Penbrook Management LLC
- SEC CIK
- 0001381055
- Latest filing
- Jul 23, 2026
Holdings in Q3 2025
Holdings as of Sep 30, 2025, filed Oct 22, 2025. Long positions only; changes compare share counts with Q2 2025.
- Positions
- 104
- +2 vs. Q2 2025
- Portfolio value
- $143.2M
- +$10.2M (+7.7%) vs. Q2 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| NVONovo Nordisk A S | ADR | 311,600 | $17.3M | 12.1% | +200+0.1% | Added | History |
| MSFTMicrosoft Corp | Stock | 24,305 | $12.6M | 8.8% | −675−2.7% | Reduced | History |
| AMZNAmazon Com Inc | Stock | 51,740 | $11.4M | 7.9% | +385+0.7% | Added | History |
| MCOMoodys Corp | Stock | 13,650 | $6.50M | 4.5% | 00.0% | Unchanged | History |
| GOOGLAlphabet Inc. | Stock | 23,170 | $5.63M | 3.9% | 00.0% | Unchanged | History |
| GOOGAlphabet Inc. | Stock | 22,720 | $5.53M | 3.9% | −2,000−8.1% | Reduced | History |
| PLPlanet Labs PBC | COM CL A | 314,220 | $4.08M | 2.8% | −23,650−7.0% | Reduced | History |
| TRIThomson Reuters Corp | COM NO PAR | 24,848 | $3.86M | 2.7% | 00.0% | Unchanged | History |
| AEHRAehr Test Systems | COM | 116,250 | $3.50M | 2.4% | −10,000−7.9% | Reduced | History |
| ALKTAlkami Technology, Inc. | Stock | 124,140 | $3.08M | 2.2% | +85,345+220.0% | Added | History |
| PLABPhotronics Inc | COM | 111,380 | $2.56M | 1.8% | +4,950+4.7% | Added | History |
| BXBlackstone Inc. | COM | 14,800 | $2.53M | 1.8% | −100−0.7% | Reduced | History |
| SASeabridge Gold Inc | COM | 96,545 | $2.33M | 1.6% | 00.0% | Unchanged | History |
| SONYSony Group Corp | SPONSORED ADR | 68,500 | $1.97M | 1.4% | 00.0% | Unchanged | History |
| VMDViemed Healthcare, Inc. | COM | 272,328 | $1.85M | 1.3% | +92,308+51.3% | Added | History |
| ADPAutomatic Data Processing Inc | Stock | 6,300 | $1.85M | 1.3% | 00.0% | Unchanged | History |
| CURICuriosityStream Inc. | COM CL A | 348,700 | $1.85M | 1.3% | +272,600+358.2% | Added | History |
| ELVAElectrovaya Inc. | COM NEW | 307,911 | $1.81M | 1.3% | −200−0.1% | Reduced | History |
| NNYNuveen New York Municipal Value Fund | COM | 213,727 | $1.77M | 1.2% | 00.0% | Unchanged | History |
| BRK.BBerkshire Hathaway Inc | Stock | 3,375 | $1.70M | 1.2% | +275+8.9% | Added | History |
| ACLSAxcelis Technologies Inc | Stock | 16,895 | $1.65M | 1.2% | 00.0% | Unchanged | History |
| BPOPPopular, Inc. | COM NEW | 12,500 | $1.59M | 1.1% | −650−4.9% | Reduced | History |
| TRGPTarga Resources Corp. | COM | 8,911 | $1.49M | 1.0% | −3,290−27.0% | Reduced | History |
| VZVerizon Communications Inc | Stock | 33,235 | $1.46M | 1.0% | +1,300+4.1% | Added | History |
| FNFFidelity National Financial, Inc. | COM SHS | 23,821 | $1.44M | 1.0% | −2,200−8.5% | Reduced | History |
| MESOMesoblast Ltd | ADR | 87,675 | $1.41M | 1.0% | 00.0% | Unchanged | History |
| VETVermilion Energy Inc. | COM | 179,575 | $1.40M | 1.0% | −1,700−0.9% | Reduced | History |
| ETEnergy Transfer LP | COM UT LTD PTN | 81,594 | $1.40M | 1.0% | −746−0.9% | Reduced | History |
| SYFSynchrony Financial | COM | 18,200 | $1.29M | 0.9% | −1,150−5.9% | Reduced | History |
| CSCOCisco Systems, Inc. | Stock | 18,350 | $1.26M | 0.9% | 00.0% | Unchanged | History |
| METAMeta Platforms, Inc. | Stock | 1,700 | $1.25M | 0.9% | 00.0% | Unchanged | History |
| WMBWilliams Companies, Inc. | COM | 19,280 | $1.22M | 0.9% | −450−2.3% | Reduced | History |
| ABBVAbbVie Inc. | Stock | 5,273 | $1.22M | 0.9% | 00.0% | Unchanged | History |
| SPYSPDR S&P 500 ETF Trust | ETF | 1,795 | $1.20M | 0.8% | −120−6.3% | Reduced | History |
