# EDGAR Filing Document

**Accession Number:** 0001381055
**File Stem:** 0001381055-23-000001
**Filing Date:** 2023-1
**Character Count:** 13090
**Document Hash:** f82fe42716a66a09011b3c8bde4c604c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001381055-23-000001.hdr.sgml**: 20230124

**ACCESSION NUMBER**: 0001381055-23-000001

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230124

**DATE AS OF CHANGE**: 20230124

**EFFECTIVENESS DATE**: 20230124

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Penbrook Management LLC
- **CENTRAL INDEX KEY:** 0001381055
- **IRS NUMBER:** 133983976
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-12868
- **FILM NUMBER:** 23547144

**BUSINESS ADDRESS:**
- **STREET 1:** 880 THIRD AVENUE
- **STREET 2:** 16TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212-792-6952

**MAIL ADDRESS:**
- **STREET 1:** 880 THIRD AVENUE
- **STREET 2:** 16TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2022

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Penbrook Management LLC<br>**Address:** 880 THIRD AVENUE<br>16TH FLOOR<br>NEW YORK, NY 10022

**Form 13F File Number:** 028-12868

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Barbara DiCostanzo<br>**Title:** Chief Compliance Officer<br>**Phone:** 212-792-6953

**Signature, Place, and Date of Signing:**

Barbara DiCostanzo  New York, NY  01-24-2023<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 95

