Penbrook Management LLC - Stock Holdings in 13F Filings (SEC)
Updated on March 15, 2026.
Based on 13F Filings filed with the SEC on January 6, 2026, for the 2025 Q4 period, Penbrook Management LLC held in its portfolio 97 assets valued at $144,978,590 (i.e. $144.98M).
The most valuable assets in the portfolio included: NOVO-NORDISK A S ADR ($16.10M), AMAZON COM INC ($11.95M), and MICROSOFT CORP COM ($11.00M).
The chart below shows the top 10 valuable assets, and the table below shows the top 97 valuable assets.
You can see similar for other investment managers.
Related Topics: SEC Topic List.
Data Source: SEC.
Penbrook Management LLC - Stock Holdings in 13F Filings (SEC)
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| Name of Issuer | No. of Shares | Value ($) | Class |
|---|---|---|---|
| NOVO-NORDISK A S ADR | 316400 | 16098432 | ADR |
| AMAZON COM INC | 51760 | 11947243 | Stock |
| MICROSOFT CORP COM | 22750 | 11002355 | Stock |
| ALPHABET INC CAP STK CL A | 23170 | 7252210 | Stock |
| ALPHABET INC CAP STK CL C | 22554 | 7077445 | Stock |
| MOODYS CORP COM | 13600 | 6947560 | Stock |
| PLANET LABS PBC COM CL A | 295245 | 5822231 | Stock |
| PHOTRONICS INC COM | 110680 | 3541760 | Stock |
| THOMSON REUTERS CORP COM | 24948 | 3296510 | Stock |
| ALKAMI TECHNOLOGY INC COM | 127685 | 2945693 | Stock |
| SEABRIDGE GOLD INC COM | 95990 | 2840344 | Stock |
| ELECTROVAYA INC COM NEW | 349861 | 2763902 | Stock |
| AEHR TEST SYS COM | 114900 | 2319831 | Stock |
| BLACKSTONE INC COM | 14800 | 2281272 | Stock |
| VIEMED HEALTHCARE INC COM | 271548 | 2017602 | Stock |
| NUVEEN N Y MUN VALUE FD COM | 213727 | 1830358 | CEF |
| SONY GROUP CORP SPONSORED ADR | 68500 | 1753600 | ADR |
| BERKSHIRE HATHAWAY INC DEL CL B NEW | 3350 | 1683877 | Stock |
| VERMILION ENERGY INC COM | 197825 | 1648298 | Stock |
| AUTOMATIC DATA PROCESSING INC COM | 6300 | 1620549 | Stock |
| MESOBLAST LTD SPONS ADR | 87575 | 1579853 | ADR |
| POPULAR INC COM NEW | 11850 | 1475562 | Stock |
| CISCO SYS INC COM | 18350 | 1413501 | Stock |
| CURIOSITYSTREAM INC COM CL A | 347300 | 1319740 | Stock |
| TARGA RES CORP COM | 7028 | 1296666 | Stock |
| SYNCHRONY FINANCIAL COM | 15500 | 1293165 | Stock |
| AXCELIS TECHNOLOGIES INC COM NEW | 15895 | 1277004 | Stock |
| VERIZON COMMUNICATIONS INC COM | 31135 | 1268129 | Stock |
| ENERGY TRANSFER L P COM UT LTD PTN | 74489 | 1228324 | Stock |
| AIRBNB INC COM CL A | 8950 | 1214694 | Stock |
| ABBVIE INC COM | 5230 | 1195003 | Stock |
| DOUBLEVERIFY HLDGS INC COM | 102910 | 1177290 | Stock |
| SPDR S&P 500 ETF TRUST | 1720 | 1172902 | ETF |
| WILLIAMS COS INC COM | 19130 | 1149904 | Stock |
| INVESCO QQQ TRUST SERIES I | 1870 | 1148760 | ETF |
| DATA I O CORP COM | 356850 | 1131215 | Stock |
| META PLATFORMS INC CL A | 1700 | 1122153 | Stock |
| FIDELITY NATIONAL FINANCIAL IN COM SHS | 20321 | 1109323 | Stock |
| HESS MIDSTREAM LP CL A SHS | 30055 | 1036898 | Stock |
| NVIDIA CORPORATION COM | 5223 | 974090 | Stock |
| USA COMPRESSION PARTNERS LP COM UNIT LTDPAR | 41038 | 943874 | Stock |
