Clutterbuck Capital Management LLC — 13F Holdings & Portfolio
CIK 1517638 · latest 13F-HR filed 2026-08-10
Clutterbuck Capital Management LLC manages $176.4M in 13F-reported U.S. long-equity assets across 6 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NN (90.61%), OMEROS CORP (4.39%), OMER (2.43%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions and exited 0; 3 existing positions rose in reported value and 1 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-10
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- NEXTNAV$9.3M +6.2%
- OMEROS CORP$1.1M +35.1%
- SERITAGE$292.6K +18.9%
Clutterbuck Capital Management LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | NEXTNAV | NN | 65345N106 | $159.8M | 90.61% | 8,964,292 | SH |
| 2 | OMEROS CORP | — | 682143AK8 | $7.7M | 4.39% | 4,169,000 | SH |
| 3 | OMEROS CORP | OMER | 682143102 | $4.3M | 2.43% | 450,000 | SH |
| 4 | NEXTNAV Put | NNAVW | 65345N956 | $2.0M | 1.16% | 6,180 | SH |
| 5 | SERITAGE | SRG | 81752R100 | $1.8M | 1.05% | 701,031 | SH |
| 6 | NEXTNAV Call | NNAVW | 65345N906 | $659.4K | 0.37% | 2,300 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-10 | $176.4M | 6 | 0001517638-26-000005 |
| 2026-03-31 | 2026-05-14 | $164.1M | 5 | 0001517638-26-000004 |
| 2025-12-31 | 2026-02-13 | $119.9M | 8 | 0001517638-26-000003 |
CLEVELAND, OH 44114