Penbrook Management LLC

Name: Penbrook Management LLC: Form 13F holdings for the quarter ended 2026-06-30
Creator: Listed

An institutional investment manager in NEW YORK, NY. Its Form 13F for the quarter ended Jun 30, 2026, filed Jul 23, 2026. SEC CIK 1381055.

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Reported value$156.8m
Positions101

Holdings: 101 positions

The filing on sec.gov

As filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.

Penbrook Management LLC, holdings
Issuer	Class	CUSIP	Reported value$m	Weight	Shares	Change on the quarter before
Novo-Nordisk a S AdrNVO	ADR	670100205	15.2	9.7%	316,200	Unchanged
Amazon Com IncAMZN	Stock	023135106	12.3	7.9%	51,760	Unchanged
Alphabet Inc Cap STK CL aGOOGL	Stock	02079K305	8.3	5.3%	23,170	Unchanged
Microsoft CorpMSFT	Stock	594918104	8.2	5.2%	21,920	Reduced−325
Alphabet Inc Cap STK CL CGOOGL	Stock	02079K107	8.0	5.1%	22,554	Unchanged
Moodys CorpMCO	Stock	615369105	6.2	3.9%	13,600	Unchanged
Electrovaya IncELVA	Stock	28617B606	3.4	2.2%	326,231	Added+30,875
Cryoport Inc Com Par $0.001CYRX	Stock	229050307	3.2	2.0%	202,675	Added+16,900
Viemed Healthcare IncVMD	Stock	92663R105	3.2	2.0%	277,178	Added+4,780
Marvell Technology IncMRVL	Stock	573874104	2.9	1.8%	9,730	Unchanged
Photronics IncPLAB	Stock	719405102	2.9	1.8%	89,055	Reduced−7,675
Seabridge Gold IncSA	Stock	811927102	2.9	1.8%	110,915	New+110,915
Extreme Networks IncEXTR	Stock	30226D106	2.7	1.7%	84,025	Added+500
Planet Labs PBC Com CL aPL	Stock	72703X106	2.7	1.7%	81,817	Reduced−24,053
Prothena Corp plc SHS	Stock	G72800108	2.7	1.7%	271,720	Unchanged
Alkami Technology IncALKT	Stock	01644J108	2.5	1.6%	140,585	Added+12,900
Allot Ltd SHS	Stock	M0854Q105	2.4	1.6%	275,295	New+275,295
Cisco Sys IncCSCO	Stock	17275R102	2.2	1.4%	18,350	Unchanged
Blackstone IncBX	Stock	09260D107	2.1	1.4%	18,150	Unchanged
Magnite IncMGNI	Stock	55955D100	2.1	1.4%	112,040	Reduced−150
Axcelis Technologies IncACLS	Stock	054540208	2.1	1.3%	10,895	Reduced−1,200
Curiositystream Inc Com CL aCURI	Stock	23130Q107	2.0	1.3%	764,800	Added+89,650
Thomson Reuters CorpTRI	Stock	884903881	2.0	1.3%	24,381	New+24,381
Nuveen N Y Mun Value FDNNY	CEF	67062M105	1.9	1.2%	213,727	Unchanged
Vermilion Energy IncVET	Stock	923725105	1.9	1.2%	197,825	Unchanged
Targa Res CorpTRGP	Stock	87612G101	1.8	1.2%	6,892	Unchanged
Berkshire Hathaway Inc Del CL B NewBRK-B	Stock	084670702	1.6	1.1%	3,290	Reduced−10
Baytex Energy CorpBTE	Stock	07317Q105	1.6	1.0%	399,350	New+399,350
Energy Transfer L P Com Ut Ltd PTNET	Stock	29273V100	1.4	0.9%	74,489	Unchanged
Williams Cos IncWMB	Stock	969457100	1.4	0.9%	19,130	Unchanged
Automatic Data Processing IncADP	Stock	053015103	1.4	0.9%	6,300	Unchanged
