Penbrook Management LLC Top Holdings and 13F Report (2026)

About Penbrook Management LLC

Investment Activity

Penbrook Management LLC has $156.78 million in total holdings as of June 30, 2026.
Penbrook Management LLC owns shares of 101 different stocks, but just 40 companies or ETFs make up 80% of its holdings.
Approximately 8.84% of the portfolio was purchased this quarter.
About 9.33% of the portfolio was sold this quarter.
This quarter, Penbrook Management LLC has purchased 93 new stocks and bought additional shares in 17 stocks.
Penbrook Management LLC sold shares of 22 stocks and completely divested from 5 stocks this quarter.

Largest Holdings

Novo Nordisk A/S: $15,158,628
Amazon.com: $12,336,478
Alphabet: $8,280,262
Microsoft: $8,176,598
Alphabet: $7,969,004

Largest New Holdings this Quarter

811927102 - SEABRIDGE GOLD INC: $2,854,952 Holding
M0854Q105 - Allot: $2,436,360 Holding
884903881 - THOMSON REUTERS CORP: $1,990,822 Holding
07317Q105 - Baytex Energy: $1,597,400 Holding
464287432 - iShares 20+ Year Treasury Bond ETF: $476,174 Holding

Largest Purchases this Quarter

SEABRIDGE GOLD INC: 110,915 shares (about $2.85M)
Allot: 275,295 shares (about $2.44M)
THOMSON REUTERS CORP: 24,381 shares (about $1.99M)
Baytex Energy: 399,350 shares (about $1.60M)
iShares 20+ Year Treasury Bond ETF: 5,510 shares (about $476.17K)

Largest Sales this Quarter

Aehr Test Systems: 74,315 shares (about $7.14M)
Planet Labs PBC: 24,053 shares (about $796.88K)
Backblaze: 18,450 shares (about $292.62K)
Photronics: 7,675 shares (about $249.67K)
Axcelis Technologies: 1,200 shares (about $227.34K)

