§ 13F · FUND PROFILE
CSS LLC/IL.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $2.2B (13F)Positions · 985Turnover · — · Q1Filed · May 15, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$391M deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q1 2026
FILED MAY 15, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q1 |
|---|---|---|---|---|---|---|
| 1 | LITE 0.5 06/15/28 | LUMENTUM HLDGS INC | 40.46M | $217M | 10.4% | ±0% |
| 2 | SATS 3.875 11/30/30 | ECHOSTAR CORP | 40.93M | $147M | 7.0% | +8% |
| 3 | JAZZ 2 06/15/26 | JAZZ INVESTMENTS I LTD | 52.57M | $64M | 3.1% | −19% |
| 4 | LYV 3.125 01/15/29 | LIVE NATION ENTERTAINMENT IN | 32.76M | $50M | 2.4% | ±0% |
| 5 | RIG 4.625 09/30/29 * | TRANSOCEAN INC | 24.42M | $50M | 2.4% | −11% |
| 6 | BTU 3.25 03/01/28 | PEABODY ENGR CORP | 20.66M | $38M | 1.8% | −32% |
| 7 | GME | GAMESTOP CORP | 1.21M | $28M | 1.3% | −17% |
| 8 | NEE 7.375 02/15/29 | NEXTERA ENERGY INC | 541K | $27M | 1.3% | NEW |
| 9 | CNP 4.25 08/15/26 | CENTERPOINT ENERGY INC | 21.00M | $25M | 1.2% | NEW |
| 10 | ALNY 1 09/15/27 | ALNYLAM PHARMACEUTICALS INC | 18.56M | $24M | 1.1% | NEW |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE CSS SIGNAL
AC read
CSS LLC/IL is a Other fund managing $2.2 billion in assets. The fund runs a broad portfolio of 985 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
2 FILINGS
Q1 2026
Steady book
+0 buys · −0 exits · 0 changed
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed