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Penbrook Managment

Latest statistics and disclosures from Penbrook Management's latest quarterly 13F-HR filing:

Top 5 stock holdings are NVO, AMZN, MSFT, GOOGL, GOOG, and represent 33.14% of Penbrook Management's stock portfolio.
Added to shares of these 10 stocks: PRTA, EXTR, CYRX, CURI, MGNI, BX, COP, AM, XOM, PAR.
Started 8 new stock positions in AM, DX, PROF, MRK, COP, PRTA, EXTR, XOM.
Reduced shares in these 10 stocks: PL (-$5.3M), AEHR, SYF, COHU, BPOP, PLAB, QQQ, FNF, FBP, ELVA.
Sold out of its positions in AFL, BTQ, BBSI, COHU, FIS, FAF, GPN, JPM, MIN, SYF. TFPM, WBS.
Penbrook Management was a net seller of stock by $-6.9M.
Penbrook Management has $132M in assets under management (AUM), dropping by -8.91%.
Central Index Key (CIK): 0001381055

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Portfolio Holdings for Penbrook Management

Penbrook Management holds 93 positions in its portfolio as reported in the March 2026 quarterly 13F filing

Company (Ticker)	Portfolio Weight	Valued At	Change in Shares	Share Count	Share Price
Novo-nordisk A S Adr (NVO)	8.8	$12M		316k	36.75	View chart
Amazon Stock (AMZN)	8.2	$11M		52k	208.27	View chart
Microsoft Corp Stock (MSFT)	6.2	$8.2M	-2%	22k	370.17	View chart
Alphabet Inc Cap Stk Cl A Stock (GOOGL)	5.0	$6.7M		23k	287.56	View chart
Alphabet Inc Cap Stk Cl C Stock (GOOG)	4.9	$6.5M		23k	286.86	View chart
Moodys Corp Stock (MCO)	4.5	$5.9M		14k	436.25	View chart
Photronics Stock (PLAB)	3.0	$3.9M	-12%	97k	40.41	View chart
Planet Labs Pbc Com Cl A Stock (PL)	2.2	$3.0M	-64%	106k	27.95	View chart
Aehr Test Sys Stock (AEHR)	2.2	$2.9M	-30%	80k	37.08	View chart
Seabridge Gold Stock (SA)	2.1	$2.7M		96k	28.34	View chart
Vermilion Energy Stock (VET)	2.1	$2.7M		198k	13.74	View chart
Prothena Corp Stock (PRTA)	2.0	$2.6M	NEW	272k	9.72	View chart
Viemed Healthcare Stock (VMD)	1.9	$2.5M		272k	9.21	View chart
Electrovaya Stock (ELVA)	1.7	$2.3M	-15%	295k	7.78	View chart
Thomson Reuters Corp Stock (TRI)	1.7	$2.2M		25k	89.98	View chart
Blackstone Stock (BX)	1.6	$2.1M	+22%	18k	114.99	View chart
Alkami Technology Stock (ALKT)	1.5	$2.0M		128k	15.67	View chart
Curiositystream Inc Com Cl A Stock (CURI)	1.5	$2.0M	+94%	675k	2.96	View chart
Nuveen N Y Mun Value Cef (NNY)	1.4	$1.8M		214k	8.35	View chart
Targa Res Corp Stock (TRGP)	1.3	$1.7M		6.9k	250.73	View chart
Berkshire Hathaway Inc Del Cl B Stock (BRK.B)	1.2	$1.6M		3.3k	479.20	View chart
Cryoport Inc Com Par $0.001 Stock (CYRX)	1.2	$1.5M	+251%	186k	8.28	View chart
Verizon Communications Stock (VZ)	1.1	$1.5M	-3%	30k	50.20	View chart
Energy Transfer L P Com Ut Ltd Ptn Stock (ET)	1.1	$1.4M		75k	19.30	View chart
Cisco Sys Stock (CSCO)	1.1	$1.4M		18k	77.59	View chart
