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
18 檔
55.9%
The Q3 2025 SEC filing reveals that 13D Management LLC held a total portfolio value of $71.3M, covering 18 public equity positions.
In Q3 2025, 13D Management LLC adopted a defensive or profit-taking posture, trimming 12 positions and completely liquidating 8 holdings to manage risk exposure.
In terms of portfolio concentration, the top 5 core holdings (including MRCY, QRVO, VSAT) accounted for 55.9% of total reported equity market value during Q3 2025.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MRCY | Mercury Systems Inc | Stock-Industrials | 10.17% | +3.54% | — | |
| 2 | QRVO | Qorvo Inc | Stock-Tech | 7.75% | — | — | |
| 3 | VSAT | Viasat Inc | Stock-Tech | 7.50% | +4.19% | — | |
| 4 | ALV | Autoliv Inc | Stock-Consumer Disc | 6.61% | -0.01% | — | |
| 5 | PSO | Pearson Plc-sponsored Adr | Stock-Other | 6.22% | +0.88% | — | |
| 6 | TWLO | Twilio Inc - A | Stock-Tech | 5.83% | -0.57% | — | |
| 7 | JHG | Janus Henderson Group plc | Stock-Financials | 5.75% | — | — | |
| 8 | ABG | Asbury Automotive Group | Stock-Consumer Disc | 5.00% | — | -21.23% | |
| 9 | ETSY | Etsy Inc | Stock-Consumer Disc | 4.95% | +2.02% | — | |
| 10 | SWX | Southwest Gas Holdings Inc | Stock-Utilities | 4.79% | — | -34.09% | |
| 11 | EXEL | Exelixis Inc | Stock-Healthcare | 4.76% | +0.99% | -16.05% | |
| 12 | TRIP | Tripadvisor Inc | Stock-Other | 4.68% | -4.96% | EXIT | |
| 13 | BILL | Bill Holdings Inc | Stock-Tech | 4.57% | — | — | |
| 14 | MTCH | Match Group Inc | Stock-Comm Services | 4.50% | — | — | |
| 15 | PFGC | Performance Food Group Co | Stock-Consumer Staples | 4.29% | — | — | |
| 16 | LW | Lamb Weston Holdings Inc | Stock-Consumer Staples | 4.23% | — | -5.68% | |
| 17 | CRL | Charles River Laboratories | Stock-Healthcare | 4.20% | +1.30% | — | |
| 18 | YETI | Yeti Holdings Inc | Stock-Consumer Disc | 4.20% | — | -19.51% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | QRVO | Qorvo Inc | +3% | — | Add |
| 2 | MRCY | Mercury Systems Inc | +2.5% | — | Trim |
| 3 | ALV | Autoliv Inc | +2.1% | — | Trim |
| 4 | ETSY | Etsy Inc | +1.6% | — | Trim |
| 5 | JHG | Janus Henderson Group plc | +1.3% | — | Trim |
| 6 | MTCH | Match Group Inc | +0.8% | — | Trim |
| 7 | TWLO | Twilio Inc - A | +0.4% | — | Trim |
| 8 | LW | Lamb Weston Holdings Inc | +0.3% | -5.68% | Trim |
| 9 | EXEL | Exelixis Inc | 0% | -16.05% | Trim |
| 10 | ABG | Asbury Automotive Group | -0.4% | -21.23% | Trim |
| 11 | PSO | Pearson Plc-sponsored Adr | -0.4% | — | Trim |
| 12 | YETI | Yeti Holdings Inc | -0.7% | -19.51% | Trim |
| 13 | SWX | Southwest Gas Holdings Inc | -1.5% | -34.09% | Trim |
| 14 | VSAT | Viasat Inc | — | NEW | New buy |
| 15 | NSIT | Insight Enterprises Inc | — | EXIT | Sold out |
| 16 | APD | Air Products & Chemicals Inc | — | EXIT | Sold out |
| 17 | VSTS | Vestis CORP | — | EXIT | Sold out |
| 18 | TRIP | Tripadvisor Inc | — | NEW | New buy |
| 19 | BILL | Bill Holdings Inc | — | NEW | New buy |
| 20 | KVUE | Kenvue Inc | — | EXIT | Sold out |
| 21 | PFGC | Performance Food Group Co | — | NEW | New buy |
| 22 | CRL | Charles River Laboratories | — | NEW | New buy |
| 23 | MIDD | Middleby CORP | — | EXIT | Sold out |
| 24 | RIOT | Riot Platforms Inc | — | EXIT | Sold out |
| 25 | RPD | Rapid7 Inc | — | EXIT | Sold out |
| 26 | PENN | Penn Entertainment Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, 13D Management LLC reported a total U.S. public equity portfolio value of $71.3M across 18 disclosed positions in Q3 2025.
During Q3 2025, 13D Management LLC's top holdings by market value included MRCY (10.2%)、QRVO (7.8%)、VSAT (7.5%). The largest single position, MRCY, represented 10.2% 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
VSAT
市值: $7.8M
Top Position Liquidated / Trimmed
NSIT
前期市值: $7.4M
In Q3 2025, 13D Management LLC made 26 total portfolio adjustments, initiating 5 new buys, adding to 1 positions, trimming 12 holdings, and fully liquidating 8 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.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.