Penbrook Management LLC — Q1 2026 13F-HR

← Penbrook Management LLC

Q1 2026 · 13F-HR

Penbrook Management LLCholdings as filed

Filed 2026-04-21 · accession 0001381055-26-000002

$132.1M

Reported value

Positions

2026-03-31

Period end

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Holdings as filed

CUSIP	Ticker	Issuer	Value	% port.	Shares	Class	Voting
670100205	NVO	NOVO-NORDISK A S ADR	$11.6M	8.80%	316,200	Common	NONE
023135106	AMZN	AMAZON COM INC COM	$10.8M	8.16%	51,760	Common	NONE
594918104	MSFT	MICROSOFT CORP COM	$8.2M	6.24%	22,245	Common	NONE
02079K305	GOOGL	ALPHABET INC CAP STK CL A	$6.7M	5.05%	23,170	Common	NONE
02079K107	GOOG	ALPHABET INC CAP STK CL C	$6.5M	4.90%	22,554	Common	NONE
615369105	MCO	MOODYS CORP COM	$5.9M	4.49%	13,600	Common	NONE
719405102	PLAB	PHOTRONICS INC COM	$3.9M	2.96%	96,730	Common	NONE
72703X106	PL	PLANET LABS PBC COM CL A	$3.0M	2.24%	105,870	Common	NONE
00760J108	AEHR	AEHR TEST SYS COM	$2.9M	2.23%	79,515	Common	NONE
811916105	SA	SEABRIDGE GOLD INC COM	$2.7M	2.06%	95,990	Common	NONE
923725105	VET	VERMILION ENERGY INC COM	$2.7M	2.06%	197,825	Common	NONE
G72800108	PRTA	PROTHENA CORP PLC SHS	$2.6M	2.00%	271,720	Common	NONE
92663R105	VMD	VIEMED HEALTHCARE INC COM	$2.5M	1.90%	272,398	Common	NONE
28617B606	ELVA	ELECTROVAYA INC COM NEW	$2.3M	1.74%	295,356	Common	NONE
884903808	TRI4EUR	THOMSON REUTERS CORP COM	$2.2M	1.69%	24,774	Common	NONE
09260D107	BX	BLACKSTONE INC COM	$2.1M	1.58%	18,150	Common	NONE
01644J108	ALKT	ALKAMI TECHNOLOGY INC COM	$2.0M	1.52%	127,685	Common	NONE
23130Q107	CURI	CURIOSITYSTREAM INC COM CL A	$2.0M	1.51%	675,150	Common	NONE
67062M105	NNY	NUVEEN N Y MUN VALUE FD COM	$1.8M	1.35%	213,727	Common	NONE
87612G101	TRGP	TARGA RES CORP COM	$1.7M	1.31%	6,892	Common	NONE
084670702	BRK/B	BERKSHIRE HATHAWAY INC DEL CL B NEW	$1.6M	1.20%	3,300	Common	NONE
229050307	CYRX	CRYOPORT INC COM PAR $0.001	$1.5M	1.16%	185,775	Common	NONE
92343V104	VZ	VERIZON COMMUNICATIONS INC COM	$1.5M	1.14%	29,899	Common	NONE
29273V100	ET	ENERGY TRANSFER L P COM UT LTD PTN	$1.4M	1.09%	74,489	Common	NONE
17275R102	CSCO	CISCO SYS INC COM	$1.4M	1.08%	18,350	Common	NONE
835699307	SONY	SONY GROUP CORP SPONSORED ADR	$1.4M	1.07%	68,500	Common	NONE
969457100	WMB	WILLIAMS COS INC COM	$1.4M	1.05%	19,130	Common	NONE
590717401	MESO	MESOBLAST LTD SPONS ADR	$1.3M	1.01%	87,075	Common	NONE
55955D100	MGNI	MAGNITE INC COM	$1.3M	1.01%	112,190	Common	NONE