**Form 13F Information Table Value Total:** $117328544

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ABBVIE INC | Stock | 00287Y109 |  | 926187 | 5731 | SH |  | SOLE |  | 0 | 0 | 5731 |
| AFLAC INC | Stock | 001055102 |  | 294954 | 4100 | SH |  | SOLE |  | 0 | 0 | 4100 |
| AIRBNB INC CL A | Stock | 009066101 |  | 299250 | 3500 | SH |  | SOLE |  | 0 | 0 | 3500 |
| ALPHABET INC CAP STK CL A | Stock | 02079K305 |  | 2091051 | 23700 | SH |  | SOLE |  | 0 | 0 | 23700 |
| ALPHABET INC CAP STK CL C | Stock | 02079K107 |  | 2335374 | 26320 | SH |  | SOLE |  | 0 | 0 | 26320 |
| AMAZON COM  INC | Stock | 023135106 |  | 4248720 | 50580 | SH |  | SOLE |  | 0 | 0 | 50580 |
| ANTERO MIDSTREAM CORP | Stock | 03676B102 |  | 107900 | 10000 | SH |  | SOLE |  | 0 | 0 | 10000 |
| APPLE INC | Stock | 037833100 |  | 775292 | 5967 | SH |  | SOLE |  | 0 | 0 | 5967 |
| ARES CAPITAL CORP | CEF | 04010L103 |  | 194674 | 10540 | SH |  | SOLE |  | 0 | 0 | 10540 |
| ATLAS TECHNICAL CONSULTANTS IN  CLS A | Stock | 049430101 |  | 627888 | 121920 | SH |  | SOLE |  | 0 | 0 | 121920 |
| AUTOMATIC DATA PROCESSING INC | Stock | 053015103 |  | 1513895 | 6338 | SH |  | SOLE |  | 0 | 0 | 6338 |
| AXCELIS TECHNOLOGIES INC NEW | Stock | 054540208 |  | 3783488 | 47675 | SH |  | SOLE |  | 0 | 0 | 47675 |
| AZENTA INC | Stock | 114340102 |  | 1906414 | 32745 | SH |  | SOLE |  | 0 | 0 | 32745 |
| BARNES  NOBLE ED INC | Stock | 06777U101 |  | 424734 | 242705 | SH |  | SOLE |  | 0 | 0 | 242705 |
| BARRETT BUSINESS SVCS INC | Stock | 068463108 |  | 513040 | 5500 | SH |  | SOLE |  | 0 | 0 | 5500 |
| BECTON DICKINSON  CO | Stock | 075887109 |  | 481390 | 1893 | SH |  | SOLE |  | 0 | 0 | 1893 |
| BERKSHIRE HATHAWAY INC DEL CL B NEW | Stock | 084670702 |  | 1231584 | 3987 | SH |  | SOLE |  | 0 | 0 | 3987 |
| BIOLIFE SOLUTIONS INC  NEW | Stock | 09062W204 |  | 738556 | 40580 | SH |  | SOLE |  | 0 | 0 | 40580 |
| BLACKSTONE INC | Stock | 09260D107 |  | 1455830 | 19623 | SH |  | SOLE |  | 0 | 0 | 19623 |
| BUILDERS FIRSTSOURCE INC | Stock | 12008R107 |  | 898523 | 13849 | SH |  | SOLE |  | 0 | 0 | 13849 |
| CENOVUS ENERGY INC | Stock | 15135U109 |  | 559008 | 28800 | SH |  | SOLE |  | 0 | 0 | 28800 |
| CHEGG INC | Stock | 163092109 |  | 740790 | 29315 | SH |  | SOLE |  | 0 | 0 | 29315 |
| CHEVRON CORP NEW | Stock | 166764100 |  | 305133 | 1700 | SH |  | SOLE |  | 0 | 0 | 1700 |
| CISCO SYS INC | Stock | 17275R102 |  | 1043316 | 21900 | SH |  | SOLE |  | 0 | 0 | 21900 |
| COHU INC | Stock | 192576106 |  | 2303914 | 71885 | SH |  | SOLE |  | 0 | 0 | 71885 |
| CONOCOPHILLIPS | Stock | 20825C104 |  | 368160 | 3120 | SH |  | SOLE |  | 0 | 0 | 3120 |
| CRESCENT PT ENERGY CORP | Stock | 22576C101 |  | 3559289 | 499185 | SH |  | SOLE |  | 0 | 0 | 499185 |
| CRESTWOOD EQUITY PARTNERS LP | Stock | 226344208 |  | 914031 | 34900 | SH |  | SOLE |  | 0 | 0 | 34900 |
| CRYOPORT INC  PAR $0.001 | Stock | 229050307 |  | 562400 | 32415 | SH |  | SOLE |  | 0 | 0 | 32415 |
| CVS HEALTH CORP | Stock | 126650100 |  | 1150058 | 12341 | SH |  | SOLE |  | 0 | 0 | 12341 |
| DATA I O CORP | Stock | 237690102 |  | 1388507 | 349750 | SH |  | SOLE |  | 0 | 0 | 349750 |
