Penbrook Management
Penbrook Management reported 102 stocks worth $169M in its 13F filing for Q3 2026, filed Oct 16, 2026. Its largest holdings are TRGP (10.6%), AMZN (7.6%) and NVO (7.0%). Compared with Q2 2026, the fund opened new positions in OKE, LMT and XOM, added to ALLT, ELVA and SKYH, trimmed TRGP, NVO and MSFT and sold out of DV, OKE and AM.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 | ![]() TRGP Targa Res Corp | $17.9M | 10.6% | 6,617 | −275 (−4%) | 8 of 8 | |
| 2 | ![]() AMZN Amazon Com Inc | $12.9M | 7.6% | 52K | No change | 8 of 8 | |
| 3 | ![]() NVO Novo-Nordisk A S F | $11.8M | 7.0% | 312K | −4,700 (−1%) | 8 of 8 | |
| 4 | ![]() MSFT Microsoft Corp | $11.1M | 6.6% | 22K | −200 (−1%) | 8 of 8 | |
| 5 | ![]() GOOGL Alphabet Inc | $8M | 4.7% | 23K | No change | 8 of 8 | |
| 6 | ![]() GOOG Alphabet Inc | $7.7M | 4.5% | 22K | −100 (−0%) | 8 of 8 | |
| 7 | ![]() MCO Moodys Corp | $6.2M | 3.6% | 14K | No change | 8 of 8 | |
| 8 | ![]() CYRX Cryoport Inc | $3.5M | 2.1% | 201K | −1,590 (−1%) | 8 of 8 | |
| 9 | ![]() ALLT Allot Ltd | $3.2M | 1.9% | 377K | +102K (+37%) | 2 of 8 | |
| 10 | ![]() SA Seabridge Gold Inc Com | $3.1M | 1.9% | 111K | −175 (−0%) | 2 of 8 |
Positions at Sep 30, 2026, as reported. Change is against the fund's Q2 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q2 2026, gone in Q3 2026Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q3 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Oct 16, 2026 | 13F-HR | Q3 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Penbrook Management 13F FAQ
What does Penbrook Management own?
Penbrook Management reported 102 stocks worth $169M in its 13F filing for Q3 2026, filed Oct 16, 2026. Its largest holdings are TRGP (10.6%), AMZN (7.6%) and NVO (7.0%). The table above lists every position in the filing (the top 10 without an account).
What did Penbrook Management buy and sell in Q3 2026?
Compared with Q2 2026: 6 new positions, 12 added to, 34 trimmed and 5 sold out. New positions include OKE, LMT and XOM. It sold all of DV, OKE and AM.
When will Penbrook Management file its next 13F?
Holdings as of Dec 31, 2026 are due by Feb 15, 2027. The filing appears on this page within minutes of reaching the SEC.
How much is Penbrook Management's portfolio worth?
The Q3 2026 filing reports $169M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.














