What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0001600133
Total reported value
$71.3M
$71.3M
16 檔
50.8%
As reported in its official Q4 2025 Form 13F filing, 13D Management LLC's tracked investment portfolio stood at $71.3M with 16 total positions.
In Q4 2025, 13D Management LLC adopted a defensive or profit-taking posture, trimming 3 positions and completely liquidating 6 holdings to manage risk exposure.
In terms of portfolio concentration, the top 5 core holdings (including TWLO, MRCY, VSAT) accounted for 50.8% of total reported equity market value during Q4 2025.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TWLO | Twilio Inc - A | Stock-Tech | 10.28% | -0.57% | — | |
| 2 | MRCY | Mercury Systems Inc | Stock-Industrials | 9.01% | +3.54% | -24.27% | |
| 3 | VSAT | Viasat Inc | Stock-Tech | 8.27% | +4.19% | -24.44% | |
| 4 | ALV | Autoliv Inc | Stock-Consumer Disc | 7.89% | -0.01% | — | |
| 5 | PSO | Pearson Plc-sponsored Adr | Stock-Other | 7.66% | +0.88% | — | |
| 6 | CRL | Charles River Laboratories | Stock-Healthcare | 6.65% | +1.30% | — | |
| 7 | EXEL | Exelixis Inc | Stock-Healthcare | 6.28% | +0.99% | — | |
| 8 | SWX | Southwest Gas Holdings Inc | Stock-Utilities | 6.07% | — | — | |
| 9 | BILL | Bill Holdings Inc | Stock-Tech | 5.84% | — | — | |
| 10 | WK | Workiva Inc | Stock-Tech | 5.34% | -4.81% | EXIT | |
| 11 | WEX | Wex Inc | Stock-Tech | 5.20% | — | — | |
| 12 | TRIP | Tripadvisor Inc | Stock-Other | 5.20% | -4.96% | EXIT | |
| 13 | ETSY | Etsy Inc | Stock-Consumer Disc | 4.74% | +2.02% | -7.71% | |
| 14 | ITGR | Integer Holdings CORP | Stock-Healthcare | 4.39% | -0.25% | — | |
| 15 | LW | Lamb Weston Holdings Inc | Stock-Consumer Staples | 3.79% | — | — | |
| 16 | FUN | Six Flags Entertainment CORP | Stock-Other | 3.40% | +0.44% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | TWLO | Twilio Inc - A | +4.5% | — | Unchanged |
| 2 | CRL | Charles River Laboratories | +2.5% | — | Unchanged |
| 3 | EXEL | Exelixis Inc | +1.5% | — | Unchanged |
| 4 | PSO | Pearson Plc-sponsored Adr | +1.4% | — | Unchanged |
| 5 | ALV | Autoliv Inc | +1.3% | — | Unchanged |
| 6 | SWX | Southwest Gas Holdings Inc | +1.3% | — | Unchanged |
| 7 | BILL | Bill Holdings Inc | +1.3% | — | Unchanged |
| 8 | VSAT | Viasat Inc | +0.8% | -24.44% | Trim |
| 9 | TRIP | Tripadvisor Inc | +0.5% | — | Unchanged |
| 10 | ETSY | Etsy Inc | -0.2% | -7.71% | Trim |
| 11 | LW | Lamb Weston Holdings Inc | -0.4% | — | Unchanged |
| 12 | MRCY | Mercury Systems Inc | -1.2% | -24.27% | Trim |
| 13 | QRVO | Qorvo Inc | — | EXIT | Sold out |
| 14 | JHG | Janus Henderson Group plc | — | EXIT | Sold out |
| 15 | ABG | Asbury Automotive Group | — | EXIT | Sold out |
| 16 | MTCH | Match Group Inc | — | EXIT | Sold out |
| 17 | WK | Workiva Inc | — | NEW | New buy |
| 18 | PFGC | Performance Food Group Co | — | EXIT | Sold out |
| 19 | YETI | Yeti Holdings Inc | — | EXIT | Sold out |
| 20 | WEX | Wex Inc | — | NEW | New buy |
| 21 | ITGR | Integer Holdings CORP | — | NEW | New buy |
| 22 | FUN | Six Flags Entertainment CORP | — | NEW | New buy |
According to official SEC Form 13F filings, 13D Management LLC reported a total U.S. public equity portfolio value of $71.3M across 16 disclosed positions in Q4 2025.
During Q4 2025, 13D Management LLC's top holdings by market value included TWLO (10.3%)、MRCY (9.0%)、VSAT (8.3%). The largest single position, TWLO, represented 10.3% 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.
Top New Position Initiated
WK
市值: $4.5M
Top Position Liquidated / Trimmed
QRVO
前期市值: $8.1M
In Q4 2025, 13D Management LLC made 13 total portfolio adjustments, initiating 4 new buys, adding to 0 positions, trimming 3 holdings, and fully liquidating 6 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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