PENBROOK MANAGEMENT LLC
Q1 2023 Form 13-F
NEW YORK, NEW YORK
CIK 0001381055
· CRD 127269
· SEC-registered investment adviser
$130.5M Reported Value Total
PENBROOK MANAGEMENT LLC reports 188 total accounts under management (AUM). There are 188 discretionary accounts valued at $146,364,586, and 0 non-discretionary accounts.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Private funds (Form ADV)
1 fund
· $7.4M gross asset value
Hedge Fund: $7.4M
Source: Form ADV filed 2026-05-28
Reported value
$130.5M
Quarter over quarter
+10.3%
Holdings
95
Top-10 concentration
49.9%
Key People
Form ADV owners & control persons
Robert Stephen Anderson
MANAGING MEMBER
Barbara Ann Dicostanzo
MANAGING MEMBER, CHIEF COMPLIANCE OFFICER
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Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
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Q1 2023 13F record
Q1 2023 13F filing summary
| Period of report | March 31, 2023 |
|---|---|
| Filed | April 20, 2023 |
| Form | 13F-HR |
| Reported value | $130.5M |
| Positions | 95 |
| Change in reported value | +11.2% |
| New positions | 3 |
| Exited positions | 3 |
| Position turnover | 6.1% |
| Top-10 concentration | 49.9% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Oct 16, 2026
|
102 | $169.5M |
|
Q2 2026 13F
Filed Jul 23, 2026
|
101 | $156.8M |
|
Q1 2026 13F
Filed Apr 21, 2026
|
93 | $132.1M |
|
Q4 2025 13F
Filed Jan 6, 2026
|
97 | $145.0M |
|
Q3 2025 13F
Filed Oct 22, 2025
|
104 | $143.2M |
|
Q2 2025 13F
Filed Jul 25, 2025
|
102 | $133.0M |
|
Q1 2025 13F
Filed Apr 1, 2025
|
107 | $132.3M |
|
Q4 2024 13F
Filed Jan 23, 2025
|
110 | $146.6M |
|
Q3 2024 13F
Filed Oct 15, 2024
|
104 | $153.8M |
|
Q2 2024 13F
Filed Jul 24, 2024
|
101 | $163.8M |
|
Q1 2024 13F
Filed Apr 18, 2024
|
102 | $161.3M |
|
Q4 2023 13F
Filed Jan 16, 2024
|
102 | $148.8M |
|
Q3 2023 13F
Filed Oct 10, 2023
|
99 | $136.5M |
|
Q2 2023 13F
Filed Jul 17, 2023
|
98 | $138.0M |
|
Q1 2023 13F
Filed Apr 20, 2023
|
95 | $130.5M |
|
Q4 2022 13F
Filed Jan 24, 2023
|
95 | $117.3M |
|
Q3 2022 13F
Filed Oct 31, 2022
|
99 | $116.2M |
|
Q2 2022 13F
Filed Jul 29, 2022
|
105 | $126.8M |
|
Q1 2022 13F
Filed Apr 26, 2022
|
109 | $154.1M |
|
Q4 2021 13F
Filed Jan 10, 2022
|
102 | $166.0M |
28 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q1 2023
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | NVO NOVO-NORDISK A S ADR | $25.3M | 19.41% |
| 2 | MSFT MICROSOFT CORP | $8.5M | 6.5% |
| 3 | ACLS AXCELIS TECHNOLOGIES INC | $6.3M | 4.83% |
| 4 | AMZN AMAZON INC | $5.2M | 4.0% |
| 5 | MCO MOODYS CORP | $4.2M | 3.22% |
| 6 | TRI THOMSON REUTERS CORP NEW | $3.5M | 2.69% |
| 7 | CPG CRESCENT PT ENERGY CORP | $3.5M | 2.67% |
| 8 | RSP INVESCO S&P 500 EQUAL WEIGHT ETF | $3.1M | 2.4% |
| 9 | GOOG ALPHABET INC CAP STK CL C | $2.7M | 2.07% |
| 10 | COHU COHU INC | $2.7M | 2.06% |
| 11 | GOOGL ALPHABET INC CAP STK CL A | $2.5M | 1.88% |
| 12 | VET VERMILION ENERGY INC | $2.3M | 1.79% |
| 13 | USAC USA COMPRESSION PARTNERS LP UNIT LTDPAR | $2.2M | 1.65% |
| 14 | TRGP TARGA RES CORP | $2.2M | 1.65% |
| 15 | PLAB PHOTRONICS INC | $2.1M | 1.58% |
| 16 | NNY NUVEEN N Y MUN VALUE FD | $1.9M | 1.43% |
| 17 | DAIO DATA I O CORP | $1.7M | 1.32% |
| 18 | BX BLACKSTONE INC | $1.7M | 1.31% |
| 19 | AZTA AZENTA INC | $1.4M | 1.09% |
| 20 | ADP AUTOMATIC DATA PROCESSING INC | $1.4M | 1.08% |
Values as reported on the Q1 2023 Form 13F. Every position is in the holdings table below.