| DESIGNER BRANDS INC CL A | Stock | 250565108 |  | 197263 | 20170 | SH |  | SOLE |  | 0 | 0 | 20170 |
| DESKTOP METAL INC  CL A | Stock | 25058X105 |  | 30736 | 22600 | SH |  | SOLE |  | 0 | 0 | 22600 |
| DORCHESTER MINERALS LP UNIT | Stock | 25820R105 |  | 419020 | 14000 | SH |  | SOLE |  | 0 | 0 | 14000 |
| EDGIO INC | Stock | 53261M104 |  | 469933 | 415870 | SH |  | SOLE |  | 0 | 0 | 415870 |
| EMERSON ELEC CO | Stock | 291011104 |  | 557148 | 5800 | SH |  | SOLE |  | 0 | 0 | 5800 |
| ENERGY TRANSFER L P  UT LTD PTN | Stock | 29273V100 |  | 262541 | 22118 | SH |  | SOLE |  | 0 | 0 | 22118 |
| EXAGEN INC | Stock | 30068X103 |  | 177624 | 74010 | SH |  | SOLE |  | 0 | 0 | 74010 |
| FIDELITY NATIONAL FINANCIAL IN FNF GROUP | Stock | 31620R303 |  | 1584517 | 42119 | SH |  | SOLE |  | 0 | 0 | 42119 |
| FIRST AMERN FINL CORP | Stock | 31847R102 |  | 541719 | 10350 | SH |  | SOLE |  | 0 | 0 | 10350 |
| FIRST BANCORP P R  NEW | Stock | 318672706 |  | 1022688 | 80400 | SH |  | SOLE |  | 0 | 0 | 80400 |
| FISERV INC | Stock | 337738108 |  | 454815 | 4500 | SH |  | SOLE |  | 0 | 0 | 4500 |
| FORD MTR CO DEL | Stock | 345370860 |  | 316045 | 27175 | SH |  | SOLE |  | 0 | 0 | 27175 |
| GRAFTECH INTL LTD | Stock | 384313508 |  | 527884 | 110900 | SH |  | SOLE |  | 0 | 0 | 110900 |
| HESS MIDSTREAM LP CL A SHS | Stock | 428103105 |  | 970306 | 32430 | SH |  | SOLE |  | 0 | 0 | 32430 |
| IDENTIV INC NEW | Stock | 45170X205 |  | 596409 | 82377 | SH |  | SOLE |  | 0 | 0 | 82377 |
| IMMERSION CORP | Stock | 452521107 |  | 687393 | 97780 | SH |  | SOLE |  | 0 | 0 | 97780 |
| INTELLICHECK INC NEW | Stock | 45817G201 |  | 145200 | 72600 | SH |  | SOLE |  | 0 | 0 | 72600 |
| INTERNATIONAL BUSINESS MACHS | Stock | 459200101 |  | 591738 | 4200 | SH |  | SOLE |  | 0 | 0 | 4200 |
| INTEVAC INC | Stock | 461148108 |  | 1149719 | 177700 | SH |  | SOLE |  | 0 | 0 | 177700 |
| INVESCO MUNICIPAL TRUST | CEF | 46131J103 |  | 198000 | 20000 | SH |  | SOLE |  | 0 | 0 | 20000 |
| INVESCO QQQ TRUST | ETF | 46090E103 |  | 620432 | 2330 | SH |  | SOLE |  | 0 | 0 | 2330 |
| INVESCO S 500 EQUAL WEIGHT ENERGY ETF | ETF | 46137V365 |  | 840660 | 11565 | SH |  | SOLE |  | 0 | 0 | 11565 |
| INVESCO S 500 EQUAL WEIGHT ETF | ETF | 46137V357 |  | 306513 | 2170 | SH |  | SOLE |  | 0 | 0 | 2170 |
| ISHARES BIOTECHNOLOGY ETF | ETF | 464287556 |  | 523847 | 3990 | SH |  | SOLE |  | 0 | 0 | 3990 |
| KOPIN CORP | Stock | 500600101 |  | 393328 | 317200 | SH |  | SOLE |  | 0 | 0 | 317200 |
| KULICKE  SOFFA INDS INC | Stock | 501242101 |  | 1083927 | 24490 | SH |  | SOLE |  | 0 | 0 | 24490 |
| LINCOLN EDL SVCS CORP | Stock | 533535100 |  | 360746 | 62305 | SH |  | SOLE |  | 0 | 0 | 62305 |
| MAVERIX METALS INC NEW | Stock | 57776F405 |  | 209916 | 45000 | SH |  | SOLE |  | 0 | 0 | 45000 |
| MERCK  CO INC | Stock | 58933Y105 |  | 466656 | 4206 | SH |  | SOLE |  | 0 | 0 | 4206 |
| MESOBLAST LTD SPONS ADR | ADR | 590717104 |  | 743942 | 255650 | SH |  | SOLE |  | 0 | 0 | 255650 |
| META PLATFORMS INC CL A | Stock | 30303M102 |  | 228646 | 1900 | SH |  | SOLE |  | 0 | 0 | 1900 |
| MFS INTER INCOME TR SH BEN INT | CEF | 55273C107 |  | 188864 | 68429 | SH |  | SOLE |  | 0 | 0 | 68429 |
| MICROSOFT CORP | Stock | 594918104 |  | 7076609 | 29508 | SH |  | SOLE |  | 0 | 0 | 29508 |