Sony Group Corp Adr (SONY)	1.1	$1.4M		69k	20.70	View chart
Williams Cos Stock (WMB)	1.1	$1.4M		19k	72.78	View chart
Mesoblast Ltd Spons Adr (MESO)	1.0	$1.3M		87k	15.38	View chart
Magnite Stock (MGNI)	1.0	$1.3M	+260%	112k	11.88	View chart
Automatic Data Processing Stock (ADP)	1.0	$1.3M		6.3k	203.18	View chart
Extreme Networks Stock (EXTR)	1.0	$1.3M	NEW	84k	15.08	View chart
Hess Midstream Lp Cl A Stock (HESM)	0.9	$1.2M		30k	38.87	View chart
Airbnb Inc Com Cl A Stock (ABNB)	0.9	$1.1M		9.0k	126.28	View chart
Axcelis Technologies Stock (ACLS)	0.9	$1.1M	-23%	12k	93.08	View chart
Abbvie Stock (ABBV)	0.9	$1.1M		5.2k	217.49	View chart
Usa Compression Partners Lp Com Unit Ltdpar Stock (USAC)	0.8	$1.1M		41k	27.12	View chart
State Street Spdr S&p 500 Etf Etf (SPY)	0.8	$1.0M	-6%	1.6k	650.34	View chart
Oneok Stock (OKE)	0.8	$1.0M		11k	90.39	View chart
Doubleverify Hldgs Stock (DV)	0.7	$978k		103k	9.50	View chart
Npk International Stock (NPKI)	0.7	$975k		67k	14.49	View chart
Meta Platforms Inc Cl A Stock (META)	0.7	$973k		1.7k	572.13	View chart
Marvell Technology Stock (MRVL)	0.7	$964k		9.7k	99.05	View chart
Nvidia Corporation Stock (NVDA)	0.7	$911k		5.2k	174.40	View chart
Data I O Corp Stock (DAIO)	0.7	$903k		357k	2.53	View chart
Shell Plc Spon Ads Adr (SHEL)	0.7	$874k		9.4k	93.00	View chart
Novartis Adr (NVS)	0.6	$846k		5.5k	152.75	View chart
Cenovus Energy Stock (CVE)	0.6	$793k		30k	26.53	View chart
Asure Software Stock (ASUR)	0.6	$771k		90k	8.60	View chart
Abrdn Physical Gold Shares Etf Etf (SGOL)	0.6	$766k		17k	44.62	View chart
Popular Stock (BPOP)	0.6	$738k	-53%	5.5k	134.17	View chart
Emerson Elec Stock (EMR)	0.5	$694k		5.3k	131.02	View chart
Western Midstream Partners Lp Com Unit Lp Int Stock (WES)	0.5	$655k		16k	41.17	View chart
Range Res Corp Stock (RRC)	0.5	$643k		14k	45.18	View chart
Regeneron Pharmaceuticals Stock (REGN)	0.5	$607k		785.00	772.64	View chart
Invesco Qqq Trust Series I Etf (QQQ)	0.4	$534k	-50%	925.00	577.18	View chart
Lincoln Edl Svcs Corp Stock (LINC)	0.4	$518k	-25%	13k	40.68	View chart
First Bancorp Corporation Stock (FBP)	0.4	$502k	-47%	24k	21.36	View chart
Putnam Master Inter Income Tr Sh Ben Int Cef (PIM)	0.4	$481k		147k	3.27	View chart
Par Technology Corp Stock (PAR)	0.4	$477k	+80%	36k	13.33	View chart
Power Integrations Stock (POWI)	0.4	$471k		9.2k	51.20	View chart
Kulicke & Soffa Inds Stock (KLIC)	0.4	$467k		7.1k	65.72	View chart
Biolife Solutions Stock (BLFS)	0.3	$442k		23k	19.08	View chart
Dorchester Minerals L P Com Unit Stock (DMLP)	0.3	$440k		16k	27.10	View chart
Enterprise Prods Partners Stock (EPD)	0.3	$432k		11k	37.84	View chart
Fidelity Natl Finl Stock (FNF)	0.3	$425k	-54%	9.2k	46.38	View chart
Apple Stock (AAPL)	0.3	$388k		1.5k	253.79	View chart
