Clutterbuck Capital Management LLC
CIK: 1517638
Last 13F
Aug 10, 2026
Next 13F
Nov 16, 2026 · in 7 days
Options Notional
$2.7M
New Positions
0
Exit Positions
0
Holdings (4)
Q2 2026 13F, quarter ended Jun 30, 2026, filed Aug 10, 2026
- NN
NEXTNAV
$159.83M
8.96M sh92.02%-3.6% - OMEROS CORP
OMEROS CORP
$7.74M
4.17M sh4.46%+0.0% - OMER
OMEROS CORP
$4.28M
450,000 sh2.46%+50.0% - SRG
SERITAGE
$1.84M
701,031 sh1.06%+27.0%
| Security | Shares | Value | Change | Weight | Period |
|---|---|---|---|---|---|
 NN NEXTNAV | 8.96M | $159.83M | -3.6% | 92.02% | Q2 2026 |
OMEROS CORP OMEROS CORP | 4.17M | $7.74M | +0.0% | 4.46% | Q2 2026 |
 OMER OMEROS CORP | 450,000 | $4.28M | +50.0% | 2.46% | Q2 2026 |
 SRG SERITAGE | 701,031 | $1.84M | +27.0% | 1.06% | Q2 2026 |
1-4 of 4 holdings
Derivatives (2)
PUT + CALL positions. Value is notional exposure of the underlying, not capital deployed.
- NEXTNAVPut
NEXTNAV
$2.04M
6,180 sh75.60%CUSIP - NEXTNAVCall
NEXTNAV
$659K
2,300 sh24.40%New
| Security | Type | Shares | Notional | Change | % of Book | Period |
|---|---|---|---|---|---|---|
NEXTNAV NEXTNAV | Put | 6,180 | $2.04M | CUSIP | 75.60% | Q2 2026 |
NEXTNAV NEXTNAV | Call | 2,300 | $659K | New | 24.40% | Q2 2026 |
1-2 of 2 derivatives
Sector Allocation
SEC Filings
| Form | Description | Filed |
|---|---|---|
About Clutterbuck Capital Management LLC
Clutterbuck Capital Management LLC is an Investment Adviser that reports its US-listed stock and option positions to the SEC on Form 13F (CIK 1517638). Signal8 holds 9 13F filings from it. Its SEC filings list Delaware as its state of incorporation.
Its most recent 13F holdings report covers Q2 2026 (the quarter ended Jun 30, 2026) and was filed on Aug 10, 2026. That report lists 4 securities, not counting options, the same number as in Q1 2026.
Its four largest reported positions, in order, are NEXTNAV (NN), OMEROS CORP, OMEROS CORP (OMER) and SERITAGE (SRG).
Recent 13F filings by Clutterbuck Capital Management LLC
- Q2 2026: 13F-HR filed Aug 10, 2026, listing 4 securities.
- Q1 2026: 13F-HR filed May 14, 2026, listing 4 securities.
- Q4 2025: 13F-HR filed Feb 13, 2026, listing 7 securities.