Data I O CorpDAIO	Stock	237690102	1.4	0.9%	355,850	Reduced−1,000
Sony Group Corp Sponsored AdrSONY	ADR	835699307	1.4	0.9%	68,500	Unchanged
Abbvie IncABBV	Stock	00287Y109	1.3	0.8%	5,152	Reduced−18
Verizon Communications IncVZ	Stock	92343V104	1.3	0.8%	30,424	Added+525
Airbnb Inc Com CL aABNB	Stock	009066101	1.3	0.8%	8,950	Unchanged
State Street SPDR S&P 500 ETFSPY	ETF	78462F103	1.2	0.8%	1,605	Unchanged
Mesoblast Ltd Spons AdrMESO	ADR	590717401	1.2	0.8%	87,075	Unchanged
Hess Midstream LP CL a SHSHESM	Stock	428103105	1.1	0.7%	30,055	Unchanged
Biolife Solutions Inc	Stock	09062W204	1.1	0.7%	39,705	Added+16,550
Doubleverify Holdings IncDV	Stock	25862V105	1.1	0.7%	102,660	Reduced−250
USA Compression Partners LP Com Unit LtdparUSAC	Stock	90290N109	1.1	0.7%	41,038	Unchanged
NPK International Inc Com SHSNPKI	Stock	651718504	1.1	0.7%	67,825	Added+575
Nvidia CorporationNVDA	Stock	67066G104	1.1	0.7%	5,323	Added+100
Oneok Inc	Stock	682680103	1.0	0.6%	11,310	Unchanged
Meta Platforms Inc CL aMETA	Stock	30303M102	1.0	0.6%	1,700	Unchanged
Kulicke & Soffa Inds IncKLIC	Stock	501242101	0.9	0.6%	7,100	Unchanged
PAR Technology CorpPAR	Stock	698884103	0.9	0.6%	53,760	Added+17,985
Popular Inc Com NewBPOP	Stock	733174700	0.9	0.6%	5,300	Reduced−200
Novartis AG Sponsored AdrNVS	ADR	66987V109	0.9	0.6%	5,540	Unchanged
Backblaze Inc Com CL aBLZE	Stock	05637B105	0.9	0.5%	53,700	Reduced−18,450
Power Integrations IncPOWI	Stock	739276103	0.8	0.5%	9,200	Unchanged
Emerson Elec CoEMR	Stock	291011104	0.8	0.5%	5,300	Unchanged
Cenovus Energy IncCVE	Stock	15135U109	0.7	0.5%	29,880	Unchanged
Shell plc Spon AdsSHEL	ADR	780259305	0.7	0.5%	9,400	Unchanged
One Stop Sys IncOSS	Stock	68247W109	0.7	0.5%	38,875	Reduced−7,865
Asure Software IncASUR	Stock	04649U102	0.7	0.4%	88,135	Reduced−1,500
Western Midstream Partners LP Com Unit LP IntWES	Stock	958669103	0.7	0.4%	15,900	Unchanged
Invesco QQQ Trust Series I	ETF	46090E103	0.7	0.4%	925	Unchanged
Abrdn Physical Gold Shares ETFSGOL	ETF	00326A104	0.7	0.4%	17,080	Reduced−75
Lincoln Edl SVCS CorpLINC	Stock	533535100	0.6	0.4%	12,715	Reduced−25
First Bancorp CorporationFBP	Stock	318672706	0.6	0.4%	22,600	Reduced−900
Range Res CorpRRC	Stock	75281A109	0.5	0.3%	14,240	Unchanged
Aehr Test SysAEHR	Stock	00760J108	0.5	0.3%	5,200	Reduced−74,315
Regeneron PharmaceuticalsREGN	Stock	75886F107	0.5	0.3%	785	Unchanged
Ishares 20 Year Treasury Bond ETF	ETF	464287432	0.5	0.3%	5,510	New+5,510
Franklin Master Inter Income SH Ben IntPIM	CEF	746909100	0.5	0.3%	147,063	Unchanged
Paysign IncPAYS	Stock	70451A104	0.5	0.3%	57,310	Added+1,525
Hercules Capital IncHTGC	CEF	427096508	0.5	0.3%	29,387	Added+14,327
Apple IncAAPL	Stock	037833100	0.4	0.3%	1,529	Unchanged