| DAIOData I/O Corp | COM | 352,750 | $1.18M | 0.8% | +3,000+0.9% | Added | History |
| Invesco QQQ Trust Series I46090E103 | ETF | 1,945 | $1.17M | 0.8% | 00.0% | Unchanged | – |
| FBPFirst Bancorp | COM NEW | 52,600 | $1.16M | 0.8% | 00.0% | Unchanged | History |
| ABNBAirbnb, Inc. | Stock | 8,850 | $1.07M | 0.8% | 00.0% | Unchanged | History |
| COHUCohu Inc | COM | 49,500 | $1.01M | 0.7% | +10,700+27.6% | Added | History |
| NVDANVIDIA Corp | Stock | 5,223 | $974.5K | 0.7% | 00.0% | Unchanged | History |
| USACUSA Compression Partners, LP | COMUNIT LTDPAR | 38,838 | $932.1K | 0.7% | 00.0% | Unchanged | History |
| OKEONEOK Inc | COM | 11,410 | $832.6K | 0.6% | −100−0.9% | Reduced | History |
| MRVLMarvell Technology, Inc. | COM | 9,740 | $818.8K | 0.6% | +9,740 | New | History |
| HESMHess Midstream LP | CL A SHS | 23,030 | $795.7K | 0.6% | 00.0% | Unchanged | History |
| NPKINPK International Inc. | COM SHS | 68,585 | $775.7K | 0.5% | 00.0% | Unchanged | History |
| ASURAsure Software Inc | COM | 90,660 | $743.4K | 0.5% | +1,000+1.1% | Added | History |
| NVSNovartis AG | ADR | 5,610 | $719.4K | 0.5% | 00.0% | Unchanged | History |
| EMREmerson Electric Co | Stock | 5,400 | $708.4K | 0.5% | 00.0% | Unchanged | History |
| SHELShell plc | ADR | 9,400 | $672.4K | 0.5% | 00.0% | Unchanged | History |
| SGOLabrdn Gold ETF Trust | ETF | 17,945 | $660.6K | 0.5% | +6,230+53.2% | Added | History |
| MGNIMagnite, Inc. | COM | 28,420 | $619.0K | 0.4% | 00.0% | Unchanged | History |
| BLFSBiolife Solutions Inc | COM NEW | 23,155 | $590.7K | 0.4% | 00.0% | Unchanged | History |
| WESWestern Midstream Partners, LP | COM UNIT LP INT | 14,600 | $573.6K | 0.4% | +3,000+25.9% | Added | History |
| RRCRange Resources Corp | COM | 14,340 | $539.8K | 0.4% | 00.0% | Unchanged | History |
| CVECenovus Energy Inc. | COM | 29,880 | $507.7K | 0.4% | +1,080+3.8% | Added | History |
| PIMFranklin Master Intermediate Income Trust | SH BEN INT | 147,063 | $505.9K | 0.4% | −550−0.4% | Reduced | History |
| PARPar Technology Corp | COM | 12,755 | $504.8K | 0.4% | +5,220+69.3% | Added | History |
| BBSIBarrett Business Services Inc | COM | 11,300 | $500.8K | 0.3% | −300−2.6% | Reduced | History |
| CYRXCryoport, Inc. | COM PAR $0.001 | 52,770 | $500.3K | 0.3% | +10,000+23.4% | Added | History |
| BLZEBackblaze, Inc. | COM CL A | 52,025 | $482.8K | 0.3% | +12,200+30.6% | Added | History |
| IBMInternational Business Machines Corp | Stock | 1,652 | $466.1K | 0.3% | −10−0.6% | Reduced | History |
| REGNRegeneron Pharmaceuticals, Inc. | COM | 797 | $448.1K | 0.3% | 00.0% | Unchanged | History |
| AAPLApple Inc. | Stock | 1,729 | $440.3K | 0.3% | −2,325−57.4% | Reduced | History |
| GPNGlobal Payments Inc | Stock | 5,115 | $425.0K | 0.3% | +5,115 | New | History |
| POWIPower Integrations Inc | COM | 9,200 | $369.9K | 0.3% | 00.0% | Unchanged | History |
| DMLPDorchester Minerals, L.P. | COM UNIT | 14,025 | $363.1K | 0.3% | 00.0% | Unchanged | History |
| EPDEnterprise Products Partners L.P. | Stock | 11,427 | $357.3K | 0.2% | 00.0% | Unchanged | History |
| KLICKulicke & Soffa Industries Inc | COM | 8,600 | $349.5K | 0.2% | 00.0% | Unchanged | History |
| GBDCGolub Capital BDC, Inc. | COM | 24,955 | $341.6K | 0.2% | 00.0% | Unchanged | History |
| KOPNKopin Corp | COM | 136,975 | $332.8K | 0.2% | +60,000+77.9% | Added | History |
| BLDRBuilders FirstSource, Inc. | Stock | 2,741 | $332.3K | 0.2% | 00.0% | Unchanged | History |
| Invesco Exchange Traded FD T46137V357 | S&P500 EQL WGT | 1,670 | $316.8K | 0.2% | −100−5.6% | Reduced | – |
| LINCLincoln Educational Services Corp | COM | 12,501 | $293.8K | 0.2% | 00.0% | Unchanged | History |
| IRENIREN Ltd | ORDINARY SHARES | 6,200 | $291.0K | 0.2% | +6,200 | New | History |
| FAFFirst American Financial Corp | Stock | 4,400 | $282.7K | 0.2% | 00.0% | Unchanged | History |
| HTGCHercules Capital, Inc. | COM | 14,775 | $279.4K | 0.2% | +212+1.5% | Added | History |
| NKENIKE, Inc. | Stock | 3,935 | $274.4K | 0.2% | +3,935 | New | History |
| State Street SPDR Portfolio S&P 500 ETF78464A854 | ETF | 3,500 | $274.2K | 0.2% | 00.0% | Unchanged | – |
| FISFidelity National Information Services, Inc. | Stock | 4,124 | $271.9K | 0.2% | −200−4.6% | Reduced | History |
| TTITetra Technologies Inc | COM | 44,600 | $256.4K | 0.2% | +44,600 | New | History |
| OSSOne Stop Systems, Inc. | COM | 47,413 | $254.1K | 0.2% | +47,413 | New | History |
| INVEINVE Technologies, Inc. | COM NEW | 73,594 | $253.9K | 0.2% | 00.0% | Unchanged | History |
| WBSWebster Financial Corp | COM | 4,180 | $248.5K | 0.2% | −900−17.7% | Reduced | History |
| J P Morgan Exchange Traded F46641Q332 | EQUITY PREMIUM | 4,325 | $247.0K | 0.2% | 00.0% | Unchanged | – |
| AQSTAquestive Therapeutics, Inc. | COM | 43,585 | $243.6K | 0.2% | 00.0% | Unchanged | History |
| UTGReaves Utility Income Fund | COM SH BEN INT | 6,075 | $240.7K | 0.2% | 00.0% | Unchanged | History |
| XGNExagen Inc. | COM | 19,910 | $218.8K | 0.2% | 00.0% | Unchanged | History |
| AFLAflac Inc | Stock | 1,950 | $217.8K | 0.2% | −400−17.0% | Reduced | History |
| CVXChevron Corp | Stock | 1,377 | $213.8K | 0.1% | +1,377 | New | History |
| JPCNuveen Preferred & Income Opportunities Fund | COM | 25,710 | $210.8K | 0.1% | 00.0% | Unchanged | History |
| JPMJPMorgan Chase & Co | Stock | 660 | $208.2K | 0.1% | +660 | New | History |
| WLYJohn Wiley & Sons, Inc. | CL A | 5,000 | $202.3K | 0.1% | −500−9.1% | Reduced | History |
| PBIPitney Bowes Inc | COM | 17,050 | $194.5K | 0.1% | 00.0% | Unchanged | History |
| VKQInvesco Municipal Trust | COM | 20,000 | $193.0K | 0.1% | 00.0% | Unchanged | History |
| NUVNuveen Municipal Value Fund Inc | COM | 20,000 | $179.6K | 0.1% | 00.0% | Unchanged | History |
| OESXOrion Energy Systems, Inc. | COM NEW | 16,644 | $145.8K | 0.1% | −1,349−7.5% | ReducedConverted for a 1-for-10 split | History |
| ONDSOndas Inc. | COM NEW | 13,855 | $107.0K | 0.1% | −4,450−24.3% | Reduced | History |
| BTQBTQ Technologies Corp. | COM | 14,750 | $102.1K | 0.1% | +14,750 | New | History |
| ASPNAspen Aerogels Inc | COM | 14,180 | $98.7K | 0.1% | 00.0% | Unchanged | History |
| UAMYUnited States Antimony Corp | COM | 14,825 | $91.9K | 0.1% | −5,525−27.1% | Reduced | History |
Sold out since Q2 2025 (8)
Positions held at the end of Q2 2025 that are gone from this filing.
| Security | Class | Shares in Q2 2025 | Value in Q2 2025 | % of portfolio in Q2 2025 | History |
|---|---|---|---|---|---|
| NVGSNavigator Holdings Ltd. | SHS | 50,400 | $713.2K | 0.5% | History |
| NUNu Holdings Ltd. | ORD SHS CL A | 50,065 | $686.9K | 0.5% | History |
| ORIOld Republic International Corp | COM | 8,480 | $326.0K | 0.2% | History |
| CVSCVS Health Corp | Stock | 4,275 | $294.9K | 0.2% | History |
| ARCCAres Capital Corp | CEF | 12,740 | $279.8K | 0.2% | History |
| MPMP Materials Corp. | COM CL A | 7,210 | $239.9K | 0.2% | History |
| FFord Motor Co | Stock | 11,500 | $124.8K | 0.1% | History |
| TUSKMammoth Energy Services, Inc. | COM | 13,000 | $36.4K | <0.1% | History |