Burren Capital Advisors Ltd
CIK
1542952
Location
Gibraltar, J1
Portfolio Value
Micro
$8,436,852
Diversification
Highly concentrated
Filing Date
Global Rank
#7,650
/ 7,974
▲ 265
Top Industry
Utilities - Regulated Electric
42.4%
3Y Alpha vs SPY
+48.1%
Period ended 9 months ago
Filed Nov 12, 2025 · 7mo
6 quarters · since Dec 2020
Clone Performance
Jun 2023–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+385.9%
SPY
+78.1%
Annualised alpha
+48.1%
Max drawdown
−16.6%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
5 positions · as of Sep 30, 2025 · Δ vs Mar 31, 2025Top Position
42.4%
−57.6 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
3,581
Highly concentrated−6,419
Portfolio Trend
6 quarters · across all stocks
Sector Breakdown
As of Sep 30, 2025| Sector | % Portfolio | Value |
|---|---|---|
| Utilities | 42.4% | $3,573,846 |
| Industrials | 41.1% | $3,463,896 |
| Healthcare | 11.4% | $958,199 |
| Technology | 5.2% | $440,911 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increasedNo qualifying positions this quarter.
Trimmed
Positions the filer reducedNo qualifying positions this quarter.
New Positions
Positions the filer opened this quarter
5 positions
Sold Out
Positions the filer fully exited
1 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| WDC | Western Digital Corp | 30,360 | $1,227,454 | |
| No positions match the current search. | ||||
5 positions ·
$8,436,852 total
· as of Sep 30, 2025
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| TXNM |
Txnm Energy Inc
Utilities
|
NEW | 63,198 | $3,573,846 | 42.36% | |
| AL |
SUMISHO AIR LEASE CORP
Industrials
|
NEW | 54,421 | $3,463,896 | 41.06% | |
| STAA |
Staar Surgical Co
Healthcare
|
NEW | 24,577 | $660,383 | 7.83% | |
| CORZ |
Core Scientific, Inc./tx
Technology
|
NEW | 24,577 | $440,911 | 5.23% | |
| CCRN |
Cross Country Healthcare Inc
Healthcare
|
NEW | 20,973 | $297,816 | 3.53% |