Penbrook Management LLC
- SEC CIK
- 0001381055
- Latest filing
- Jul 23, 2026
Holdings in Q1 2021
Holdings as of Mar 31, 2021, filed May 6, 2021. Long positions only.
- Positions
- 102
- No 13F data for Q4 2020
- Portfolio value
- $139.0M
- No 13F data for Q4 2020
Livermore's 13F data starts with Q1 2021, so this quarter has no previous quarter to compare with and changes are not shown.
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| NVONovo Nordisk A S | ADR | 171,950 | $11.6M | 8.3% | – | – | History |
| MSFTMicrosoft Corp | Stock | 42,526 | $10.0M | 7.2% | – | – | History |
| AMZNAmazon Com Inc | Stock | 2,700 | $8.35M | 6.0% | – | – | History |
| MCOMoodys Corp | Stock | 15,200 | $4.54M | 3.3% | – | – | History |
| KOPNKopin Corp | COM | 325,580 | $3.42M | 2.5% | – | – | History |
| AZTAAzenta, Inc. | COM | 40,520 | $3.31M | 2.4% | – | – | History |
| GOOGAlphabet Inc. | Stock | 1,571 | $3.25M | 2.3% | – | – | History |
| GOOGLAlphabet Inc. | Stock | 1,545 | $3.19M | 2.3% | – | – | History |
| TRIThomson Reuters Corp | COM NEW | 32,146 | $2.81M | 2.0% | – | – | History |
| ACLSAxcelis Technologies Inc | Stock | 65,800 | $2.70M | 1.9% | – | – | History |
| NUANNuance Communications, Inc. | COM | 55,990 | $2.44M | 1.8% | – | – | History |
| SONYSony Group Corp | SPONSORED ADR | 21,100 | $2.24M | 1.6% | – | – | History |
| BNEDBarnes & Noble Education, Inc. | COM | 270,250 | $2.20M | 1.6% | – | – | History |
| IMDXInsight Molecular Diagnostics Inc. | COM | 423,775 | $2.20M | 1.6% | – | – | History |
| OESXOrion Energy Systems, Inc. | COM | 314,382 | $2.19M | 1.6% | – | – | History |
| INVEINVE Technologies, Inc. | COM NEW | 185,597 | $2.13M | 1.5% | – | – | History |
| CHGGChegg, Inc | COM | 24,495 | $2.10M | 1.5% | – | – | History |
| MESOMesoblast Ltd | SPONS ADR | 246,450 | $2.04M | 1.5% | – | – | History |
| DAIOData I/O Corp | COM | 357,250 | $1.94M | 1.4% | – | – | History |
| CYRXCryoport, Inc. | COM PAR $0.001 | 36,245 | $1.89M | 1.4% | – | – | History |
| FNFFidelity National Financial, Inc. | COM SHS | 45,479 | $1.85M | 1.3% | – | – | History |
| BXBlackstone Inc. | COM | 24,780 | $1.85M | 1.3% | – | – | History |
| AAPLApple Inc. | Stock | 15,016 | $1.83M | 1.3% | – | – | History |
| PLABPhotronics Inc | COM | 140,550 | $1.81M | 1.3% | – | – | History |
| BLFSBiolife Solutions Inc | COM NEW | 48,825 | $1.76M | 1.3% | – | – | History |
| VZVerizon Communications Inc | Stock | 29,949 | $1.74M | 1.3% | – | – | History |
| Invesco QQQ Trust Series I46090E103 | ETF | 5,239 | $1.67M | 1.2% | – | – | – |
| SPYSPDR S&P 500 ETF Trust | ETF | 4,197 | $1.66M | 1.2% | – | – | History |
| USACUSA Compression Partners, LP | COMUNIT LTDPAR | 103,125 | $1.58M | 1.1% | – | – | History |
| BPOPPopular, Inc. | COM NEW | 21,875 | $1.54M | 1.1% | – | – | History |