Enterprise Prods Partners L PEPD	Stock	293792107	0.4	0.3%	11,427	Unchanged
Dorchester Minerals L P Com UnitDMLP	Stock	25820R105	0.4	0.3%	16,225	Unchanged
Fidelity Natl Finl IncFNF	Stock	31620R303	0.4	0.3%	8,668	Reduced−500
Kopin CorpKOPN	Stock	500600101	0.4	0.3%	88,275	Reduced−26,300
Bristol-Myers Squibb CoBMY	Stock	110122108	0.4	0.2%	6,615	Added+365
Amplitude Inc Com CL aAMPL	Stock	03213A104	0.4	0.2%	48,705	New+48,705
Rithm Capital CorpRITM	REIT	64828T201	0.4	0.2%	39,200	New+39,200
International Business MachsIBM	Stock	459200101	0.4	0.2%	1,283	Unchanged
Invesco S&P 500 Equal Weight ETF	ETF	46137V357	0.4	0.2%	1,670	Unchanged
Tetra Technologies Inc DelTTI	Stock	88162F105	0.3	0.2%	26,260	Reduced−150
Teradyne IncTER	Stock	880770102	0.3	0.2%	600	New+600
State Street SPDR Portfolio S&P 500 ETF	ETF	78464A854	0.3	0.2%	3,075	Reduced−105
Iovance Biotherapeutics IncIOVA	Stock	462260100	0.3	0.2%	61,945	Added+19,500
Reaves Util Income FD Com SH Ben IntUTG	CEF	756158101	0.2	0.2%	6,125	Unchanged
Wiley John & Sons Inc CL aWLY	Stock	968223206	0.2	0.2%	5,000	New+5,000
Jpmorgan Equity Premium Income ETF	ETF	46641Q332	0.2	0.2%	4,225	Unchanged
Golub Cap BDC IncGBDC	CEF	38173M102	0.2	0.1%	18,060	Added+3,380
Chevron CorporationCVX	Stock	166764100	0.2	0.1%	1,377	Unchanged
Antero Midstream CorpAM	Stock	03676B102	0.2	0.1%	9,900	Unchanged
Merck & Co IncMRK	Stock	58933Y105	0.2	0.1%	1,700	Unchanged
Jpmorgan Chase & CoJPM	Stock	46625H100	0.2	0.1%	660	New+660
ConocophillipsCOP	Stock	20825C104	0.2	0.1%	2,025	Unchanged
First Amern Finl CorpFAF	Stock	31847R102	0.2	0.1%	3,000	New+3,000
Invesco Municipal TrustVKQ	CEF	46131J103	0.2	0.1%	20,000	Unchanged
Sky Harbour Group Corporation Com CL aSKYH	Stock	83085C107	0.2	0.1%	19,530	New+19,530
Barnes & Noble Ed IncBNED	Stock	06777U200	0.2	0.1%	15,000	New+15,000
Nuveen Mun Value FD IncNUV	CEF	670928100	0.2	0.1%	20,000	Unchanged
Aquestive Therapeutics IncAQST	Stock	03843E104	0.2	0.1%	43,300	Added+17,735
Dynex Cap IncDX	REIT	26817Q886	0.1	<0.1%	10,050	Unchanged
Ondas Inc Com NewONDS	Stock	68236H204	0.1	<0.1%	10,005	Unchanged
Profound Med CorpPROF	Stock	74319B502	0.1	<0.1%	12,075	Reduced−225

Sold out: 5 positions

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

Penbrook Management LLC, positions sold out
Issuer	Class	CUSIP	Weight	Change on the quarter before
Exagen Inc ComXGN	Stock	30068X103	0.0%	Sold out−13,330
Exxon Mobil Corp Com	Stock	30231G102	0.0%	Sold out−1,280
Nike Inc CL BNKE	Stock	654106103	0.0%	Sold out−3,960
Seabridge Gold Inc Com	Stock	811916105	0.0%	Sold out−95,990
Thomson Reuters Corp Com	Stock	884903808	0.0%	Sold out−24,774

Source: SEC EDGAR, Form 13F-HR, accession 0001381055-26-000003 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.