Groupe Bruxelles Lambert

Fundamental diversified ★Signal services_media specialist (100%) CIK 1179313
Long book
$240.0M
Q1 2026
Positions
1
Top-10 weight
100%
concentration
Last quarter
-12.6%
SPY +14.8%
Turnover
0%
of book per quarter

Strategy in plain words

auto-generated from filings

Groupe Bruxelles Lambert is a diversified fundamental manager, specialised in services_media (100% of the long book), running a $240.0M US long book across 1 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: CONCENTRIX CORP.

Over the last 9 quarters its long book ran on average 13.4pp per quarter behind the S&P 500, beating the index in 1 of 9 quarters. 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
Q1 2024
-3.9%
Q2 2024
-18.6%
Q3 2024
-15.0%
Q4 2024
+29.4%
Q1 2025
-4.4%
Q2 2025
-12.2%
Q3 2025
-9.2%
Q4 2025
-33.6%
Q1 2026
-12.6%

Sector allocation

Services media
100%

Long book by quarter

$581.0M
Q1 2024
$555.2M
Q2 2024
$449.7M
Q3 2024
$379.6M
Q4 2024
$488.2M
Q1 2025
$463.7M
Q2 2025
$404.9M
Q3 2025
$364.8M
Q4 2025
$240.0M
Q1 2026

What does Groupe Bruxelles own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
CNXC CONCENTRIX CORPServices media8.8M$240.0M100.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 7, 20261$240.0M canonicalSEC ↗
Q4 202513F-HRFeb 5, 20261$364.8M canonicalSEC ↗
Q3 202513F-HRDec 17, 20251$404.9M canonicalSEC ↗
Q2 202513F-HRJul 29, 20251$463.7M canonicalSEC ↗
Q1 202513F-HRMay 8, 20251$488.2M canonicalSEC ↗
Q4 202413F-HRFeb 12, 20251$379.6M canonicalSEC ↗
Q3 202413F-HRNov 13, 20241$449.7M canonicalSEC ↗
Q2 202413F-HRAug 13, 20241$555.2M canonicalSEC ↗
Q1 202413F-HRMay 10, 20241$581.0M canonicalSEC ↗