| FIRST BANCORP P R COM NEW | 44900 | 930777 | Stock |
| COHU INC COM | 38300 | 891241 | Stock |
| ASURE SOFTWARE INC COM | 89235 | 840594 | Stock |
| ONEOK INC NEW COM | 11310 | 831285 | Stock |
| MARVELL TECHNOLOGY INC COM | 9730 | 826855 | Stock |
| NPK INTERNATIONAL INC COM SHS | 67250 | 801620 | Stock |
| NOVARTIS AG SPONSORED ADR | 5610 | 773451 | ADR |
| PAR TECHNOLOGY CORP COM | 19815 | 718888 | Stock |
| ABRDN PHYSICAL GOLD SHARES ETF | 17155 | 704727 | ETF |
| EMERSON ELEC CO COM | 5300 | 703416 | Stock |
| SHELL PLC SPON ADS | 9400 | 690712 | ADR |
| WESTERN MIDSTREAM PARTNERS LP COM UNIT LP INT | 15900 | 628050 | Stock |
| REGENERON PHARMACEUTICALS COM | 797 | 615180 | Stock |
| BIOLIFE SOLUTIONS INC COM NEW | 22955 | 555052 | Stock |
| CRYOPORT INC COM PAR $0.001 | 52835 | 507216 | Stock |
| CENOVUS ENERGY INC COM | 29880 | 505570 | Stock |
| MAGNITE INC COM | 31115 | 504996 | Stock |
| RANGE RES CORP COM | 14240 | 502102 | Stock |
| PUTNAM MASTER INTER INCOME TR SH BEN INT | 147063 | 491190 | CEF |
| INTERNATIONAL BUSINESS MACHS COM | 1627 | 481934 | Stock |
| APPLE INC COM | 1529 | 415674 | Stock |
| TETRA TECHNOLOGIES INC DEL COM | 43975 | 412046 | Stock |
| LINCOLN EDL SVCS CORP COM | 17026 | 411178 | Stock |
| GLOBAL PMTS INC | 5115 | 395901 | Stock |
| ENTERPRISE PRODS PARTNERS L P COM | 11427 | 366350 | Stock |
| DORCHESTER MINERALS LP COM UNIT | 16225 | 362791 | Stock |
| BRISTOL-MYERS SQUIBB CO COM | 6250 | 337125 | Stock |
| ONE STOP SYS INC COM | 46740 | 335593 | Stock |
| BACKBLAZE INC COM CL A | 71350 | 332491 | Stock |
| POWER INTEGRATIONS INC COM | 9200 | 326968 | Stock |
| KULICKE & SOFFA INDS INC COM | 7100 | 323476 | Stock |
| GOLUB CAP BDC INC COM | 23680 | 321338 | CEF |
| INVESCO S&P 500 EQUAL WEIGHT ETF | 1670 | 319905 | ETF |
| BARRETT BUSINESS SVCS INC COM | 8800 | 318648 | Stock |
| HERCULES CAPITAL INC COM | 14767 | 277917 | CEF |
| AQUESTIVE THERAPEUTICS INC COM | 42160 | 272354 | Stock |
| KOPIN CORP COM | 114975 | 269042 | Stock |
| FIRST AMERN FINL CORP COM | 4300 | 264192 | Stock |
| WEBSTER FINL CORP COM | 4180 | 263089 | Stock |
| STATE STREET SPDR PORTFOLIO S&P 500 ETF | 3200 | 256704 | ETF |
| NIKE INC CL B | 3885 | 247513 | Stock |
| JPMORGAN EQUITY PREMIUM INCOME ETF | 4225 | 241839 | ETF |
| REAVES UTIL INCOME FD COM SH BEN INT | 6025 | 220395 | CEF |
| AFLAC INC COM | 1950 | 215027 | Stock |
| FIDELITY NATL INFORMATION SVCS COM | 3224 | 214267 | Stock |
| JPMORGAN CHASE & CO. COM | 660 | 212665 | Stock |
| CHEVRON CORP NEW COM | 1377 | 209869 | Stock |
| TRIPLE FLAG PRECIOUS METAL COM | 6089 | 202277 | Stock |
| INVESCO MUNICIPAL TRUST COM | 20000 | 193000 | CEF |
| NUVEEN MUN VALUE FD INC COM | 20000 | 181200 | CEF |
| PAYSIGN INC COM | 30825 | 158749 | Stock |
| ONDAS HLDGS INC COM NEW | 10005 | 97649 | Stock |
| IOVANCE BIOTHERAPEUTICS INC COM | 33945 | 92670 | Stock |
| EXAGEN INC COM | 13430 | 81654 | Stock |
| BTQ TECHNOLOGIES CORP COM | 10570 | 54118 | Stock |
| MFS INTER INCOME TR SH BEN INT | 18750 | 48938 | CEF |
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