Sector Allocation Over Time

Selling

Neutral

Buying

Latest 13F Holdings and Changes Since Previous Quarterly Filing

Issuer Name	Holdings Value	Approximate Purchase/Sale	Change in Shares	Shares Held	% of Portfolio	Sector
NVO Novo Nordisk A/S	$15,158,628		0.0%	316,200	9.7%	Healthcare
AMZN Amazon.com	$12,336,478		0.0%	51,760	7.9%	Consumer Discretionary
GOOGL Alphabet	$8,280,262		0.0%	23,170	5.3%	Communication Services
MSFT Microsoft	$8,176,598	$121,231 â–¼	-1.5%	21,920	5.2%	Technology
GOOG Alphabet	$7,969,004		0.0%	22,554	5.1%	Communication Services
MCO Moody's	$6,159,712		0.0%	13,600	3.9%	Finance
ELECTROVAYA INC	$3,428,818	$324,509 â–²	10.5%	326,231	2.2%	Stock
CYRX CryoPort	$3,181,997	$265,330 â–²	9.1%	202,675	2.0%	Healthcare
VMD Viemed Healthcare	$3,159,829	$54,492 â–²	1.8%	277,178	2.0%	Healthcare
MRVL Marvell Technology	$2,898,469		0.0%	9,730	1.8%	Technology
PLAB Photronics	$2,896,959	$249,668 â–¼	-7.9%	89,055	1.8%	Technology
SEABRIDGE GOLD INC	$2,854,952	$2,854,952 â–²	New Holding	110,915	1.8%	Stock
EXTR Extreme Networks	$2,719,889	$16,185 â–²	0.6%	84,025	1.7%	Technology
PL Planet Labs PBC	$2,710,597	$796,876 â–¼	-22.7%	81,817	1.7%	Industrials
PRTA Prothena	$2,660,138		0.0%	271,720	1.7%	Healthcare
ALKT Alkami Technology	$2,547,400	$233,748 â–²	10.1%	140,585	1.6%	Technology
ALLT Allot	$2,436,360	$2,436,360 â–²	New Holding	275,295	1.6%	Technology
CSCO Cisco Systems	$2,155,391		0.0%	18,350	1.4%	Technology
BX Blackstone	$2,135,710		0.0%	18,150	1.4%	Finance
MGNI Magnite	$2,126,519	$2,847 â–¼	-0.1%	112,040	1.4%	Communication Services
ACLS Axcelis Technologies	$2,064,057	$227,340 â–¼	-9.9%	10,895	1.3%	Technology
CURI CuriosityStream	$2,034,368	$238,469 â–²	13.3%	764,800	1.3%	Communication Services
THOMSON REUTERS CORP	$1,990,822	$1,990,822 â–²	New Holding	24,381	1.3%	Stock
NNY Nuveen New York Municipal Valu	$1,867,973		0.0%	213,727	1.2%	Finance
VET Vermilion Energy	$1,850,514		0.0%	197,825	1.2%	Energy
TRGP Targa Resources	$1,848,020		0.0%	6,892	1.2%	Energy
BRK.B Berkshire Hathaway	$1,646,283	$5,004 â–¼	-0.3%	3,290	1.1%	Finance
BTE Baytex Energy	$1,597,400	$1,597,400 â–²	New Holding	399,350	1.0%	Energy
ET Energy Transfer	$1,424,229		0.0%	74,489	0.9%	Energy
WMB Williams Companies	$1,422,124		0.0%	19,130	0.9%	Energy
ADP Automatic Data Processing	$1,410,885		0.0%	6,300	0.9%	Industrials
DAIO Data I/O	$1,402,049	$3,940 â–¼	-0.3%	355,850	0.9%	Technology
SONY Sony	$1,374,110		0.0%	68,500	0.9%	Consumer Discretionary
ABBV AbbVie	$1,296,449	$4,530 â–¼	-0.3%	5,152	0.8%	Healthcare
VZ Verizon Communications	$1,288,152	$22,228 â–²	1.8%	30,424	0.8%	Communication Services
ABNB Airbnb	$1,280,745		0.0%	8,950	0.8%	Consumer Discretionary
SPY SPDR S&P 500 ETF Trust	$1,198,565		0.0%	1,605	0.8%	ETF
MESOBLAST LTD SPONS ADR	$1,178,124		0.0%	87,075	0.8%	ADR
HESM Hess Midstream Partners	$1,130,068		0.0%	30,055	0.7%	Energy
BLFS BioLife Solutions	$1,121,269	$467,372 â–²	71.5%	39,705	0.7%	Healthcare
DV DoubleVerify	$1,112,834	$2,710 â–¼	-0.2%	102,660	0.7%	Technology
USAC USA Compression Partners	$1,082,992		0.0%	41,038	0.7%	Energy
NPK INTERNATIONAL INC COM SHS	$1,079,095	$9,148 â–²	0.9%	67,825	0.7%	Stock
NVDA NVIDIA	$1,065,079	$20,009 â–²	1.9%	5,323	0.7%	Technology
OKE ONEOK	$983,291		0.0%	11,310	0.6%	Energy
META Meta Platforms	$957,593		0.0%	1,700	0.6%	Communication Services
KLIC Kulicke and Soffa Industries	$949,696		0.0%	7,100	0.6%	Technology
PAR PAR Technology	$936,499	$313,299 â–²	50.3%	53,760	0.6%	Technology
BPOP Popular	$870,154	$32,836 â–¼	-3.6%	5,300	0.6%	Finance
NVS Novartis	$868,228		0.0%	5,540	0.6%	Healthcare
BLZE Backblaze	$851,682	$292,617 â–¼	-25.6%	53,700	0.5%	Technology
POWI Power Integrations	$770,592		0.0%	9,200	0.5%	Technology
EMR Emerson Electric	$758,695		0.0%	5,300	0.5%	Industrials