053015103	ADP	AUTOMATIC DATA PROCESSING INC COM	$1.3M	0.97%	6,300	Common	NONE
30226D106	EXTR	EXTREME NETWORKS INC COM	$1.3M	0.95%	83,525	Common	NONE
428103105	HESM	HESS MIDSTREAM LP CL A SHS	$1.2M	0.88%	30,055	Common	NONE
009066101	ABNB	AIRBNB INC COM CL A	$1.1M	0.86%	8,950	Common	NONE
054540208	ACLS	AXCELIS TECHNOLOGIES INC COM NEW	$1.1M	0.85%	12,095	Common	NONE
00287Y109	ABBV	ABBVIE INC COM	$1.1M	0.85%	5,170	Common	NONE
90290N109	USAC	USA COMPRESSION PARTNERS LP COM UNIT LTDPAR	$1.1M	0.84%	41,038	Common	NONE
78462F103	SPY	STATE STREET SPDR S&P 500 ETF	$1.0M	0.79%	1,605	Common	NONE
682680103	OKE	ONEOK INC NEW COM	$1.0M	0.77%	11,310	Common	NONE
25862V105	DV	DOUBLEVERIFY HLDGS INC COM	$977,645	0.74%	102,910	Common	NONE
651718504	NPKI	NPK INTERNATIONAL INC COM SHS	$974,452	0.74%	67,250	Common	NONE
30303M102	META	META PLATFORMS INC CL A	$972,621	0.74%	1,700	Common	NONE
573874104	MRVL	MARVELL TECHNOLOGY INC COM	$963,756	0.73%	9,730	Common	NONE
67066G104	NVDA	NVIDIA CORPORATION COM	$910,891	0.69%	5,223	Common	NONE
237690102	DAIO	DATA I O CORP COM	$902,830	0.68%	356,850	Common	NONE
780259305	SHEL	SHELL PLC SPON ADS	$874,200	0.66%	9,400	Common	NONE
66987V109	NVS	NOVARTIS AG SPONSORED ADR	$846,235	0.64%	5,540	Common	NONE
15135U109	CVE	CENOVUS ENERGY INC COM	$792,716	0.60%	29,880	Common	NONE
04649U102	ASUR	ASURE SOFTWARE INC COM	$770,861	0.58%	89,635	Common	NONE
00326A104	SGOL	ABRDN PHYSICAL GOLD SHARES ETF	$765,456	0.58%	17,155	Common	NONE
733174700	BPOP	POPULAR INC COM NEW	$737,935	0.56%	5,500	Common	NONE
291011104	EMR	EMERSON ELEC CO COM	$694,406	0.53%	5,300	Common	NONE
958669103	WES	WESTERN MIDSTREAM PARTNERS LP COM UNIT LP INT	$654,603	0.50%	15,900	Common	NONE
75281A109	RRC	RANGE RES CORP COM	$643,363	0.49%	14,240	Common	NONE
75886F107	REGN	REGENERON PHARMACEUTICALS COM	$606,522	0.46%	785	Common	NONE
46090E103	QQQ	INVESCO QQQ TRUST SERIES I	$533,891	0.40%	925	Common	NONE
533535100	LINC	LINCOLN EDL SVCS CORP COM	$518,263	0.39%	12,740	Common	NONE
318672706	FBP	FIRST BANCORP CORPORATION COM NEW	$501,960	0.38%	23,500	Common	NONE
746909100	PIM	PUTNAM MASTER INTER INCOME TR SH BEN INT	$480,896	0.36%	147,063	Common	NONE
698884103	PAR	PAR TECHNOLOGY CORP COM	$476,880	0.36%	35,775	Common	NONE
739276103	POWI	POWER INTEGRATIONS INC COM	$471,040	0.36%	9,200	Common	NONE
501242101	KLIC	KULICKE & SOFFA INDS INC COM	$466,612	0.35%	7,100	Common	NONE