| MOODYS CORP | Stock | 615369105 |  | 3831025 | 13750 | SH |  | SOLE |  | 0 | 0 | 13750 |
| NAVIGATOR HLDGS LTD SHS | Stock | Y62132108 |  | 1203774 | 100650 | SH |  | SOLE |  | 0 | 0 | 100650 |
| NOVARTIS AG SPONSORED ADR | ADR | 66987V109 |  | 495331 | 5460 | SH |  | SOLE |  | 0 | 0 | 5460 |
| NOVO-NORDISK A S ADR | ADR | 670100205 |  | 21667934 | 160100 | SH |  | SOLE |  | 0 | 0 | 160100 |
| NUVEEN MUN VALUE FD INC | CEF | 670928100 |  | 172000 | 20000 | SH |  | SOLE |  | 0 | 0 | 20000 |
| NUVEEN N Y MUN VALUE FD | CEF | 67062M105 |  | 1765385 | 213727 | SH |  | SOLE |  | 0 | 0 | 213727 |
| NUVEEN PFD  INCOME SECS FD | CEF | 67072C105 |  | 190400 | 28000 | SH |  | SOLE |  | 0 | 0 | 28000 |
| NUVVE HOLDING CORP | Stock | 67079Y100 |  | 91009 | 135835 | SH |  | SOLE |  | 0 | 0 | 135835 |
| ONCOCYTE CORP | Stock | 68235C107 |  | 66643 | 207675 | SH |  | SOLE |  | 0 | 0 | 207675 |
| ONEOK INC NEW | Stock | 682680103 |  | 974660 | 14835 | SH |  | SOLE |  | 0 | 0 | 14835 |
| ORION ENERGY SYS INC | Stock | 686275108 |  | 794334 | 436447 | SH |  | SOLE |  | 0 | 0 | 436447 |
| PHOTRONICS INC | Stock | 719405102 |  | 2102067 | 124900 | SH |  | SOLE |  | 0 | 0 | 124900 |
| POPULAR INC  NEW | Stock | 733174700 |  | 1414274 | 21325 | SH |  | SOLE |  | 0 | 0 | 21325 |
| POWER INTEGRATIONS INC | Stock | 739276103 |  | 717200 | 10000 | SH |  | SOLE |  | 0 | 0 | 10000 |
| PUBMATIC INC  CL A | Stock | 74467Q103 |  | 621413 | 48510 | SH |  | SOLE |  | 0 | 0 | 48510 |
| PUTNAM MASTER INTER INCOME TR SH BEN INT | CEF | 746909100 |  | 534282 | 166963 | SH |  | SOLE |  | 0 | 0 | 166963 |
| RANGE RES CORP | Stock | 75281A109 |  | 492894 | 19700 | SH |  | SOLE |  | 0 | 0 | 19700 |
| REGENERON PHARMACEUTICALS | Stock | 75886F107 |  | 773437 | 1072 | SH |  | SOLE |  | 0 | 0 | 1072 |
| SEABRIDGE GOLD INC | Stock | 811916105 |  | 1125029 | 89430 | SH |  | SOLE |  | 0 | 0 | 89430 |
| SHELL PLC SPON ADS | ADR | 780259305 |  | 575195 | 10100 | SH |  | SOLE |  | 0 | 0 | 10100 |
| SONY GROUP CORPORATION SPONSORED ADR | ADR | 835699307 |  | 1149387 | 15068 | SH |  | SOLE |  | 0 | 0 | 15068 |
| SPDR S 500 ETF TRUST | ETF | 78462F103 |  | 936954 | 2450 | SH |  | SOLE |  | 0 | 0 | 2450 |
| SYNCHRONY FINANCIAL | Stock | 87165B103 |  | 892149 | 27150 | SH |  | SOLE |  | 0 | 0 | 27150 |
| TARGA RES CORP | Stock | 87612G101 |  | 2224625 | 30267 | SH |  | SOLE |  | 0 | 0 | 30267 |
| TELESIS BIO INC | Stock | 192003101 |  | 322620 | 268850 | SH |  | SOLE |  | 0 | 0 | 268850 |
| THOMSON REUTERS CORP   NEW | Stock | 884903709 |  | 3112172 | 27283 | SH |  | SOLE |  | 0 | 0 | 27283 |
| USA COMPRESSION PARTNERS LP | Stock | 90290N109 |  | 1998407 | 102325 | SH |  | SOLE |  | 0 | 0 | 102325 |
| VERIZON COMMUNICATIONS INC | Stock | 92343V104 |  | 1067385 | 27091 | SH |  | SOLE |  | 0 | 0 | 27091 |
| VERMILION ENERGY INC | Stock | 923725105 |  | 3233323 | 182750 | SH |  | SOLE |  | 0 | 0 | 182750 |
| WILEY JOHN  SONS INC CL A | Stock | 968223206 |  | 240360 | 6000 | SH |  | SOLE |  | 0 | 0 | 6000 |
| WILLIAMS COS INC | Stock | 969457100 |  | 854742 | 25980 | SH |  | SOLE |  | 0 | 0 | 25980 |

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