# Penbrook Management LLC: Form 13F holdings

An institutional investment manager in NEW YORK, NY. SEC CIK 1381055.

- Quarter ended: 2026-06-30
- Filed: 2026-07-23
- Reported value: $156.8m
- Positions: 101 (101 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1381055/000138105526000003/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [NOVO-NORDISK A S ADR (NVO)](/companies/nvo.md) | ADR | $15.2m | 9.7% | 316,200 |  | Unchanged |
| [AMAZON COM INC (AMZN)](/companies/amzn.md) | Stock | $12.3m | 7.9% | 51,760 |  | Unchanged |
| [ALPHABET INC CAP STK CL A (GOOGL)](/companies/googl.md) | Stock | $8.3m | 5.3% | 23,170 |  | Unchanged |
| [MICROSOFT CORP (MSFT)](/companies/msft.md) | Stock | $8.2m | 5.2% | 21,920 |  | Reduced −325 |
| [ALPHABET INC CAP STK CL C (GOOGL)](/companies/googl.md) | Stock | $8.0m | 5.1% | 22,554 |  | Unchanged |
| [MOODYS CORP (MCO)](/companies/mco.md) | Stock | $6.2m | 3.9% | 13,600 |  | Unchanged |
| [ELECTROVAYA INC (ELVA)](/companies/elva.md) | Stock | $3.4m | 2.2% | 326,231 |  | Added +30,875 |
| [CRYOPORT INC COM PAR $0.001 (CYRX)](/companies/cyrx.md) | Stock | $3.2m | 2.0% | 202,675 |  | Added +16,900 |
| [VIEMED HEALTHCARE INC (VMD)](/companies/vmd.md) | Stock | $3.2m | 2.0% | 277,178 |  | Added +4,780 |
| [MARVELL TECHNOLOGY INC (MRVL)](/companies/mrvl.md) | Stock | $2.9m | 1.8% | 9,730 |  | Unchanged |
| [PHOTRONICS INC (PLAB)](/companies/plab.md) | Stock | $2.9m | 1.8% | 89,055 |  | Reduced −7,675 |
| [SEABRIDGE GOLD INC (SA)](/companies/sa.md) | Stock | $2.9m | 1.8% | 110,915 |  | New +110,915 |
| [EXTREME NETWORKS INC (EXTR)](/companies/extr.md) | Stock | $2.7m | 1.7% | 84,025 |  | Added +500 |
| [PLANET LABS PBC COM CL A (PL)](/companies/pl.md) | Stock | $2.7m | 1.7% | 81,817 |  | Reduced −24,053 |
| PROTHENA CORP PLC SHS | Stock | $2.7m | 1.7% | 271,720 |  | Unchanged |
| [ALKAMI TECHNOLOGY INC (ALKT)](/companies/alkt.md) | Stock | $2.5m | 1.6% | 140,585 |  | Added +12,900 |
| ALLOT LTD SHS | Stock | $2.4m | 1.6% | 275,295 |  | New +275,295 |
| [CISCO SYS INC (CSCO)](/companies/csco.md) | Stock | $2.2m | 1.4% | 18,350 |  | Unchanged |
| [BLACKSTONE INC (BX)](/companies/bx.md) | Stock | $2.1m | 1.4% | 18,150 |  | Unchanged |
| [MAGNITE INC (MGNI)](/companies/mgni.md) | Stock | $2.1m | 1.4% | 112,040 |  | Reduced −150 |
| [AXCELIS TECHNOLOGIES INC (ACLS)](/companies/acls.md) | Stock | $2.1m | 1.3% | 10,895 |  | Reduced −1,200 |
| [CURIOSITYSTREAM INC COM CL A (CURI)](/companies/curi.md) | Stock | $2.0m | 1.3% | 764,800 |  | Added +89,650 |
| [THOMSON REUTERS CORP (TRI)](/companies/tri.md) | Stock | $2.0m | 1.3% | 24,381 |  | New +24,381 |
| [NUVEEN N Y MUN VALUE FD (NNY)](/companies/nny.md) | CEF | $1.9m | 1.2% | 213,727 |  | Unchanged |
| [VERMILION ENERGY INC (VET)](/companies/vet.md) | Stock | $1.9m | 1.2% | 197,825 |  | Unchanged |
