Clutterbuck Capital Management LLC

Fundamental diversified ★Signal technology specialist (92%) CIK 1517638
Long book
$164.1M
Q1 2026
Positions
4
Top-10 weight
100%
concentration
Last quarter
+0.5%
SPY +14.8%
Turnover
43%
of book per quarter

Strategy in plain words

auto-generated from filings

Clutterbuck Capital Management LLC is a diversified fundamental manager, specialised in technology (92% of the long book), running a $164.1M US long book across 4 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: NEXTNAV INC, OMEROS CORP, OMEROS CORP, SERITAGE GROWTH PROP- A.

We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q4 2025
-6.4%
Q1 2026
+0.5%

Sector allocation

Technology
97%
Healthcare
2%
Real estate
1%

Long book by quarter

$116.9M
Q4 2025
$164.1M
Q1 2026

What does Clutterbuck Capital own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NN NEXTNAV INCTechnology9.3M$150.5M91.7%+61.4%
OMER OMEROS CORPHealthcare300.0K$3.2M1.9%+100.0%
SRG SERITAGE GROWTH PROP- AReal estate552.0K$1.6M0.9%+33.6%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 20265$164.1M canonicalSEC ↗
Q4 202513F-HRFeb 13, 20268$119.9M canonicalSEC ↗