Penbrook Management LLC
CIK 0001381055
Annualised vol
7.828368%
Beta
0.318221
HHI
322.233506
Top-10 weight
45.1276%
VaR 95%
0.728548%
VaR 99%
1.575842%
Max drawdown
16.205344%
Matched value
63.111627%
Returns of reported holdings
Loading returns…
Position changes vs prior quarter
What the latest 13F shows bought and sold against the quarter before, by share count.
| Ticker | Change | Shares now | Shares before | Share change % | Value now ($) |
|---|---|---|---|---|---|
| NVO | UNCHANGED | 316,200 | 316,200 | 0.0% | 15,158,628 |
| AMZN | UNCHANGED | 51,760 | 51,760 | 0.0% | 12,336,478 |
| MSFT | REDUCED | 21,920 | 22,245 | -1.46% | 8,176,598 |
| ELVA | ADDED | 326,231 | 295,356 | 10.45% | 3,428,818 |
| VMD | ADDED | 277,178 | 272,398 | 1.75% | 3,159,829 |
| MRVL | UNCHANGED | 9,730 | 9,730 | 0.0% | 2,898,469 |
| PLAB | REDUCED | 89,055 | 96,730 | -7.93% | 2,896,959 |
| SA | ADDED | 110,915 | 95,990 | 15.55% | 2,854,952 |
| EXTR | ADDED | 84,025 | 83,525 | 0.6% | 2,719,889 |
| PL | REDUCED | 81,817 | 105,870 | -22.72% | 2,710,597 |
| ALKT | ADDED | 140,585 | 127,685 | 10.1% | 2,547,400 |
| ALLT | NEW | 275,295 | - | - | 2,436,360 |
| BX | UNCHANGED | 18,150 | 18,150 | 0.0% | 2,135,710 |
| MGNI | REDUCED | 112,040 | 112,190 | -0.13% | 2,126,519 |
| ACLS | REDUCED | 10,895 | 12,095 | -9.92% | 2,064,057 |
| CURI | ADDED | 764,800 | 675,150 | 13.28% | 2,034,368 |
| VET | UNCHANGED | 197,825 | 197,825 | 0.0% | 1,850,514 |
| BTE | NEW | 399,350 | - | - | 1,597,400 |
| ADP | UNCHANGED | 6,300 | 6,300 | 0.0% | 1,410,885 |
| DAIO | REDUCED | 355,850 | 356,850 | -0.28% | 1,402,049 |
| SONY | UNCHANGED | 68,500 | 68,500 | 0.0% | 1,374,110 |
| ABBV | REDUCED | 5,152 | 5,170 | -0.35% | 1,296,449 |
| VZ | ADDED | 30,424 | 29,899 | 1.76% | 1,288,152 |
| ABNB | UNCHANGED | 8,950 | 8,950 | 0.0% | 1,280,745 |
| HESM | UNCHANGED | 30,055 | 30,055 | 0.0% | 1,130,068 |
| BLFS | ADDED | 39,705 | 23,155 | 71.47% | 1,121,269 |
| NPKI | ADDED | 67,825 | 67,250 | 0.86% | 1,079,095 |
| NVDA | ADDED | 5,323 | 5,223 | 1.91% | 1,065,079 |
| OKE | UNCHANGED | 11,310 | 11,310 | 0.0% | 983,291 |
| META | UNCHANGED | 1,700 | 1,700 | 0.0% | 957,593 |
| PAR | ADDED | 53,760 | 35,775 | 50.27% | 936,499 |
| BPOP | REDUCED | 5,300 | 5,500 | -3.64% | 870,154 |
| NVS | UNCHANGED | 5,540 | 5,540 | 0.0% | 868,228 |
| BLZE | REDUCED | 53,700 | 72,150 | -25.57% | 851,682 |
| POWI | UNCHANGED | 9,200 | 9,200 | 0.0% | 770,592 |
| CVE | UNCHANGED | 29,880 | 29,880 | 0.0% | 741,322 |
| ASUR | REDUCED | 88,135 | 89,635 | -1.67% | 699,791 |
| REGN | UNCHANGED | 785 | 785 | 0.0% | 489,478 |
| PAYS | ADDED | 57,310 | 55,785 | 2.73% | 469,368 |
| HTGC | ADDED | 29,387 | 15,060 | 95.13% | 463,447 |
| AAPL | UNCHANGED | 1,529 | 1,529 | 0.0% | 442,431 |
| KOPN | REDUCED | 88,275 | 114,575 | -22.95% | 395,472 |
| BMY | ADDED | 6,615 | 6,250 | 5.84% | 381,156 |
| AMPL | NEW | 48,705 | - | - | 372,593 |
| RITM | NEW | 39,200 | - | - | 368,088 |
| TER | NEW | 600 | - | - | 290,304 |
| IOVA | ADDED | 61,945 | 42,445 | 45.94% | 257,691 |
| CVX | UNCHANGED | 1,377 | 1,377 | 0.0% | 228,251 |
| AM | UNCHANGED | 9,900 | 9,900 | 0.0% | 225,225 |
| MRK | UNCHANGED | 1,700 | 1,700 | 0.0% | 218,450 |
| JPM | NEW | 660 | - | - | 216,037 |
| COP | UNCHANGED | 2,025 | 2,025 | 0.0% | 210,519 |
| VKQ | UNCHANGED | 20,000 | 20,000 | 0.0% | 200,800 |
| SKYH | NEW | 19,530 | - | - | 192,175 |
| AQST | ADDED | 43,300 | 25,565 | 69.37% | 180,128 |
| ONDS | UNCHANGED | 10,005 | 10,005 | 0.0% | 82,441 |
| XGN | CLOSED OUT | 0 | 13,330 | -100.0% | 0 |
| NKE | CLOSED OUT | 0 | 3,960 | -100.0% | 0 |
Holdings (latest quarter)
| Ticker | Change | Issuer | Class | CUSIP | Value ($) | Weight % | Shares |
|---|---|---|---|---|---|---|---|
| NVO | UNCHANGED | NOVO-NORDISK A S ADR | ADR | 670100205 | 15,158,628 | 9.67 | 316200.0 |
| AMZN | UNCHANGED | AMAZON COM INC | Stock | 023135106 | 12,336,478 | 7.87 | 51760.0 |
| - | ALPHABET INC CAP STK CL A | Stock | 02079K305 | 8,280,262 | 5.28 | 23170.0 | |
| MSFT | REDUCED | MICROSOFT CORP | Stock | 594918104 | 8,176,598 | 5.22 | 21920.0 |
| - | ALPHABET INC CAP STK CL C | Stock | 02079K107 | 7,969,004 | 5.08 | 22554.0 | |
| - | MOODYS CORP | Stock | 615369105 | 6,159,712 | 3.93 | 13600.0 | |
| ELVA | ADDED | ELECTROVAYA INC | Stock | 28617B606 | 3,428,818 | 2.19 | 326231.0 |
| - | CRYOPORT INC COM PAR $0.001 | Stock | 229050307 | 3,181,997 | 2.03 | 202675.0 | |
| VMD | ADDED | VIEMED HEALTHCARE INC | Stock | 92663R105 | 3,159,829 | 2.02 | 277178.0 |
| MRVL | UNCHANGED | MARVELL TECHNOLOGY INC | Stock | 573874104 | 2,898,469 | 1.85 | 9730.0 |
| PLAB | REDUCED | PHOTRONICS INC | Stock | 719405102 | 2,896,959 | 1.85 | 89055.0 |
| SA | ADDED | SEABRIDGE GOLD INC | Stock | 811927102 | 2,854,952 | 1.82 | 110915.0 |
| EXTR | ADDED | EXTREME NETWORKS INC | Stock | 30226D106 | 2,719,889 | 1.73 | 84025.0 |
| PL | REDUCED | PLANET LABS PBC COM CL A | Stock | 72703X106 | 2,710,597 | 1.73 | 81817.0 |
| - | PROTHENA CORP PLC SHS | Stock | G72800108 | 2,660,138 | 1.7 | 271720.0 | |
| ALKT | ADDED | ALKAMI TECHNOLOGY INC | Stock | 01644J108 | 2,547,400 | 1.62 | 140585.0 |
| ALLT | NEW | ALLOT LTD SHS | Stock | M0854Q105 | 2,436,360 | 1.55 | 275295.0 |
| - | CISCO SYS INC | Stock | 17275R102 | 2,155,391 | 1.37 | 18350.0 | |
| BX | UNCHANGED | BLACKSTONE INC | Stock | 09260D107 | 2,135,710 | 1.36 | 18150.0 |
| MGNI | REDUCED | MAGNITE INC | Stock | 55955D100 | 2,126,519 | 1.36 | 112040.0 |
| ACLS | REDUCED | AXCELIS TECHNOLOGIES INC | Stock | 054540208 | 2,064,057 | 1.32 | 10895.0 |
| CURI | ADDED | CURIOSITYSTREAM INC COM CL A | Stock | 23130Q107 | 2,034,368 | 1.3 | 764800.0 |
| - | THOMSON REUTERS CORP | Stock | 884903881 | 1,990,822 | 1.27 | 24381.0 | |
| - | NUVEEN N Y MUN VALUE FD | CEF | 67062M105 | 1,867,973 | 1.19 | 213727.0 | |
| VET | UNCHANGED | VERMILION ENERGY INC | Stock | 923725105 | 1,850,514 | 1.18 | 197825.0 |
| - | TARGA RES CORP | Stock | 87612G101 | 1,848,020 | 1.18 | 6892.0 | |
| - | BERKSHIRE HATHAWAY INC DEL CL B NEW | Stock | 084670702 | 1,646,283 | 1.05 | 3290.0 | |
| BTE | NEW | BAYTEX ENERGY CORP | Stock | 07317Q105 | 1,597,400 | 1.02 | 399350.0 |
| - | ENERGY TRANSFER L P COM UT LTD PTN | Stock | 29273V100 | 1,424,229 | 0.91 | 74489.0 | |
| - | WILLIAMS COS INC | Stock | 969457100 | 1,422,124 | 0.91 | 19130.0 | |
| ADP | UNCHANGED | AUTOMATIC DATA PROCESSING INC | Stock | 053015103 | 1,410,885 | 0.9 | 6300.0 |
| DAIO | REDUCED | DATA I O CORP | Stock | 237690102 | 1,402,049 | 0.89 | 355850.0 |
| SONY | UNCHANGED | SONY GROUP CORP SPONSORED ADR | ADR | 835699307 | 1,374,110 | 0.88 | 68500.0 |
| ABBV | REDUCED | ABBVIE INC | Stock | 00287Y109 | 1,296,449 | 0.83 | 5152.0 |
| VZ | ADDED | VERIZON COMMUNICATIONS INC | Stock | 92343V104 | 1,288,152 | 0.82 | 30424.0 |
| ABNB | UNCHANGED | AIRBNB INC COM CL A | Stock | 009066101 | 1,280,745 | 0.82 | 8950.0 |
| - | STATE STREET SPDR S&P 500 ETF | ETF | 78462F103 | 1,198,565 | 0.76 | 1605.0 | |
| - | MESOBLAST LTD SPONS ADR | ADR | 590717401 | 1,178,124 | 0.75 | 87075.0 | |
| HESM | UNCHANGED | HESS MIDSTREAM LP CL A SHS | Stock | 428103105 | 1,130,068 | 0.72 | 30055.0 |
| BLFS | ADDED | BIOLIFE SOLUTIONS INC | Stock | 09062W204 | 1,121,269 | 0.72 | 39705.0 |
| - | DOUBLEVERIFY HLDGS INC | Stock | 25862V105 | 1,112,834 | 0.71 | 102660.0 | |
| - | USA COMPRESSION PARTNERS LP COM UNIT LTDPAR | Stock | 90290N109 | 1,082,992 | 0.69 | 41038.0 | |
| NPKI | ADDED | NPK INTERNATIONAL INC COM SHS | Stock | 651718504 | 1,079,095 | 0.69 | 67825.0 |
| NVDA | ADDED | NVIDIA CORPORATION | Stock | 67066G104 | 1,065,079 | 0.68 | 5323.0 |
| OKE | UNCHANGED | ONEOK INC | Stock | 682680103 | 983,291 | 0.63 | 11310.0 |
| META | UNCHANGED | META PLATFORMS INC CL A | Stock | 30303M102 | 957,593 | 0.61 | 1700.0 |
| - | KULICKE & SOFFA INDS INC | Stock | 501242101 | 949,696 | 0.61 | 7100.0 | |
| PAR | ADDED | PAR TECHNOLOGY CORP | Stock | 698884103 | 936,499 | 0.6 | 53760.0 |
| BPOP | REDUCED | POPULAR INC COM NEW | Stock | 733174700 | 870,154 | 0.56 | 5300.0 |
| NVS | UNCHANGED | NOVARTIS AG SPONSORED ADR | ADR | 66987V109 | 868,228 | 0.55 | 5540.0 |
| BLZE | REDUCED | BACKBLAZE INC COM CL A | Stock | 05637B105 | 851,682 | 0.54 | 53700.0 |
| POWI | UNCHANGED | POWER INTEGRATIONS INC | Stock | 739276103 | 770,592 | 0.49 | 9200.0 |
| - | EMERSON ELEC CO | Stock | 291011104 | 758,695 | 0.48 | 5300.0 | |
| CVE | UNCHANGED | CENOVUS ENERGY INC | Stock | 15135U109 | 741,322 | 0.47 | 29880.0 |
| - | SHELL PLC SPON ADS | ADR | 780259305 | 728,876 | 0.46 | 9400.0 | |
| - | ONE STOP SYS INC | Stock | 68247W109 | 706,747 | 0.45 | 38875.0 | |
| ASUR | REDUCED | ASURE SOFTWARE INC | Stock | 04649U102 | 699,791 | 0.45 | 88135.0 |
| - | WESTERN MIDSTREAM PARTNERS LP COM UNIT LP INT | Stock | 958669103 | 695,784 | 0.44 | 15900.0 | |
| - | INVESCO QQQ TRUST SERIES I | ETF | 46090E103 | 681,170 | 0.43 | 925.0 | |
| - | ABRDN PHYSICAL GOLD SHARES ETF | ETF | 00326A104 | 652,968 | 0.42 | 17080.0 | |
| - | LINCOLN EDL SVCS CORP | Stock | 533535100 | 634,478 | 0.4 | 12715.0 | |
| - | FIRST BANCORP CORPORATION | Stock | 318672706 | 589,182 | 0.38 | 22600.0 | |
| - | RANGE RES CORP | Stock | 75281A109 | 529,585 | 0.34 | 14240.0 | |
| - | AEHR TEST SYS | Stock | 00760J108 | 499,512 | 0.32 | 5200.0 | |
| REGN | UNCHANGED | REGENERON PHARMACEUTICALS | Stock | 75886F107 | 489,478 | 0.31 | 785.0 |
| - | ISHARES 20 YEAR TREASURY BOND ETF | ETF | 464287432 | 476,174 | 0.3 | 5510.0 | |
| - | FRANKLIN MASTER INTER INCOME SH BEN INT | CEF | 746909100 | 475,013 | 0.3 | 147063.0 | |
| PAYS | ADDED | PAYSIGN INC | Stock | 70451A104 | 469,368 | 0.3 | 57310.0 |
| HTGC | ADDED | HERCULES CAPITAL INC | CEF | 427096508 | 463,447 | 0.3 | 29387.0 |
| AAPL | UNCHANGED | APPLE INC | Stock | 037833100 | 442,431 | 0.28 | 1529.0 |
| - | ENTERPRISE PRODS PARTNERS L P | Stock | 293792107 | 420,056 | 0.27 | 11427.0 | |
| - | DORCHESTER MINERALS L P COM UNIT | Stock | 25820R105 | 409,681 | 0.26 | 16225.0 | |
| - | FIDELITY NATL FINL INC | Stock | 31620R303 | 408,782 | 0.26 | 8668.0 | |
| KOPN | REDUCED | KOPIN CORP | Stock | 500600101 | 395,472 | 0.25 | 88275.0 |
| BMY | ADDED | BRISTOL-MYERS SQUIBB CO | Stock | 110122108 | 381,156 | 0.24 | 6615.0 |
| AMPL | NEW | AMPLITUDE INC COM CL A | Stock | 03213A104 | 372,593 | 0.24 | 48705.0 |
| RITM | NEW | RITHM CAPITAL CORP | REIT | 64828T201 | 368,088 | 0.23 | 39200.0 |
| - | INTERNATIONAL BUSINESS MACHS | Stock | 459200101 | 360,792 | 0.23 | 1283.0 | |
| - | INVESCO S&P 500 EQUAL WEIGHT ETF | ETF | 46137V357 | 355,325 | 0.23 | 1670.0 | |
| - | TETRA TECHNOLOGIES INC DEL | Stock | 88162F105 | 297,525 | 0.19 | 26260.0 | |
| TER | NEW | TERADYNE INC | Stock | 880770102 | 290,304 | 0.19 | 600.0 |
| - | STATE STREET SPDR PORTFOLIO S&P 500 ETF | ETF | 78464A854 | 270,231 | 0.17 | 3075.0 | |
| IOVA | ADDED | IOVANCE BIOTHERAPEUTICS INC | Stock | 462260100 | 257,691 | 0.16 | 61945.0 |
| - | REAVES UTIL INCOME FD COM SH BEN INT | CEF | 756158101 | 249,410 | 0.16 | 6125.0 | |
| - | WILEY JOHN & SONS INC CL A | Stock | 968223206 | 242,550 | 0.15 | 5000.0 | |
| - | JPMORGAN EQUITY PREMIUM INCOME ETF | ETF | 46641Q332 | 238,628 | 0.15 | 4225.0 | |
| - | GOLUB CAP BDC INC | CEF | 38173M102 | 232,612 | 0.15 | 18060.0 | |
| CVX | UNCHANGED | CHEVRON CORPORATION | Stock | 166764100 | 228,251 | 0.15 | 1377.0 |
| AM | UNCHANGED | ANTERO MIDSTREAM CORP | Stock | 03676B102 | 225,225 | 0.14 | 9900.0 |
| MRK | UNCHANGED | MERCK & CO INC | Stock | 58933Y105 | 218,450 | 0.14 | 1700.0 |
| JPM | NEW | JPMORGAN CHASE & CO | Stock | 46625H100 | 216,037 | 0.14 | 660.0 |
| COP | UNCHANGED | CONOCOPHILLIPS | Stock | 20825C104 | 210,519 | 0.13 | 2025.0 |
| - | FIRST AMERN FINL CORP | Stock | 31847R102 | 205,770 | 0.13 | 3000.0 | |
| VKQ | UNCHANGED | INVESCO MUNICIPAL TRUST | CEF | 46131J103 | 200,800 | 0.13 | 20000.0 |
| SKYH | NEW | SKY HARBOUR GROUP CORPORATION COM CL A | Stock | 83085C107 | 192,175 | 0.12 | 19530.0 |
| - | BARNES & NOBLE ED INC | Stock | 06777U200 | 188,400 | 0.12 | 15000.0 | |
| - | NUVEEN MUN VALUE FD INC | CEF | 670928100 | 184,400 | 0.12 | 20000.0 | |
| AQST | ADDED | AQUESTIVE THERAPEUTICS INC | Stock | 03843E104 | 180,128 | 0.11 | 43300.0 |
| - | DYNEX CAP INC | REIT | 26817Q886 | 131,755 | 0.08 | 10050.0 | |
| ONDS | UNCHANGED | ONDAS INC COM NEW | Stock | 68236H204 | 82,441 | 0.05 | 10005.0 |
| - | PROFOUND MED CORP | Stock | 74319B502 | 80,298 | 0.05 | 12075.0 |
Quarterly portfolios
| Period | Filed | Value ($) | Positions | Vol % | Beta | Max DD % |
|---|---|---|---|---|---|---|
| 2026-06-30 | 2026-07-23 | 156,777,217 | 101 | 7.828368 | 0.318221 | 16.205344 |
| 2026-03-31 | 2026-04-21 | 132,057,635 | 93 | 7.677799 | 0.317474 | 15.04312 |
| 2025-12-31 | 2026-01-06 | 144,978,590 | 97 | 8.599835 | 0.35257 | 16.581199 |
| 2025-09-30 | 2025-10-22 | 143,225,197 | 104 | 8.771338 | 0.368451 | 16.946452 |
| 2025-03-31 | 2025-04-01 | 132,295,726 | 107 | 8.161381 | 0.334937 | 17.082191 |
| 2024-12-31 | 2025-01-23 | 146,598,827 | 110 | 8.556055 | 0.339477 | 18.841677 |