| [TARGA RES CORP (TRGP)](/companies/trgp.md) | Stock | $1.8m | 1.2% | 6,892 |  | Unchanged |
| [BERKSHIRE HATHAWAY INC DEL CL B NEW (BRK-B)](/companies/brk-b.md) | Stock | $1.6m | 1.1% | 3,290 |  | Reduced −10 |
| [BAYTEX ENERGY CORP (BTE)](/companies/bte.md) | Stock | $1.6m | 1.0% | 399,350 |  | New +399,350 |
| [ENERGY TRANSFER L P COM UT LTD PTN (ET)](/companies/et.md) | Stock | $1.4m | 0.9% | 74,489 |  | Unchanged |
| [WILLIAMS COS INC (WMB)](/companies/wmb.md) | Stock | $1.4m | 0.9% | 19,130 |  | Unchanged |
| [AUTOMATIC DATA PROCESSING INC (ADP)](/companies/adp.md) | Stock | $1.4m | 0.9% | 6,300 |  | Unchanged |
| [DATA I O CORP (DAIO)](/companies/daio.md) | Stock | $1.4m | 0.9% | 355,850 |  | Reduced −1,000 |
| [SONY GROUP CORP SPONSORED ADR (SONY)](/companies/sony.md) | ADR | $1.4m | 0.9% | 68,500 |  | Unchanged |
| [ABBVIE INC (ABBV)](/companies/abbv.md) | Stock | $1.3m | 0.8% | 5,152 |  | Reduced −18 |
| [VERIZON COMMUNICATIONS INC (VZ)](/companies/vz.md) | Stock | $1.3m | 0.8% | 30,424 |  | Added +525 |
| [AIRBNB INC COM CL A (ABNB)](/companies/abnb.md) | Stock | $1.3m | 0.8% | 8,950 |  | Unchanged |
| [STATE STREET SPDR S&P 500 ETF (SPY)](/companies/spy.md) | ETF | $1.2m | 0.8% | 1,605 |  | Unchanged |
| [MESOBLAST LTD SPONS ADR (MESO)](/companies/meso.md) | ADR | $1.2m | 0.8% | 87,075 |  | Unchanged |
| [HESS MIDSTREAM LP CL A SHS (HESM)](/companies/hesm.md) | Stock | $1.1m | 0.7% | 30,055 |  | Unchanged |
| BIOLIFE SOLUTIONS INC | Stock | $1.1m | 0.7% | 39,705 |  | Added +16,550 |
| [DOUBLEVERIFY HLDGS INC (DV)](/companies/dv.md) | Stock | $1.1m | 0.7% | 102,660 |  | Reduced −250 |
| [USA COMPRESSION PARTNERS LP COM UNIT LTDPAR (USAC)](/companies/usac.md) | Stock | $1.1m | 0.7% | 41,038 |  | Unchanged |
| [NPK INTERNATIONAL INC COM SHS (NPKI)](/companies/npki.md) | Stock | $1.1m | 0.7% | 67,825 |  | Added +575 |
| [NVIDIA CORPORATION (NVDA)](/companies/nvda.md) | Stock | $1.1m | 0.7% | 5,323 |  | Added +100 |
| ONEOK INC | Stock | $983.3k | 0.6% | 11,310 |  | Unchanged |
| [META PLATFORMS INC CL A (META)](/companies/meta.md) | Stock | $957.6k | 0.6% | 1,700 |  | Unchanged |
| [KULICKE & SOFFA INDS INC (KLIC)](/companies/klic.md) | Stock | $949.7k | 0.6% | 7,100 |  | Unchanged |
| [PAR TECHNOLOGY CORP (PAR)](/companies/par.md) | Stock | $936.5k | 0.6% | 53,760 |  | Added +17,985 |
| [POPULAR INC COM NEW (BPOP)](/companies/bpop.md) | Stock | $870.2k | 0.6% | 5,300 |  | Reduced −200 |
| [NOVARTIS AG SPONSORED ADR (NVS)](/companies/nvs.md) | ADR | $868.2k | 0.6% | 5,540 |  | Unchanged |
| [BACKBLAZE INC COM CL A (BLZE)](/companies/blze.md) | Stock | $851.7k | 0.5% | 53,700 |  | Reduced −18,450 |
| [POWER INTEGRATIONS INC (POWI)](/companies/powi.md) | Stock | $770.6k | 0.5% | 9,200 |  | Unchanged |