Bristol-myers Squibb Stock (BMY)	0.3	$379k		6.3k	60.65	View chart
One Stop Sys Stock (OSS)	0.3	$354k		47k	7.57	View chart
Paysign Stock (PAYS)	0.2	$329k	+80%	56k	5.90	View chart
Invesco S&p 500 Equal Weight Etf Etf (RSP)	0.2	$321k		1.7k	191.92	View chart
International Business Machs Stock (IBM)	0.2	$311k	-21%	1.3k	242.39	View chart
Chevron Corporation Stock (CVX)	0.2	$285k		1.4k	206.90	View chart
Conocophillips Stock (COP)	0.2	$267k	NEW	2.0k	132.00	View chart
Kopin Corp Stock (KOPN)	0.2	$258k		115k	2.25	View chart
Backblaze Inc Com Cl A Stock (BLZE)	0.2	$249k		72k	3.45	View chart
State Street Spdr Portfolio S&p 500 Etf Etf (SPYM)	0.2	$243k		3.2k	76.54	View chart
Reaves Util Income Fd Com Sh Ben Int Cef (UTG)	0.2	$241k		6.1k	39.28	View chart
Jpmorgan Equity Premium Income Etf Etf (JEPI)	0.2	$240k		4.2k	56.68	View chart
Antero Midstream Corp Stock (AM)	0.2	$226k	NEW	9.9k	22.80	View chart
Tetra Technologies Inc Del Stock (TTI)	0.2	$225k	-39%	26k	8.52	View chart
Hercules Capital Cef (HTGC)	0.2	$222k		15k	14.77	View chart
Exxon Mobil Corp Stock (XOM)	0.2	$217k	NEW	1.3k	169.66	View chart
Nike Inc Cl B Stock (NKE)	0.2	$209k		4.0k	52.82	View chart
Merck & Co Stock (MRK)	0.2	$205k	NEW	1.7k	120.29	View chart
Invesco Municipal Trust Cef (VKQ)	0.1	$190k		20k	9.52	View chart
Golub Cap Bdc Cef (GBDC)	0.1	$186k	-38%	15k	12.66	View chart
Nuveen Mun Value Cef (NUV)	0.1	$180k		20k	8.99	View chart
Iovance Biotherapeutics Stock (IOVA)	0.1	$149k	+25%	42k	3.51	View chart
Dynex Cap Reit (DX)	0.1	$128k	NEW	10k	12.76	View chart
Aquestive Therapeutics Stock (AQST)	0.1	$106k	-39%	26k	4.15	View chart
Ondas Stock (ONDS)	0.1	$90k		10k	9.04	View chart
Profound Med Corp Stock (PROF)	0.1	$80k	NEW	12k	6.48	View chart
Exagen Stock (XGN)	0.0	$40k		13k	3.00	View chart

Past Filings by Penbrook Management

SEC 13F filings are viewable for Penbrook Management going back to 2011

Penbrook Management 2026 Q1 filed April 21, 2026
Penbrook Management 2025 Q4 filed Jan. 6, 2026
Penbrook Management 2025 Q3 filed Oct. 22, 2025
Penbrook Management 2025 Q2 amended filed July 28, 2025
Penbrook Management 2025 Q2 filed July 25, 2025
Penbrook Management 2025 Q1 filed April 1, 2025
Penbrook Management 2024 Q4 filed Jan. 23, 2025
Penbrook Management 2024 Q3 filed Oct. 15, 2024
Penbrook Management 2024 Q2 filed July 24, 2024
Penbrook Management 2024 Q1 filed April 18, 2024
Penbrook Management 2023 Q4 filed Jan. 16, 2024
Penbrook Management 2023 Q3 filed Oct. 10, 2023
Penbrook Management 2023 Q2 filed July 17, 2023
Penbrook Management 2023 Q1 filed April 20, 2023
Penbrook Management 2022 Q4 filed Jan. 24, 2023
Penbrook Management 2022 Q3 filed Oct. 31, 2022

View all past filings

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