What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
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CIK: 0001103646
Total reported value
$2.6B
$2.6B
870 檔
17.8%
According to the latest 13F quarterly dataset, Css Llc/il managed an equity portfolio of $2.6B at the end of Q4 2025, spanning 870 distinct U.S. exchange-listed positions.
Css Llc/il executed strategic sector rebalancing during Q4 2025, establishing 60 new positions while fully exiting 51 holdings and trimming 48 positions.
Showing top 200 holdings (of 870 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ECHO 3.875 11-30-30Bond | Echostar CORP | Bond | 5.63% | -1.67% | +162.52% | |
| 2 | LITE 0.5 06-15-28Bond | Lumentum Holdings Inc | Bond | 5.11% | -0.81% | +14.10% | |
| 3 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 3.51% | +0.30% | -9.71% | |
| 4 | JAZZ 2 06-15-26Bond | Jazz Investments I LTD | Bond | 3.35% | -3.06% | EXIT | |
| 5 | IONS 0 04-01-26Bond | Ionis Pharmaceuticals In | Bond | 2.74% | — | -28.20% | |
| 6 | WDC | Western Digital Corporation | Stock-Tech | 2.53% | — | — | |
| 7 | BTU 3.25 03-01-28Bond | Peabody Energy CORP | Bond | 2.26% | -1.54% | +18.61% | |
| 8 | LYV 3.125 01-15-29Bond | Live Nation Entertainmen | Bond | 2.12% | -2.39% | EXIT | |
| 9 | EQXCN 4.75 10-15-28Bond | Equinox Gold CORP | Bond | 1.97% | +0.06% | — | |
| 10 | MSTR | Strategy Inc | Stock-Tech | 1.91% | -0.50% | -3.68% | |
| 11 | LITE 1.5 12-15-29Bond | Lumentum Holdings Inc | Bond | 1.77% | — | -44.44% | |
| 12 | RIG 4.625 09-30-29 *Bond | Transocean Interntnl LTD | Bond | 1.67% | -1.46% | +19.77% | |
| 13 | BBIO 2.25 02-01-29Bond | Bridgebio Pharma Inc | Bond | 1.33% | — | NEW | |
| 14 | BAC 7.25 PERP LBond | Bank Of America CORP | Bond | 1.31% | +1.87% | +554.89% | |
| 15 | GME | Gamestop Corp-class A | Stock-Consumer Disc | 1.31% | -0.24% | -7.59% | |
| 16 | GLD | Spdr Gold Shares | ETF-Commodities | 1.31% | -0.86% | +60.28% | |
| 17 | SOFI | Sofi Technologies Inc | Stock-Financials | 1.06% | -0.01% | EXIT | |
| 18 | RSP | Invesco S&p 500 Equal Weight | ETF-Large Cap & Growth | 0.94% | -0.15% | +22.77% | |
| 19 | GH 1.25 02-15-31Bond | Guardant Health Inc | Bond | 0.89% | -0.13% | — | |
| 20 | VOO | Vanguard S&p 500 ETF | ETF-Large Cap & Growth | 0.88% | -0.06% | +13.08% | |
| 21 | AAL | American Airlines Group Inc | Stock-Industrials | 0.83% | -0.09% | -14.76% | |
| 22 | CORZW | Core Scientific Inc - 27 | Stock-Other | 0.76% | +0.85% | +99.37% | |
| 23 | IAU | Ishares Gold Trust | ETF-Commodities | 0.71% | -0.25% | +6.49% | |
| 24 | MNKD 2.5 03-01-26Bond | Mannkind CORP | Bond | 0.71% | — | — | |
| 25 | SNOW 0 10-01-27Bond | Snowflake Inc | Bond | 0.69% | -0.08% | EXIT | |
| 26 | AKAM 1.125 02-15-29Bond | Akamai Technologies Inc | Bond | 0.68% | +0.29% | +120.37% | |
| 27 | COLL 2.875 02-15-29Bond | Collegium Pharma Inc | Bond | 0.66% | — | — | |
| 28 | RKLB | Rocket Lab CORP | Stock-Industrials | 0.65% | — | -1.27% | |
| 29 | VTR 3.75 06-01-26Bond | Ventas Realty LP | Bond | 0.65% | — | +246.56% | |