| NNYNuveen New York Municipal Value Fund | COM | 156,324 | $1.53M | 1.1% | – | – | History |
| ADPAutomatic Data Processing Inc | Stock | 7,628 | $1.44M | 1.0% | – | – | History |
| CYBECyberoptics Corp | COM | 54,990 | $1.43M | 1.0% | – | – | History |
| IVACIntevac Inc | COM | 185,860 | $1.33M | 1.0% | – | – | History |
| Crescent PT Energy Corp22576C101 | COM | 313,750 | $1.31M | 0.9% | – | – | – |
| CSCOCisco Systems, Inc. | Stock | 25,000 | $1.29M | 0.9% | – | – | History |
| SYFSynchrony Financial | COM | 31,650 | $1.29M | 0.9% | – | – | History |
| CEMIChembio Diagnostics, Inc. | COM NEW | 348,960 | $1.23M | 0.9% | – | – | History |
| IMMRImmersion Corp | COM | 126,195 | $1.21M | 0.9% | – | – | History |
| CEQPCrestwood Equity Partners LP | UNIT LTD PARTNER | 41,825 | $1.17M | 0.8% | – | – | History |
| POWIPower Integrations Inc | COM | 14,000 | $1.14M | 0.8% | – | – | History |
| INTZIntrusion Inc | COM NEW | 47,975 | $1.12M | 0.8% | – | – | History |
| TWOU2U, LLC | COM | 28,750 | $1.10M | 0.8% | – | – | History |
| FISVFiserv Inc | Stock | 8,841 | $1.05M | 0.8% | – | – | History |
| ASPUAspen Group, Inc. | COM NEW | 171,720 | $1.03M | 0.7% | – | – | History |
| NVGSNavigator Holdings Ltd. | SHS | 111,450 | $992.0K | 0.7% | – | – | History |
| FIXComfort Systems USA Inc | COM | 13,015 | $973.0K | 0.7% | – | – | History |
| CVSCVS Health Corp | Stock | 12,870 | $968.0K | 0.7% | – | – | History |
| FBPFirst Bancorp | COM NEW | 83,300 | $938.0K | 0.7% | – | – | History |
| BRK.BBerkshire Hathaway Inc | Stock | 3,575 | $913.0K | 0.7% | – | – | History |
| DMDesktop Metal, Inc. | COM CL A | 59,000 | $879.0K | 0.6% | – | – | History |
| SASeabridge Gold Inc | COM | 53,690 | $868.0K | 0.6% | – | – | History |
| PIMFranklin Master Intermediate Income Trust | SH BEN INT | 197,152 | $852.0K | 0.6% | – | – | History |
| TRGPTarga Resources Corp. | COM | 26,361 | $837.0K | 0.6% | – | – | History |
| BKIBlack Knight, Inc. | COM | 10,746 | $795.0K | 0.6% | – | – | History |
| Invesco Exchange Traded FD T46137V357 | S&P500 EQL WGT | 5,490 | $778.0K | 0.6% | – | – | – |
| ABBVAbbVie Inc. | Stock | 7,098 | $768.0K | 0.6% | – | – | History |
| OKEONEOK Inc | COM | 14,385 | $729.0K | 0.5% | – | – | History |
| STKSONE Group Hospitality, Inc. | COM | 96,305 | $720.0K | 0.5% | – | – | History |
| BLDRBuilders FirstSource, Inc. | Stock | 15,478 | $718.0K | 0.5% | – | – | History |
| METAMeta Platforms, Inc. | Stock | 2,400 | $707.0K | 0.5% | – | – | History |
| HESMHess Midstream LP | CL A SHS | 27,680 | $621.0K | 0.4% | – | – | History |
| FAFFirst American Financial Corp | Stock | 10,850 | $615.0K | 0.4% | – | – | History |
| WMBWilliams Companies, Inc. | COM | 25,030 | $593.0K | 0.4% | – | – | History |
| iShares Tr464287556 | ISHARES BIOTECH | 3,930 | $592.0K | 0.4% | – | – | – |
| BDXBecton Dickinson & Co | Stock | 2,412 | $586.0K | 0.4% | – | – | History |
| EVTEaton Vance Tax-Advantaged Dividend Income Fund | COM | 21,239 | $558.0K | 0.4% | – | – | History |
| Royal Dutch Shell PLC780259206 | SPONS ADR A | 14,100 | $553.0K | 0.4% | – | – | – |
| NVSNovartis AG | ADR | 6,460 | $552.0K | 0.4% | – | – | History |
| Nuveen New York Mun Value FD670706100 | COM | 37,000 | $543.0K | 0.4% | – | – | – |
| CNXCNX Resources Corp | COM | 36,700 | $539.0K | 0.4% | – | – | History |
| EMREmerson Electric Co | Stock | 5,900 | $532.0K | 0.4% | – | – | History |
| VETVermilion Energy Inc. | COM | 71,950 | $523.0K | 0.4% | – | – | History |
| GLPGlobal Partners LP | COM UNITS | 22,680 | $485.0K | 0.3% | – | – | History |
| PCTIPC Tel Inc | COM | 65,675 | $456.0K | 0.3% | – | – | History |
| Pretium Res Inc74139C102 | COM | 43,600 | $452.0K | 0.3% | – | – | – |
| MINAberdeen Intermediate Income Fund | SH BEN INT | 119,529 | $445.0K | 0.3% | – | – | History |
| BBSIBarrett Business Services Inc | COM | 6,200 | $427.0K | 0.3% | – | – | History |
| LMRKLandmark Infrastructure Partners LP | COM UNIT LTD | 35,130 | $416.0K | 0.3% | – | – | History |
| VKQInvesco Municipal Trust | COM | 30,000 | $396.0K | 0.3% | – | – | History |
| DBIDesigner Brands Inc. | CL A | 22,070 | $384.0K | 0.3% | – | – | History |
| REGNRegeneron Pharmaceuticals, Inc. | COM | 810 | $383.0K | 0.3% | – | – | History |
| SBGISinclair, Inc. | CL A | 12,600 | $369.0K | 0.3% | – | – | History |
| EAFGraftech International Ltd | COM | 28,800 | $352.0K | 0.3% | – | – | History |
| DISWalt Disney Co | Stock | 1,850 | $341.0K | 0.2% | – | – | History |
| WLYJohn Wiley & Sons, Inc. | CL A | 6,100 | $331.0K | 0.2% | – | – | History |
| BLNEBeeline Holdings, Inc. | COM | 168,050 | $311.0K | 0.2% | – | – | History |
| NUVNuveen Municipal Value Fund Inc | COM | 26,500 | $295.0K | 0.2% | – | – | History |
| AFLAflac Inc | Stock | 5,050 | $258.0K | 0.2% | – | – | History |
| ARCCAres Capital Corp | CEF | 12,940 | $242.0K | 0.2% | – | – | History |
| Maverix Metals Inc57776F405 | COM NEW | 45,000 | $237.0K | 0.2% | – | – | – |
| COPConocoPhillips | Stock | 4,120 | $218.0K | 0.2% | – | – | History |
| DEDeere & Co | Stock | 580 | $217.0K | 0.2% | – | – | History |
| MHDBlackRock Muniholdings Fund, Inc. | COM | 13,461 | $215.0K | 0.2% | – | – | History |
| CLBCore Laboratories Inc. | COM | 7,428 | $214.0K | 0.2% | – | – | History |
| FISFidelity National Information Services, Inc. | Stock | 1,474 | $207.0K | 0.1% | – | – | History |
| CSLTCastlight Health, Inc. | CL B | 113,820 | $172.0K | 0.1% | – | – | History |
| GEOGeo Group Inc | COM | 16,700 | $130.0K | 0.1% | – | – | History |
| FFord Motor Co | Stock | 10,000 | $123.0K | 0.1% | – | – | History |
| AMAntero Midstream Corp | Stock | 10,000 | $90.0K | 0.1% | – | – | History |