Clutterbuck Capital Management LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 14, 2026), Clutterbuck Capital Management LLC reported 4 stock positions worth $164.1 million. Its top holding was Nextnav (NN) at 91.7% of the portfolio, followed by Omeros Corp. (omer 9.5 06/15/29) (5.4%) and Omeros (OMER, 1.9%). Compared with Q4 2025, it sold out of 3 and added to 3. The biggest buy was Nextnav (NN, shares +61%) and the biggest sale an exit from Green Plains Inc. (gpre 2.25 03/15/27).
- Most Recent 13F
- Q2 2026
- Location
- CLEVELAND, OH
- CIK
- 0001517638
- Portfolio Value
- $164.1M (Q1 2026)
- SEC Filing
- 0001517638-26-000004 ↗ filed May 14, 2026
Holdings Value
Holdings 4 stocks · $164.1M
| NN Nextnav Inc. | 91.70% | 9,300,806 | $150.5M | Add +61.4% |
| OMEROS CORP (OMER 9.5 06/15/29) | 5.42% | 4,169,000 | $8.9M | No change |
| OMER Omeros Corp. | 1.93% | 300,000 | $3.2M | Add +100.0% |
| SRG Seritage Growth Prop- A | 0.95% | 551,997 | $1.6M | Add +33.6% |
Options reported separately and not counted above: NN puts ($34K).
Portfolio Sells Q4 2025 → Q1 2026
| GREEN PLAINS INC (GPRE 2.25 03/15/27) | Sold out | 0.00% | −2.46 |
| CORT Corcept Therapeutics Inc. | Sold out | 0.00% | −1.19 |
| OMEROS CORP (OMER 5.25 02/15/26) | Sold out | 0.00% | −0.43 |
Portfolio Buys Q4 2025 → Q1 2026
Options Activity Q4 2025 → Q1 2026
| NEXTNAV | call | Sold out | 6,748 | $3.0Mbefore exit |
| NN Nextnav Inc. | put | New | 111 | $34K |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.