| [EMERSON ELEC CO (EMR)](/companies/emr.md) | Stock | $758.7k | 0.5% | 5,300 |  | Unchanged |
| [CENOVUS ENERGY INC (CVE)](/companies/cve.md) | Stock | $741.3k | 0.5% | 29,880 |  | Unchanged |
| [SHELL PLC SPON ADS (SHEL)](/companies/shel.md) | ADR | $728.9k | 0.5% | 9,400 |  | Unchanged |
| [ONE STOP SYS INC (OSS)](/companies/oss.md) | Stock | $706.7k | 0.5% | 38,875 |  | Reduced −7,865 |
| [ASURE SOFTWARE INC (ASUR)](/companies/asur.md) | Stock | $699.8k | 0.4% | 88,135 |  | Reduced −1,500 |
| [WESTERN MIDSTREAM PARTNERS LP COM UNIT LP INT (WES)](/companies/wes.md) | Stock | $695.8k | 0.4% | 15,900 |  | Unchanged |
| INVESCO QQQ TRUST SERIES I | ETF | $681.2k | 0.4% | 925 |  | Unchanged |
| [ABRDN PHYSICAL GOLD SHARES ETF (SGOL)](/companies/sgol.md) | ETF | $653.0k | 0.4% | 17,080 |  | Reduced −75 |
| [LINCOLN EDL SVCS CORP (LINC)](/companies/linc.md) | Stock | $634.5k | 0.4% | 12,715 |  | Reduced −25 |
| [FIRST BANCORP CORPORATION (FBP)](/companies/fbp.md) | Stock | $589.2k | 0.4% | 22,600 |  | Reduced −900 |
| [RANGE RES CORP (RRC)](/companies/rrc.md) | Stock | $529.6k | 0.3% | 14,240 |  | Unchanged |
| [AEHR TEST SYS (AEHR)](/companies/aehr.md) | Stock | $499.5k | 0.3% | 5,200 |  | Reduced −74,315 |
| [REGENERON PHARMACEUTICALS (REGN)](/companies/regn.md) | Stock | $489.5k | 0.3% | 785 |  | Unchanged |
| ISHARES 20 YEAR TREASURY BOND ETF | ETF | $476.2k | 0.3% | 5,510 |  | New +5,510 |
| [FRANKLIN MASTER INTER INCOME SH BEN INT (PIM)](/companies/pim.md) | CEF | $475.0k | 0.3% | 147,063 |  | Unchanged |
| [PAYSIGN INC (PAYS)](/companies/pays.md) | Stock | $469.4k | 0.3% | 57,310 |  | Added +1,525 |
| [HERCULES CAPITAL INC (HTGC)](/companies/htgc.md) | CEF | $463.4k | 0.3% | 29,387 |  | Added +14,327 |
| [APPLE INC (AAPL)](/companies/aapl.md) | Stock | $442.4k | 0.3% | 1,529 |  | Unchanged |
| [ENTERPRISE PRODS PARTNERS L P (EPD)](/companies/epd.md) | Stock | $420.1k | 0.3% | 11,427 |  | Unchanged |
| [DORCHESTER MINERALS L P COM UNIT (DMLP)](/companies/dmlp.md) | Stock | $409.7k | 0.3% | 16,225 |  | Unchanged |
| [FIDELITY NATL FINL INC (FNF)](/companies/fnf.md) | Stock | $408.8k | 0.3% | 8,668 |  | Reduced −500 |
| [KOPIN CORP (KOPN)](/companies/kopn.md) | Stock | $395.5k | 0.3% | 88,275 |  | Reduced −26,300 |
| [BRISTOL-MYERS SQUIBB CO (BMY)](/companies/bmy.md) | Stock | $381.2k | 0.2% | 6,615 |  | Added +365 |
| [AMPLITUDE INC COM CL A (AMPL)](/companies/ampl.md) | Stock | $372.6k | 0.2% | 48,705 |  | New +48,705 |
| [RITHM CAPITAL CORP (RITM)](/companies/ritm.md) | REIT | $368.1k | 0.2% | 39,200 |  | New +39,200 |
| [INTERNATIONAL BUSINESS MACHS (IBM)](/companies/ibm.md) | Stock | $360.8k | 0.2% | 1,283 |  | Unchanged |
| INVESCO S&P 500 EQUAL WEIGHT ETF | ETF | $355.3k | 0.2% | 1,670 |  | Unchanged |
| [TETRA TECHNOLOGIES INC DEL (TTI)](/companies/tti.md) | Stock | $297.5k | 0.2% | 26,260 |  | Reduced −150 |