CVE Cenovus Energy	$741,322		0.0%	29,880	0.5%	Energy
SHEL Shell	$728,876		0.0%	9,400	0.5%	Energy
OSS One Stop Systems	$706,747	$142,986 â–¼	-16.8%	38,875	0.5%	Technology
ASUR Asure Software	$699,791	$11,910 â–¼	-1.7%	88,135	0.4%	Industrials
WES Western Midstream Partners	$695,784		0.0%	15,900	0.4%	Energy
QQQ Invesco QQQ	$681,170		0.0%	925	0.4%	ETF
SGOL abrdn Physical Gold Shares ETF	$652,968	$2,867 â–¼	-0.4%	17,080	0.4%	ETF
LINC Lincoln Educational Services	$634,478	$1,247 â–¼	-0.2%	12,715	0.4%	Consumer Discretionary
FBP First BanCorp.	$589,182	$23,463 â–¼	-3.8%	22,600	0.4%	Finance
RRC Range Resources	$529,585		0.0%	14,240	0.3%	Energy
AEHR Aehr Test Systems	$499,512	$7,138,699 â–¼	-93.5%	5,200	0.3%	Technology
REGN Regeneron Pharmaceuticals	$489,478		0.0%	785	0.3%	Healthcare
TLT iShares 20+ Year Treasury Bond ETF	$476,174	$476,174 â–²	New Holding	5,510	0.3%	ETF
PIM Putnam Mast Int	$475,013		0.0%	147,063	0.3%	Finance
PAYS Paysign	$469,368	$12,490 â–²	2.7%	57,310	0.3%	Finance
HTGC Hercules Capital	$463,447	$225,944 â–²	95.1%	29,387	0.3%	Finance
AAPL Apple	$442,431		0.0%	1,529	0.3%	Technology
EPD Enterprise Products Partners	$420,056		0.0%	11,427	0.3%	Energy
DMLP Dorchester Minerals	$409,681		0.0%	16,225	0.3%	Energy
FNF Fidelity National Financial	$408,782	$23,580 â–¼	-5.5%	8,668	0.3%	Finance
KOPN Kopin	$395,472	$117,824 â–¼	-23.0%	88,275	0.3%	Technology
BMY Bristol Myers Squibb	$381,156	$21,031 â–²	5.8%	6,615	0.2%	Healthcare
AMPL Amplitude	$372,593	$372,593 â–²	New Holding	48,705	0.2%	Technology
RITM Rithm Capital	$368,088	$368,088 â–²	New Holding	39,200	0.2%	Finance
IBM International Business Machines	$360,792		0.0%	1,283	0.2%	Technology
RSP Invesco S&P 500 Equal Weight ETF	$355,325		0.0%	1,670	0.2%	ETF
TTI Tetra Technologies	$297,525	$1,699 â–¼	-0.6%	26,260	0.2%	Energy
TER Teradyne	$290,304	$290,304 â–²	New Holding	600	0.2%	Technology
SPLG SPDR Portfolio S&P 500 ETF	$270,231	$9,227 â–¼	-3.3%	3,075	0.2%	ETF
IOVA Iovance Biotherapeutics	$257,691	$81,120 â–²	45.9%	61,945	0.2%	Healthcare
REAVES UTIL INCOME FD COM SH BEN INT	$249,410		0.0%	6,125	0.2%	CEF
WLY John Wiley & Sons	$242,550	$242,550 â–²	New Holding	5,000	0.2%	Communication Services
JEPI JPMorgan Equity Premium Income ETF	$238,628		0.0%	4,225	0.2%	ETF
GBDC Golub Capital BDC	$232,612	$43,534 â–²	23.0%	18,060	0.1%	Finance
CVX Chevron	$228,251		0.0%	1,377	0.1%	Energy
AM Antero Midstream	$225,225		0.0%	9,900	0.1%	Energy
MRK Merck & Co., Inc.	$218,450		0.0%	1,700	0.1%	Healthcare
JPM JPMorgan Chase & Co.	$216,037	$216,037 â–²	New Holding	660	0.1%	Finance
COP ConocoPhillips	$210,519		0.0%	2,025	0.1%	Energy
FAF First American Financial	$205,770	$205,770 â–²	New Holding	3,000	0.1%	Finance
VKQ Inv Vk Mun Tr	$200,800		0.0%	20,000	0.1%	Finance
SKY HARBOUR GROUP CORPORATION COM CL A	$192,175	$192,175 â–²	New Holding	19,530	0.1%	Stock
BARNES & NOBLE ED INC	$188,400	$188,400 â–²	New Holding	15,000	0.1%	Stock
NUV Nuveen Municipal Value Fund	$184,400		0.0%	20,000	0.1%	Finance
AQST Aquestive Therapeutics	$180,128	$73,778 â–²	69.4%	43,300	0.1%	Healthcare
DX Dynex Capital	$131,755		0.0%	10,050	0.1%	Finance
ONDS Ondas	$82,441		0.0%	10,005	0.1%	Industrials

Showing largest 100 holdings. View all holdings.

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Penbrook Management LLC Top Holdings and 13F Report (2026)

About Penbrook Management LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

About MarketBeat

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Penbrook Management LLC Top Holdings and 13F Report (2026)

About Penbrook Management LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Map of 500 Largest Holdings ofPenbrook Management LLC

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools