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
21 檔
53.3%
During the Q1 2025 filing period, 13D Management LLC (CIK: 0001600133) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $71.3M across 21 reported positions.
In Q1 2025, 13D Management LLC displayed an active expansion posture, initiating 21 new positions and adding to 0 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MRCY | Mercury Systems Inc | Stock-Industrials | 7.70% | +3.54% | -8.29% | |
| 2 | PSO | Pearson Plc-sponsored Adr | Stock-Other | 6.65% | +0.88% | -8.29% | |
| 3 | NSIT | Insight Enterprises Inc | Stock-Tech | 6.49% | — | -8.29% | |
| 4 | APD | Air Products & Chemicals Inc | Stock-Materials | 6.40% | — | +40.99% | |
| 5 | SWX | Southwest Gas Holdings Inc | Stock-Utilities | 6.31% | — | -24.60% | |
| 6 | ABG | Asbury Automotive Group | Stock-Consumer Disc | 5.42% | — | -8.29% | |
| 7 | TWLO | Twilio Inc - A | Stock-Tech | 5.40% | -0.57% | -31.09% | |
| 8 | VSTS | Vestis CORP | Stock-Other | 5.03% | — | -8.29% | |
| 9 | YETI | Yeti Holdings Inc | Stock-Consumer Disc | 4.92% | — | — | |
| 10 | EXEL | Exelixis Inc | Stock-Healthcare | 4.80% | +0.99% | -35.48% | |
| 11 | QRVO | Qorvo Inc | Stock-Tech | 4.75% | — | — | |
| 12 | ALV | Autoliv Inc | Stock-Consumer Disc | 4.48% | -0.01% | -8.29% | |
| 13 | JHG | Janus Henderson Group plc | Stock-Financials | 4.41% | — | -8.29% | |
| 14 | KVUE | Kenvue Inc | Stock-Consumer Staples | 3.95% | — | — | |
| 15 | LW | Lamb Weston Holdings Inc | Stock-Consumer Staples | 3.89% | — | -8.29% | |
| 16 | MTCH | Match Group Inc | Stock-Comm Services | 3.75% | — | -8.29% | |
| 17 | MIDD | Middleby CORP | Stock-Industrials | 3.60% | — | — | |
| 18 | ETSY | Etsy Inc | Stock-Consumer Disc | 3.33% | +2.02% | -8.29% | |
| 19 | RIOT | Riot Platforms Inc | Stock-Financials | 2.93% | — | -8.29% | |
| 20 | RPD | Rapid7 Inc | Stock-Other | 2.91% | — | -8.29% | |
| 21 | PENN | Penn Entertainment Inc | Stock-Consumer Disc | 2.88% | — | -8.29% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | MRCY | Mercury Systems Inc | — | NEW | New buy |
| 2 | PSO | Pearson Plc-sponsored Adr | — | NEW | New buy |
| 3 | NSIT | Insight Enterprises Inc | — | NEW | New buy |
| 4 | APD | Air Products & Chemicals Inc | — | NEW | New buy |
| 5 | SWX | Southwest Gas Holdings Inc | — | NEW | New buy |
| 6 | ABG | Asbury Automotive Group | — | NEW | New buy |
| 7 | TWLO | Twilio Inc - A | — | NEW | New buy |
| 8 | VSTS | Vestis CORP | — | NEW | New buy |
| 9 | YETI | Yeti Holdings Inc | — | NEW | New buy |
| 10 | EXEL | Exelixis Inc | — | NEW | New buy |
| 11 | QRVO | Qorvo Inc | — | NEW | New buy |
| 12 | ALV | Autoliv Inc | — | NEW | New buy |
| 13 | JHG | Janus Henderson Group plc | — | NEW | New buy |
| 14 | KVUE | Kenvue Inc | — | NEW | New buy |
| 15 | LW | Lamb Weston Holdings Inc | — | NEW | New buy |
| 16 | MTCH | Match Group Inc | — | NEW | New buy |
| 17 | MIDD | Middleby CORP | — | NEW | New buy |
| 18 | ETSY | Etsy Inc | — | NEW | New buy |
| 19 | RIOT | Riot Platforms Inc | — | NEW | New buy |
| 20 | RPD | Rapid7 Inc | — | NEW | New buy |
| 21 | PENN | Penn Entertainment Inc | — | 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 21 disclosed positions in Q1 2025.
During Q1 2025, 13D Management LLC's top holdings by market value included MRCY (7.7%)、PSO (6.7%)、NSIT (6.5%). The largest single position, MRCY, represented 7.7% 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 MRCY, PSO, NSIT) accounted for 53.3% of total reported equity market value during Q1 2025.
Top New Position Initiated
MRCY
市值: $8.7M
In Q1 2025, 13D Management LLC made 21 total portfolio adjustments, initiating 21 new buys, adding to 0 positions, trimming 0 holdings, and fully liquidating 0 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.