| 30 | LRN 1.125 09-01-27Bond | Stride Inc | Bond | 0.63% | -0.85% | EXIT | |
| 31 | MARA 2.125 09-01-31Bond | Mara Holdings Inc | Bond | 0.61% | -0.24% | +6.25% | |
| 32 | BYND 7 10-15-30Bond | Beyond Meat Inc | Bond | 0.58% | -0.15% | — | |
| 33 | HAE 2.5 06-01-29Bond | Haemonetics CORP | Bond | 0.58% | +0.44% | — | |
| 34 | PPL 2.875 03-15-28Bond | Ppl Capital Funding Inc | Bond | 0.56% | +0.23% | — | |
| 35 | FLNC 2.25 06-15-30Bond | Fluence Energy Inc | Bond | 0.55% | -0.30% | EXIT | |
| 36 | W 3.5 11-15-28Bond | Wayfair Inc | Bond | 0.52% | — | -70.19% | |
| 37 | KIM 7.25 PERP NBond | Kimco Realty CORP | Bond | 0.52% | -0.10% | -27.55% | |
| 38 | CIFR 1.75 05-15-30Bond | Cipher Digital Inc | Bond | 0.46% | — | — | |
| 39 | SWZ | Total Return Securities Fund | Stock-Other | 0.46% | -0.05% | +204.58% | |
| 40 | WOLF 2.5 06-15-31Bond | Wolfspeed Inc | Bond | 0.45% | +1.46% | — | |
| 41 | F 0 03-15-26Bond | Ford Motor Company | Bond | 0.43% | — | +483.19% | |
| 42 | ECHO | Echostar Corp-a | Stock-Comm Services | 0.41% | -0.04% | +7.92% | |
| 43 | CELC 2.75 08-01-31Bond | Celcuity Inc | Bond | 0.41% | -0.28% | — | |
| 44 | MARA 0 03-01-30Bond | Mara Holdings Inc | Bond | 0.40% | -0.18% | — | |
| 45 | PTCT 1.5 09-15-26Bond | Ptc Therapeutics Inc | Bond | 0.40% | +0.55% | -62.50% | |
| 46 | MSTR 2.25 06-15-32Bond | Strategy Inc | Bond | 0.39% | -0.37% | EXIT | |
| 47 | PSKY | Paramount Skydance Cl B | Stock-Comm Services | 0.39% | — | -12.06% | |
| 48 | STEW | Srh Total Return Fund Inc | Stock-Other | 0.38% | -0.06% | +0.04% | |
| 49 | SMCI 3.5 03-01-29Bond | Super Micro Computer Inc | Bond | 0.38% | -0.06% | EXIT | |
| 50 | LYFT 0.625 03-01-29Bond | Lyft Inc | Bond | 0.37% | — | +178.76% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ECHO 3.875 11-30-30Bond | Echostar CORP | +4% | +162.52% | Add |
| 2 | LITE 0.5 06-15-28Bond | Lumentum Holdings Inc | +2.9% | +14.10% | Add |
| 3 | BBIO 2.25 02-01-29Bond | Bridgebio Pharma Inc | +1.3% | +1666.67% | Add |
| 4 | BAC 7.25 PERP LBond | Bank Of America CORP | +1.1% | +554.89% | Add |
| 5 | GLD | Spdr Gold Shares | +0.6% | +60.28% | Add |
| 6 | BTU 3.25 03-01-28Bond | Peabody Energy CORP | +0.5% | +18.61% | Add |
| 7 | VTR 3.75 06-01-26Bond | Ventas Realty LP | +0.5% | +246.56% | Add |
| 8 | RIG 4.625 09-30-29 *Bond | Transocean Interntnl LTD | +0.4% | +19.77% | Add |
| 9 | JAZZ 2 06-15-26Bond | Jazz Investments I LTD | +0.4% | +4.00% | Add |
| 10 | AKAM 1.125 02-15-29Bond | Akamai Technologies Inc | +0.4% | +120.37% | Add |
| 11 | SOFI | Sofi Technologies Inc | +0.4% | +56.84% | Add |
| 12 | F 0 03-15-26Bond | Ford Motor Company | +0.4% | +483.19% | Add |
| 13 | EQXCN 4.75 10-15-28Bond | Equinox Gold CORP | +0.3% | — | Unchanged |
| 14 | LITE 1.5 12-15-29Bond | Lumentum Holdings Inc | +0.3% | -44.44% | Trim |
| 15 | SWZ | Total Return Securities Fund | +0.3% | +204.58% | Add |
| 16 | SPB 3.375 06-01-29Bond | Spectrum Brands Inc | +0.3% | +240.31% | Add |
| 17 | CORZW | Core Scientific Inc - 27 | +0.2% | +99.37% | Add |