| [TERADYNE INC (TER)](/companies/ter.md) | Stock | $290.3k | 0.2% | 600 |  | New +600 |
| STATE STREET SPDR PORTFOLIO S&P 500 ETF | ETF | $270.2k | 0.2% | 3,075 |  | Reduced −105 |
| [IOVANCE BIOTHERAPEUTICS INC (IOVA)](/companies/iova.md) | Stock | $257.7k | 0.2% | 61,945 |  | Added +19,500 |
| [REAVES UTIL INCOME FD COM SH BEN INT (UTG)](/companies/utg.md) | CEF | $249.4k | 0.2% | 6,125 |  | Unchanged |
| [WILEY JOHN & SONS INC CL A (WLY)](/companies/wly.md) | Stock | $242.6k | 0.2% | 5,000 |  | New +5,000 |
| JPMORGAN EQUITY PREMIUM INCOME ETF | ETF | $238.6k | 0.2% | 4,225 |  | Unchanged |
| [GOLUB CAP BDC INC (GBDC)](/companies/gbdc.md) | CEF | $232.6k | 0.1% | 18,060 |  | Added +3,380 |
| [CHEVRON CORPORATION (CVX)](/companies/cvx.md) | Stock | $228.3k | 0.1% | 1,377 |  | Unchanged |
| [ANTERO MIDSTREAM CORP (AM)](/companies/am.md) | Stock | $225.2k | 0.1% | 9,900 |  | Unchanged |
| [MERCK & CO INC (MRK)](/companies/mrk.md) | Stock | $218.4k | 0.1% | 1,700 |  | Unchanged |
| [JPMORGAN CHASE & CO (JPM)](/companies/jpm.md) | Stock | $216.0k | 0.1% | 660 |  | New +660 |
| [CONOCOPHILLIPS (COP)](/companies/cop.md) | Stock | $210.5k | 0.1% | 2,025 |  | Unchanged |
| [FIRST AMERN FINL CORP (FAF)](/companies/faf.md) | Stock | $205.8k | 0.1% | 3,000 |  | New +3,000 |
| [INVESCO MUNICIPAL TRUST (VKQ)](/companies/vkq.md) | CEF | $200.8k | 0.1% | 20,000 |  | Unchanged |
| [SKY HARBOUR GROUP CORPORATION COM CL A (SKYH)](/companies/skyh.md) | Stock | $192.2k | 0.1% | 19,530 |  | New +19,530 |
| [BARNES & NOBLE ED INC (BNED)](/companies/bned.md) | Stock | $188.4k | 0.1% | 15,000 |  | New +15,000 |
| [NUVEEN MUN VALUE FD INC (NUV)](/companies/nuv.md) | CEF | $184.4k | 0.1% | 20,000 |  | Unchanged |
| [AQUESTIVE THERAPEUTICS INC (AQST)](/companies/aqst.md) | Stock | $180.1k | 0.1% | 43,300 |  | Added +17,735 |
| [DYNEX CAP INC (DX)](/companies/dx.md) | REIT | $131.8k | <0.1% | 10,050 |  | Unchanged |
| [ONDAS INC COM NEW (ONDS)](/companies/onds.md) | Stock | $82.4k | <0.1% | 10,005 |  | Unchanged |
| [PROFOUND MED CORP (PROF)](/companies/prof.md) | Stock | $80.3k | <0.1% | 12,075 |  | Reduced −225 |

## Sold out

Held at the end of the quarter before and not reported this quarter.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [EXAGEN INC COM (XGN)](/companies/xgn.md) | Stock | $0 | 0.0% | 0 |  | Sold out −13,330 |
| EXXON MOBIL CORP COM | Stock | $0 | 0.0% | 0 |  | Sold out −1,280 |
| [NIKE INC CL B (NKE)](/companies/nke.md) | Stock | $0 | 0.0% | 0 |  | Sold out −3,960 |
| SEABRIDGE GOLD INC COM | Stock | $0 | 0.0% | 0 |  | Sold out −95,990 |
| THOMSON REUTERS CORP COM | Stock | $0 | 0.0% | 0 |  | Sold out −24,774 |

Source: SEC EDGAR, Form 13F-HR, accession 0001381055-26-000003. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.