Column Group LLC
Long book
$100.7M
Q1 2026
Positions
3
Top-10 weight
100%
concentration
Last quarter
-8.1%
SPY +14.8%
Turnover
40%
of book per quarter
Strategy in plain words
auto-generated from filingsColumn Group LLC is a diversified fundamental manager, specialised in healthcare (100% of the long book), running a $100.7M US long book across 3 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover.
Over the last 9 quarters its long book ran on average 5pp per quarter behind the S&P 500, beating the index in 3 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
-44.6%
Q2 2024
+0.5%
Q3 2024
-22.7%
Q4 2024
-40.2%
Q1 2025
+66.0%
Q2 2025
+38.5%
Q3 2025
-38.1%
Q4 2025
+44.1%
Q1 2026
-8.1%
Sector allocation
No sector data
Long book by quarter
What does Column Group own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 18, 2026 | 3 | $100.7M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 5 | $82.8M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 5 | $81.0M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 15, 2025 | 5 | $65.7M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 14, 2025 | 5 | $44.2M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 5 | $55.7M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 6 | $69.6M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 15, 2024 | 6 | $71.3M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 7 | $160.5M | canonical | SEC ↗ |