| 18 | LNT 3.875 03-15-26Bond | Alliant Energy CORP | +0.2% | +212.01% | Add |
| 19 | LYFT 0.625 03-01-29Bond | Lyft Inc | +0.2% | +178.76% | Add |
| 20 | SMCI 3.5 03-01-29Bond | Super Micro Computer Inc | +0.2% | +137.50% | Add |
| 21 | RKLB | Rocket Lab CORP | +0.2% | -1.27% | Trim |
| 22 | BRW | Saba Capital Income & Opport | +0.2% | +542.71% | Add |
| 23 | RSP | Invesco S&p 500 Equal Weight | +0.2% | +22.77% | Add |
| 24 | PENN 2.75 05-15-26Bond | Penn Entertainment Inc | +0.2% | +9722.22% | Add |
| 25 | ✓ | Berto Acquisition CORP | +0.2% | +2365.08% | Add |
| 26 | ECHO | Echostar Corp-a | +0.1% | +7.92% | Add |
| 27 | VOO | Vanguard S&p 500 ETF | +0.1% | +13.08% | Add |
| 28 | XLF | Ss Financial Select Sector | +0.1% | +118.75% | Add |
| 29 | AAL | American Airlines Group Inc | +0.1% | -14.76% | Trim |
| 30 | HO1 | Hologic Inc | +0.1% | +502.62% | Add |
| 31 | IAU | Ishares Gold Trust | +0.1% | +6.49% | Add |
| 32 | EXAS 0.375 03-01-28Bond | Exact Sciences CORP | +0.1% | +81.50% | Add |
| 33 | RIVN | Rivian Automotive Inc-a | +0.1% | +2.53% | Add |
| 34 | EA | Electronic Arts Inc | +0.1% | +138.78% | Add |
| 35 | CIFR 1.75 05-15-30Bond | Cipher Digital Inc | +0.1% | — | Unchanged |
| 36 | CIO | City Office Reit Inc | +0.1% | +1743.48% | Add |
| 37 | WBD | Warner Bros Discovery Inc | +0.1% | +424.00% | Add |
| 38 | BKD 2 10-15-26Bond | Brookdale Senior Living | +0.1% | — | Unchanged |
| 39 | W | Wayfair Inc- Class A | +0.1% | +42.86% | Add |
| 40 | CRWD | Crowdstrike Holdings Inc - A | +0.1% | +145.39% | Add |
| 41 | BHF | Brighthouse Financial Inc | +0.1% | +155.00% | Add |
| 42 | CTA | Simplify Managed Futures St | 0% | +29.82% | Add |
| 43 | OPFI | Oppfi Inc | -0.1% | -84.01% | Trim |
| 44 | ZTR | Virtus Total Return Fund Inc | -0.1% | -68.49% | Trim |
| 45 | SMR | Nuscale Power CORP | -0.1% | -31.91% | Trim |
| 46 | RIOT | Riot Platforms Inc | -0.1% | -28.80% | Trim |
| 47 | AR | Antero Resources CORP | -0.1% | -70.76% | Trim |
| 48 | NIO | Nio Inc - Adr | -0.1% | +19.88% | Add |
| 49 | GEN | Gen Digital Inc | -0.1% | -53.00% | Trim |
| 50 | EFA | Ishares Msci Eafe ETF | -0.1% | -35.34% | Trim |
According to official SEC Form 13F filings, Css Llc/il reported a total U.S. public equity portfolio value of $2.6B across 870 disclosed positions in Q4 2025.
During Q4 2025, Css Llc/il's top holdings by market value included ECHO 3.875 11-30-30 (5.6%)、LITE 0.5 06-15-28 (5.1%)、SPY (3.5%). The largest single position, ECHO 3.875 11-30-30, represented 5.6% of total portfolio value.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including ECHO 3.875 11-30-30, LITE 0.5 06-15-28, SPY) accounted for 17.8% of total reported equity market value during Q4 2025.
Top New Position Initiated
WDC
市值: $56.8M
Top Position Liquidated / Trimmed
SNDK
前期市值: $37.0M
In Q4 2025, Css Llc/il made 197 total portfolio adjustments, initiating 60 new buys, adding to 38 positions, trimming 48 holdings, and fully liquidating 51 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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