPE-PCSpecial Opportunities Fd Inc	0.7%	1.1%	362,349	+5.0%	$9.0M
BIFSrh Total Return Fund Inc	0.6%	1.0%	461,965	+0.0%	$8.3M
65339F655NextEra Energy 7.375 15-Feb-2029 PEPS	0.6%	3.4%	172,063	-68.2%	$8.2M
TACHTitan Acquisition Corp	0.6%	0.9%	708,268	+0.0%	$7.4M
JAZZJazz Pharmaceuticals PLC	0.5%	—	29,041	—	$7.0M
EVACEqv Ventures Ac Corp. II	0.5%	—	673,659	—	$6.9M
WENNWen Acquisition Corp	0.5%	0.8%	647,631	+0.0%	$6.7M
RVMDWRevolution Medicines Inc	0.5%	—	78,367	—	$6.6M
GOOGMAlphabet Inc	0.5%	—	125,200	—	$6.3M
DBMFIm Global Partner Funds	0.5%	0.8%	205,764	+0.0%	$6.3M
SWZTotal Return Securities Fund	0.5%	0.8%	1,040,190	+1.9%	$6.2M
CUBLionheart Holdings	0.4%	—	507,589	—	$5.5M
AZULAzul S A	0.4%	—	597,806	—	$5.4M
TRGSTrg Latin Amer Acquis Corp	0.4%	—	532,949	—	$5.3M
BEBloom Energy Corp	0.4%	—	17,197	—	$5.2M
NEE-PQNextera Energy Inc	0.4%	—	97,165	—	$5.2M
SILASila Realty Trust Inc	0.4%	—	169,320	—	$5.1M
AACIUArmada Acquisition Corp III	0.4%	0.6%	499,959	-0.0%	$5.0M
82452J307Shift4 Pmts Inc	0.4%	0.6%	81,137	-1.1%	$5.0M
CTASimplify Exchange Traded Fun	0.4%	0.7%	193,879	+0.0%	$5.0M
MTSIMacom Tech Solutions Hldgs I	0.4%	—	13,148	—	$5.0M
EAElectronic Arts Inc	0.4%	—	24,281	—	$5.0M
ARTCArt Technology Acquisition Cmn	0.4%	—	487,763	—	$4.8M
LKSPLake Superior Acquisition Co	0.4%	0.6%	465,598	+0.0%	$4.7M
IPCXInflection Point Acquisiti-A	0.4%	0.6%	454,422	+0.0%	$4.7M
BRWSaba Capital Income & Oprnt Fd Shs New	0.3%	0.6%	686,484	-3.1%	$4.5M
KEYYKeystone Acquisition Corp	0.3%	—	451,508	—	$4.5M
DBRGDigitalbridge Group Inc	0.3%	0.5%	273,096	+4.1%	$4.3M

What Css Llc/il bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

Hewlett Packard Enterprise C+1014.7% shares
APO-PA Apollo Global Mgmt Inc Ser A Mand Cnv+391.0% shares
BAC-PL Bank of Amer Corp+388.4% shares
EP-PC El Paso Energy Cap Tr I+96.9% shares
IONS Ionis Pharmaceuticals Inc+92.5% shares
Albemarle Corp+87.9% shares
CORZW Core Scientific Inc New+12.9% shares
PEN Penumbra, Inc.+7.2% shares

Reduced

NextEra Energy 7.375 15-Feb-2029 PEPS-68.2% shares

Left the top 50

HOLX Hologic Incwas 1.1%
IRHO Iron Horse Acquisit II Corpwas 0.9%
GLD Spdr Gold Trwas 0.7%
TRGSU Trg Latin America Acquisitiowas 0.7%
AMPX-WT Amprius Technologies Incwas 0.7%
IPFXU Inflection Pt Acquisit Corpwas 0.5%
RSF Rivernorth Cap and Incm Fd Inc Comwas 0.5%
MESH Meshflow Acquisition Corpwas 0.5%

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +136.2% /yr; S&P 500 +20.1%
3 years: +36.0% /yr; S&P 500 +20.4%
5 years: +21.1% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$1.3B	694
Q1 2026	$795.7M	652
Q4 2025	$692.8M	649
Q3 2025	$683.2M	604
Q2 2025	$725.8M	590
Q1 2025	$575.7M	550
Q4 2024	$745.9M	541
Q3 2024	$682.1M	496
Q2 2024	$522.4M	490
Q1 2024	$460.5M	483
Q4 2023	$480.0M	447
Q3 2023	$468.7M	488

Questions about Css Llc/il's portfolio

What stocks does Css Llc/il own?

Css Llc/il's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 694 positions worth $1.3B. The largest are Hewlett Packard Enterprise C at 11.2%, Apollo Global Mgmt Inc Ser A Mand Cnv (APO-PA) at 6.2%, Bank of Amer Corp (BAC-PL) at 4.8%, Super Micro Computer Inc (SMCIP) at 3.4% and Core Scientific Inc New (CORZW) at 3.3%.

What did Css Llc/il buy last quarter?

In Q2 2026, Css Llc/il added Hewlett Packard Enterprise C (+1014.7% shares), Apollo Global Mgmt Inc Ser A Mand Cnv (APO-PA) (+391.0% shares) and Bank of Amer Corp (BAC-PL) (+388.4% shares), compared with its Q1 2026 filing.

What did Css Llc/il sell last quarter?

In Q2 2026, Css Llc/il cut from its top 50 Hologic Inc (HOLX), cut from its top 50 Iron Horse Acquisit II Corp (IRHO), cut from its top 50 Spdr Gold Tr (GLD), cut from its top 50 Trg Latin America Acquisitio (TRGSU), cut from its top 50 Amprius Technologies Inc (AMPX-WT) and NextEra Energy 7.375 15-Feb-2029 PEPS (-68.2% shares), compared with its Q1 2026 filing.

How has Css Llc/il's portfolio performed?

A portfolio copying Css Llc/il's 20 largest 13F holdings each quarter, from the day each filing was public, returned +36.0% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +136.2% against +20.1%. Over 5 years: +21.1% a year against +11.6%.

When is Css Llc/il's next 13F filing due?

13F filings are due 45 days after each quarter ends. Css Llc/il's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.