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: 0001381055
Total reported value
$156.8M
$156.8M
97 檔
34.0%
During the Q4 2025 filing period, Penbrook Management LLC (CIK: 0001381055) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $156.8M across 97 reported positions.
In Q4 2025, Penbrook Management LLC adopted a defensive or profit-taking posture, trimming 20 positions and completely liquidating 7 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVO | Novo-nordisk A/s-spons Adr | Stock-Healthcare | 11.10% | +0.87% | +1.54% | |
| 2 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 8.24% | -0.29% | +0.04% | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 7.59% | -1.02% | -6.40% | |
| 4 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 5.00% | +0.23% | — | |
| 5 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 4.88% | +0.18% | -0.73% | |
| 6 | MCO | Moody's CORP | Stock-Financials | 4.79% | -0.56% | -0.37% | |
| 7 | PL | Planet Labs Pbc | Stock-Industrials | 4.02% | -0.51% | -6.04% | |
| 8 | PLAB | Photronics Inc | Stock-Other | 2.44% | -1.11% | -0.63% | |
| 9 | TRI4EUR | Thomson Reuters CORP | Stock-Other | 2.27% | -1.69% | EXIT | |
| 10 | ALKT | Alkami Technology Inc | Stock-Other | 2.03% | +0.10% | +2.86% | |
| 11 | SEA1EUR | Seabridge Gold Inc | Stock-Other | 1.96% | -2.06% | EXIT | |
| 12 | ELVA | Electrovaya Inc | Stock-Other | 1.91% | +0.45% | +13.62% | |
| 13 | AEHR | Aehr Test Systems | Stock-Other | 1.60% | -1.91% | -1.16% | |
| 14 | BX | Blackstone Inc | Stock-Financials | 1.57% | -0.22% | — | |
| 15 | VMD | Viemed Healthcare Inc | Stock-Other | 1.39% | +0.12% | -0.29% | |
| 16 | NNY | Nuveen New York Muni Val | Stock-Other | 1.26% | -0.16% | — | |
| 17 | SONY | Sony Group CORP - Sp Adr | Stock-Tech | 1.21% | -0.19% | — | |
| 18 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 1.16% | -0.15% | -0.74% | |
| 19 | VET | Vermilion Energy Inc | Stock-Other | 1.14% | -0.88% | +10.16% | |
| 20 | ADP | Automatic Data Processing | Stock-Tech | 1.12% | -0.07% | — | |
| 21 | MESO | Mesoblast Ltd- Spon Adr | Stock-Other | 1.09% | -0.26% | -0.11% | |
| 22 | BPOP | Popular Inc | Stock-Financials | 1.02% | — | -5.20% | |
| 23 | CSCO | Cisco Systems Inc | Stock-Tech | 0.97% | +0.29% | — | |
| 24 | CURI | Curiositystream Inc | Stock-Other | 0.91% | -0.21% | -0.40% | |
| 25 | TRGP | Targa Resources CORP | Stock-Energy | 0.89% | -0.13% | -21.13% | |
| 26 | SYF | Synchrony Financial | Stock-Financials | 0.89% | — | -14.84% | |
| 27 | ACLS | Axcelis Technologies Inc | Stock-Tech | 0.88% | +0.47% | -5.92% | |
| 28 | VZ | Verizon Communications Inc | Stock-Comm Services | 0.87% | -0.32% | -6.32% | |
| 29 | ET | Energy Transfer LP | Stock-Energy | 0.85% | -0.18% | -8.71% | |
| 30 | ABNB | Airbnb Inc-class A | Stock-Consumer Disc | 0.84% | -0.04% | +1.13% | |
| 31 | ABBV | Abbvie Inc | Stock-Healthcare | 0.82% | -0.02% | -0.82% | |
| 32 | DV | Doubleverify Holdings Inc | Stock-Other | 0.81% | -0.03% | — | |
| 33 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 0.81% | -0.03% | -4.18% | |
| 34 | WMB | Williams Cos Inc | Stock-Energy | 0.79% | -0.14% | -0.78% | |
| 35 | QQQ | Invesco Qqq Trust Series 1 | ETF-Tech | 0.79% | +0.03% | -3.86% | |
| 36 | DAIO | Data I/o CORP | Stock-Other | 0.78% | +0.21% | +1.16% | |
| 37 | META | Meta Platforms Inc-class A | Stock-Comm Services | 0.77% | -0.13% | — | |
| 38 | FNF | Fidelity National Financial | Stock-Financials | 0.77% | -0.06% | -14.69% | |
| 39 | HESM | Hess Midstream LP - Class A | Stock-Other | 0.72% | -0.16% | +30.50% | |
| 40 | NVDA | Nvidia CORP | Stock-Tech | 0.67% | -0.01% | — | |
| 41 | USAC | USA Compression Partners LP | Stock-Other | 0.65% | -0.15% | +5.66% | |
| 42 | FBP | First Bancorp Puerto Rico | Stock-Other | 0.64% | — | -14.64% | |
| 43 | COHU | Cohu Inc | Stock-Other | 0.61% | — | -22.63% | |
| 44 | ASUR | Asure Software Inc | Stock-Other | 0.58% | -0.13% | -1.57% | |
| 45 | OKE | Oneok Inc | Stock-Energy | 0.57% | -0.14% | -0.88% | |
| 46 | MRVL | Marvell Technology Inc | Stock-Tech | 0.57% | +1.12% | -0.10% | |
| 47 | NPKI | Npk International Inc | Stock-Other | 0.55% | -0.05% | -1.95% | |