09062W204	BLFS	BIOLIFE SOLUTIONS INC COM NEW	$441,797	0.33%	23,155	Common	NONE
25820R105	DMLP	DORCHESTER MINERALS L P COM UNIT	$439,697	0.33%	16,225	Common	NONE
293792107	EPD	ENTERPRISE PRODS PARTNERS L P COM	$432,397	0.33%	11,427	Common	NONE
31620R303	FNF	FIDELITY NATL FINL INC COM SHS	$425,211	0.32%	9,168	Common	NONE
037833100	AAPL	APPLE INC COM	$388,044	0.29%	1,529	Common	NONE
110122108	BMY	BRISTOL-MYERS SQUIBB CO COM	$379,062	0.29%	6,250	Common	NONE
68247W109	OSS	ONE STOP SYS INC COM	$353,821	0.27%	46,740	Common	NONE
70451A104	PAYS	PAYSIGN INC COM	$329,131	0.25%	55,785	Common	NONE
46137V357	RSP	INVESCO S&P 500 EQUAL WEIGHT ETF	$320,506	0.24%	1,670	Common	NONE
459200101	IBM	INTERNATIONAL BUSINESS MACHS COM	$310,986	0.24%	1,283	Common	NONE
166764100	CVX	CHEVRON CORPORATION COM	$284,901	0.22%	1,377	Common	NONE
20825C104	COP	CONOCOPHILLIPS COM	$267,300	0.20%	2,025	Common	NONE
500600101	KOPN	KOPIN CORP COM	$257,793	0.20%	114,575	Common	NONE
05637B105	BLZE	BACKBLAZE INC COM CL A	$248,917	0.19%	72,150	Common	NONE
78464A854	SPYM	STATE STREET SPDR PORTFOLIO S&P 500 ETF	$243,397	0.18%	3,180	Common	NONE
756158101	UTG	REAVES UTIL INCOME FD COM SH BEN INT	$240,590	0.18%	6,125	Common	NONE
46641Q332	JEPI	JPMORGAN EQUITY PREMIUM INCOME ETF	$239,473	0.18%	4,225	Common	NONE
03676B102	AM	ANTERO MIDSTREAM CORP COM	$225,720	0.17%	9,900	Common	NONE
88162F105	TTI	TETRA TECHNOLOGIES INC DEL COM	$225,013	0.17%	26,410	Common	NONE
427096508	HTGC	HERCULES CAPITAL INC COM	$222,450	0.17%	15,060	Common	NONE
30231G102	XOM	EXXON MOBIL CORP COM	$217,164	0.16%	1,280	Common	NONE
654106103	NKE	NIKE INC CL B	$209,167	0.16%	3,960	Common	NONE
58933Y105	MRK	MERCK & CO INC COM	$204,493	0.15%	1,700	Common	NONE
46131J103	VKQ	INVESCO MUNICIPAL TRUST COM	$190,400	0.14%	20,000	Common	NONE
38173M102	GBDC	GOLUB CAP BDC INC COM	$185,848	0.14%	14,680	Common	NONE
670928100	NUV	NUVEEN MUN VALUE FD INC COM	$179,800	0.14%	20,000	Common	NONE
462260100	IOVA	IOVANCE BIOTHERAPEUTICS INC COM	$148,981	0.11%	42,445	Common	NONE
26817Q886	DX	DYNEX CAP INC COM	$128,238	0.10%	10,050	Common	NONE
03843E104	AQST	AQUESTIVE THERAPEUTICS INC COM	$106,094	0.08%	25,565	Common	NONE
68236H204	ONDS	ONDAS INC COM NEW	$90,445	0.07%	10,005	Common	NONE
74319B502	PROF	PROFOUND MED CORP COM NEW	$79,704	0.06%	12,300	Common	NONE
30068X103	XGN	EXAGEN INC COM	$39,990	0.03%	13,330	Common	NONE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.