Holders — by stockHoldings — by fund
Penbrook Management LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001381055
$156.8M
disclosed book value
101
positions
9.7%
largest position share
Positions, as of 2026-06-30
top 100 of 101 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | NVONOVO-NORDISK A S ADR | 316,200 | $15.2M | 9.7% |
| 2 | AMZNAMAZON COM INC | 51,760 | $12.3M | 7.9% |
| 3 | GOOGLALPHABET INC CAP STK CL A | 23,170 | $8.3M | 5.3% |
| 4 | MSFTMICROSOFT CORP | 21,920 | $8.2M | 5.2% |
| 5 | GOOGALPHABET INC CAP STK CL C | 22,554 | $8.0M | 5.1% |
| 6 | MCOMOODYS CORP | 13,600 | $6.2M | 3.9% |
| 7 | ELVAELECTROVAYA INC | 326,231 | $3.4M | 2.2% |
| 8 | CYRXCRYOPORT INC COM PAR $0.001 | 202,675 | $3.2M | 2% |
| 9 | VMDVIEMED HEALTHCARE INC | 277,178 | $3.2M | 2% |
| 10 | MRVLMARVELL TECHNOLOGY INC | 9,730 | $2.9M | 1.8% |
| 11 | PLABPHOTRONICS INC | 89,055 | $2.9M | 1.8% |
| 12 | SASEABRIDGE GOLD INC | 110,915 | $2.9M | 1.8% |
| 13 | EXTREXTREME NETWORKS INC | 84,025 | $2.7M | 1.7% |
| 14 | PLPLANET LABS PBC COM CL A | 81,817 | $2.7M | 1.7% |
| 15 | PROTHENA CORP PLC SHS | 271,720 | $2.7M | 1.7% |
| 16 | ALKTALKAMI TECHNOLOGY INC | 140,585 | $2.5M | 1.6% |
| 17 | ALLOT LTD SHS | 275,295 | $2.4M | 1.6% |
| 18 | CSCOCISCO SYS INC | 18,350 | $2.2M | 1.4% |
| 19 | BXBLACKSTONE INC | 18,150 | $2.1M | 1.4% |
| 20 | MGNIMAGNITE INC | 112,040 | $2.1M | 1.4% |
| 21 | ACLSAXCELIS TECHNOLOGIES INC | 10,895 | $2.1M | 1.3% |
| 22 | CURICURIOSITYSTREAM INC COM CL A | 764,800 | $2.0M | 1.3% |
| 23 | TRITHOMSON REUTERS CORP | 24,381 | $2.0M | 1.3% |
| 24 | NNYNUVEEN N Y MUN VALUE FD | 213,727 | $1.9M | 1.2% |
| 25 | VETVERMILION ENERGY INC | 197,825 | $1.9M | 1.2% |
| 26 | TRGPTARGA RES CORP | 6,892 | $1.8M | 1.2% |
| 27 | BRK/BBERKSHIRE HATHAWAY INC DEL CL B NEW | 3,290 | $1.6M | 1.1% |
| 28 | BTEBAYTEX ENERGY CORP | 399,350 | $1.6M | 1% |
| 29 | ETENERGY TRANSFER L P COM UT LTD PTN | 74,489 | $1.4M | 0.9% |
| 30 | WMBWILLIAMS COS INC | 19,130 | $1.4M | 0.9% |
| 31 | ADPAUTOMATIC DATA PROCESSING INC | 6,300 | $1.4M | 0.9% |
| 32 | DAIODATA I O CORP | 355,850 | $1.4M | 0.9% |
| 33 | SONYSONY GROUP CORP SPONSORED ADR | 68,500 | $1.4M | 0.9% |
| 34 | ABBVABBVIE INC | 5,152 | $1.3M | 0.8% |
| 35 | VZVERIZON COMMUNICATIONS INC | 30,424 | $1.3M | 0.8% |
| 36 | ABNBAIRBNB INC COM CL A | 8,950 | $1.3M | 0.8% |
| 37 | SPYSTATE STREET SPDR S&P 500 ETF | 1,605 | $1.2M | 0.8% |
| 38 | MESOMESOBLAST LTD SPONS ADR | 87,075 | $1.2M | 0.8% |
| 39 | HESMHESS MIDSTREAM LP CL A SHS | 30,055 | $1.1M | 0.7% |
| 40 | BLFSBIOLIFE SOLUTIONS INC | 39,705 | $1.1M | 0.7% |
| 41 | DVDOUBLEVERIFY HLDGS INC | 102,660 | $1.1M | 0.7% |
| 42 | USACUSA COMPRESSION PARTNERS LP COM UNIT LTDPAR | 41,038 | $1.1M | 0.7% |
| 43 | NPKINPK INTERNATIONAL INC COM SHS | 67,825 | $1.1M | 0.7% |
| 44 | NVDANVIDIA CORPORATION | 5,323 | $1.1M | 0.7% |
| 45 | OKEONEOK INC | 11,310 | $983,291 | 0.6% |
| 46 | METAMETA PLATFORMS INC CL A | 1,700 | $957,593 | 0.6% |
| 47 | KLICKULICKE & SOFFA INDS INC | 7,100 | $949,696 | 0.6% |
| 48 | PARPAR TECHNOLOGY CORP | 53,760 | $936,499 | 0.6% |
| 49 | BPOPPOPULAR INC COM NEW | 5,300 | $870,154 | 0.6% |
| 50 | NVSNOVARTIS AG SPONSORED ADR | 5,540 | $868,228 | 0.6% |
| 51 | BLZEBACKBLAZE INC COM CL A | 53,700 | $851,682 | 0.5% |
| 52 | POWIPOWER INTEGRATIONS INC | 9,200 | $770,592 | 0.5% |
| 53 | EMREMERSON ELEC CO | 5,300 | $758,695 | 0.5% |
| 54 | CVECENOVUS ENERGY INC | 29,880 | $741,322 | 0.5% |
| 55 | SHELSHELL PLC SPON ADS | 9,400 | $728,876 | 0.5% |
| 56 | OSSONE STOP SYS INC | 38,875 | $706,747 | 0.5% |
| 57 | ASURASURE SOFTWARE INC | 88,135 | $699,791 | 0.4% |
| 58 | WESWESTERN MIDSTREAM PARTNERS LP COM UNIT LP INT | 15,900 | $695,784 | 0.4% |
| 59 | QQQINVESCO QQQ TRUST SERIES I | 925 | $681,170 | 0.4% |
| 60 | SGOLABRDN PHYSICAL GOLD SHARES ETF | 17,080 | $652,968 | 0.4% |
| 61 | LINCLINCOLN EDL SVCS CORP | 12,715 | $634,478 | 0.4% |
| 62 | FBPFIRST BANCORP CORPORATION | 22,600 | $589,182 | 0.4% |
| 63 | RRCRANGE RES CORP | 14,240 | $529,585 | 0.3% |
| 64 | AEHRAEHR TEST SYS | 5,200 | $499,512 | 0.3% |
| 65 | REGNREGENERON PHARMACEUTICALS | 785 | $489,478 | 0.3% |
| 66 | TLTISHARES 20 YEAR TREASURY BOND ETF | 5,510 | $476,174 | 0.3% |
| 67 | PIMFRANKLIN MASTER INTER INCOME SH BEN INT | 147,063 | $475,013 | 0.3% |
| 68 | PAYSPAYSIGN INC | 57,310 | $469,368 | 0.3% |
| 69 | HTGCHERCULES CAPITAL INC | 29,387 | $463,447 | 0.3% |
| 70 | AAPLAPPLE INC | 1,529 | $442,431 | 0.3% |
| 71 | EPDENTERPRISE PRODS PARTNERS L P | 11,427 | $420,056 | 0.3% |
| 72 | DMLPDORCHESTER MINERALS L P COM UNIT | 16,225 | $409,681 | 0.3% |
| 73 | FNFFIDELITY NATL FINL INC | 8,668 | $408,782 | 0.3% |
| 74 | KOPNKOPIN CORP | 88,275 | $395,472 | 0.3% |
| 75 | BMYBRISTOL-MYERS SQUIBB CO | 6,615 | $381,156 | 0.2% |
| 76 | AMPLAMPLITUDE INC COM CL A | 48,705 | $372,593 | 0.2% |
| 77 | RITMRITHM CAPITAL CORP | 39,200 | $368,088 | 0.2% |
| 78 | IBMINTERNATIONAL BUSINESS MACHS | 1,283 | $360,792 | 0.2% |
| 79 | RSPINVESCO S&P 500 EQUAL WEIGHT ETF | 1,670 | $355,325 | 0.2% |
| 80 | TTITETRA TECHNOLOGIES INC DEL | 26,260 | $297,525 | 0.2% |
| 81 | TERTERADYNE INC | 600 | $290,304 | 0.2% |
| 82 | SPYMSTATE STREET SPDR PORTFOLIO S&P 500 ETF | 3,075 | $270,231 | 0.2% |
| 83 | IOVAIOVANCE BIOTHERAPEUTICS INC | 61,945 | $257,691 | 0.2% |
| 84 | UTGREAVES UTIL INCOME FD COM SH BEN INT | 6,125 | $249,410 | 0.2% |
| 85 | WLYWILEY JOHN & SONS INC CL A | 5,000 | $242,550 | 0.2% |
| 86 | JEPIJPMORGAN EQUITY PREMIUM INCOME ETF | 4,225 | $238,628 | 0.2% |
| 87 | GBDCGOLUB CAP BDC INC | 18,060 | $232,612 | 0.1% |
| 88 | CVXCHEVRON CORPORATION | 1,377 | $228,251 | 0.1% |
| 89 | AMANTERO MIDSTREAM CORP | 9,900 | $225,225 | 0.1% |
| 90 | MRKMERCK & CO INC | 1,700 | $218,450 | 0.1% |
| 91 | JPMJPMORGAN CHASE & CO | 660 | $216,037 | 0.1% |
| 92 | COPCONOCOPHILLIPS | 2,025 | $210,519 | 0.1% |
| 93 | FAFFIRST AMERN FINL CORP | 3,000 | $205,770 | 0.1% |
| 94 | VKQINVESCO MUNICIPAL TRUST | 20,000 | $200,800 | 0.1% |
| 95 | SKYHSKY HARBOUR GROUP CORPORATION COM CL A | 19,530 | $192,175 | 0.1% |
| 96 | BNEDBARNES & NOBLE ED INC | 15,000 | $188,400 | 0.1% |
| 97 | NUVNUVEEN MUN VALUE FD INC | 20,000 | $184,400 | 0.1% |
| 98 | AQSTAQUESTIVE THERAPEUTICS INC | 43,300 | $180,128 | 0.1% |
| 99 | DXDYNEX CAP INC | 10,050 | $131,755 | 0.1% |
| 100 | ONDSONDAS INC COM NEW | 10,005 | $82,441 | 0.1% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.