| 48 | NVS | Novartis Ag-sponsored Adr | Stock-Healthcare | 0.53% | -0.09% | — | |
| 49 | PAR | Par Technology Corp/del | Stock-Other | 0.50% | +0.24% | +55.35% | |
| 50 | SGOL | Abrdn Physical Gold Shares | ETF-Commodities | 0.49% | -0.16% | -4.40% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | PL | Planet Labs Pbc | +1.2% | -6.04% | Trim |
| 2 | GOOGL | Alphabet Inc-cl A | +1.1% | — | Unchanged |
| 3 | GOOG | Alphabet Inc-cl C | +1% | -0.73% | Trim |
| 4 | PLAB | Photronics Inc | +0.7% | -0.63% | Trim |
| 5 | ELVA | Electrovaya Inc | +0.6% | +13.62% | Add |
| 6 | SEA1EUR | Seabridge Gold Inc | +0.3% | -0.57% | Trim |
| 7 | AMZN | Amazon.com Inc | +0.3% | +0.04% | Add |
| 8 | MCO | Moody's CORP | +0.3% | -0.37% | Trim |
| 9 | VET | Vermilion Energy Inc | +0.2% | +10.16% | Add |
| 10 | HESM | Hess Midstream LP - Class A | +0.2% | +30.50% | Add |
| 11 | PAR | Par Technology Corp/del | +0.2% | +55.35% | Add |
| 12 | REGN | Regeneron Pharmaceuticals | +0.1% | — | Unchanged |
| 13 | VMD | Viemed Healthcare Inc | +0.1% | -0.29% | Trim |
| 14 | MESO | Mesoblast Ltd- Spon Adr | +0.1% | -0.11% | Trim |
| 15 | CSCO | Cisco Systems Inc | +0.1% | — | Unchanged |
| 16 | TTI | Tetra Technologies Inc | +0.1% | -1.40% | Trim |
| 17 | ABNB | Airbnb Inc-class A | +0.1% | +1.13% | Add |
| 18 | LINC | Lincoln Educational Services | +0.1% | +36.20% | Add |
| 19 | MGNI | Magnite Inc | -0.1% | +9.48% | Add |
| 20 | XGN | Exagen Inc | -0.1% | -32.55% | Trim |
| 21 | COHU | Cohu Inc | -0.1% | -22.63% | Trim |
| 22 | META | Meta Platforms Inc-class A | -0.1% | — | Unchanged |
| 23 | BLZE | Backblaze Inc-a | -0.1% | +37.15% | Add |
| 24 | ALKT | Alkami Technology Inc | -0.1% | +2.86% | Add |
| 25 | BBSI | Barrett Business Svcs Inc | -0.1% | -22.12% | Trim |
| 26 | ET | Energy Transfer LP | -0.1% | -8.71% | Trim |
| 27 | TRGP | Targa Resources CORP | -0.2% | -21.13% | Trim |
| 28 | VZ | Verizon Communications Inc | -0.2% | -6.32% | Trim |
| 29 | FBP | First Bancorp Puerto Rico | -0.2% | -14.64% | Trim |
| 30 | ADP | Automatic Data Processing | -0.2% | — | Unchanged |
| 31 | SONY | Sony Group CORP - Sp Adr | -0.2% | — | Unchanged |
| 32 | BX | Blackstone Inc | -0.2% | — | Unchanged |
| 33 | FNF | Fidelity National Financial | -0.2% | -14.69% | Trim |
| 34 | ACLS | Axcelis Technologies Inc | -0.3% | -5.92% | Trim |
| 35 | CURI | Curiositystream Inc | -0.4% | -0.40% | Trim |
| 36 | TRI4EUR | Thomson Reuters CORP | -0.4% | +0.40% | Add |
| 37 | AEHR | Aehr Test Systems | -0.8% | -1.16% | Trim |
| 38 | NVO | Novo-nordisk A/s-spons Adr | -1% | +1.54% | Add |
| 39 | MSFT | Microsoft CORP | -1.2% | -6.40% | Trim |
| 40 | DV | Doubleverify Holdings Inc | — | NEW | New buy |
| 41 | BMY | Bristol-myers Squibb Co | — | NEW | New buy |
| 42 | BLDR | Builders Firstsource Inc | — | EXIT | Sold out |
| 43 | IREN | IREN Limited | — | EXIT | Sold out |
| 44 | INVE | Identiv Inc | — | EXIT | Sold out |
| 45 | JPC | Nuveen Prefered & Income Opp | — | EXIT | Sold out |
| 46 | WLY | Wiley (john) & Sons-class A | — | EXIT | Sold out |
| 47 | TFPM | Triple Flag Precious Met | — | NEW | New buy |
| 48 | PBI | Pitney Bowes Inc | — | EXIT | Sold out |
| 49 | PAYS | Paysign Inc | — | NEW | New buy |
| 50 | OESX | Orion Energy Systems Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, Penbrook Management LLC reported a total U.S. public equity portfolio value of $156.8M across 97 disclosed positions in Q4 2025.
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 NVO, AMZN, MSFT) accounted for 34.0% of total reported equity market value during Q4 2025.
Top New Position Initiated
DV
市值: $1.2M
Top Position Liquidated / Trimmed
BLDR
前期市值: $332.3K
During Q4 2025, Penbrook Management LLC's top holdings by market value included NVO (11.1%)、AMZN (8.2%)、MSFT (7.6%). The largest single position, NVO, represented 11.1% of total portfolio value.
In Q4 2025, Penbrook Management LLC made 43 total portfolio adjustments, initiating 4 new buys, adding to 12 positions, trimming 20 holdings, and fully liquidating 7 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.