Burren Capital Advisors Ltd — 13F Holdings & Portfolio
CIK 1542952 · latest 13F-HR filed 2025-11-12
Burren Capital Advisors Ltd manages $33.0M in 13F-reported U.S. long-equity assets across 16 reported positions as of its 2025-09-30 13F-HR filing. Its largest disclosed positions are VRNA (20.43%), VRNT (12.92%), TXNM (10.83%). Quarter over quarter (versus its 2025-06-30 filing) the fund opened 12 new positions and exited 11; 0 existing positions rose in reported value and 2 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2025-11-12
vs 2025-06-30
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q3 25Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q2 25 → Q3 25Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
2 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 87.7%Cumulative share of the portfolio held in the largest N positions.
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| AMPM VENTURES LIMITED Control | MANAGING MEMBER AND IAR | 75% or more | Foreign Entity |
| MCGRATH, ANDREW, THOMAS Control | DIRECTOR | Less than 5% | Individual |
| MCGRATH, ANDREW, THOMAS Control | MANAGING MEMBER/DIRECTOR | 75% or more | Individual |
| CANESSA, PHILIP, XAVIER | CHIEF COMPLIANCE OFFICER | Less than 5% | Individual |
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
New Positions
- VERONA PHARMA PLC$6.7M
- VERINT SYS INC$4.3M
- TXNM ENERGY INC$3.6M
- AIR LEASE CORP$3.5M
- ZIMVIE INC$2.0M
Exited Positions
- SKECHERS U S A INC$4.4M
- WALGREENS BOOTS ALLIANCE INC$2.8M
- HESS CORP$2.4M
- NV5 GLOBAL INC$1.9M
- JUNIPER NETWORKS INC$1.8M
Burren Capital Advisors Ltd Holdings (2025-09-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | VERONA PHARMA PLC | VRNA | 925050106 | $6.7M | 20.43% | 63,198 | SH |
| 2 | VERINT SYS INC | VRNT | 92343X100 | $4.3M | 12.92% | 210,660 | SH |
| 3 | TXNM ENERGY INC | TXNM | 69349H107 | $3.6M | 10.83% | 63,198 | SH |
| 4 | AIR LEASE CORP | AL | 00912X302 | $3.5M | 10.49% | 54,421 | SH |
| 5 | FRONTIER COMMUNICATIONS PARE | FYBR | 35909D109 | $3.3M | 10.04% | 88,729 | SH |
| 6 | KELLANOVA | KLG | 487836108 | $2.2M | 6.51% | 54,185 | SH |
| 7 | ZIMVIE INC | ZIMV | 98888T107 | $2.0M | 6.04% | 105,330 | SH |
| 8 | AVIDXCHANGE HOLDINGS INC | AVDX | 05368X102 | $1.4M | 4.22% | 139,842 | SH |
| 9 | SYNOVUS FINL CORP | — | 87161C501 | $1.0M | 3.13% | 21,066 | SH |
| 10 | SURMODICS INC | SRDX | 868873100 | $1.0M | 3.05% | 33,664 | SH |
| 11 | THE ODP CORP | ODP | 88337F105 | $973.5K | 2.95% | 34,955 | SH |
| 12 | PREMIER INC | BIEI | 74051N102 | $971.7K | 2.94% | 34,955 | SH |
| 13 | DAYFORCE INC | DAY | 15677J108 | $725.6K | 2.20% | 10,533 | SH |
| 14 | STAAR SURGICAL CO | STAA | 852312305 | $660.4K | 2.00% | 24,577 | SH |
| 15 | CORE SCIENTIFIC INC NEW | CORZ | 21874A106 | $440.9K | 1.34% | 24,577 | SH |
| 16 | CROSS CTRY HEALTHCARE INC | CCRN | 227483104 | $297.8K | 0.90% | 20,973 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2025-09-30 | 2025-11-12 | $33.0M | 16 | 0002085853-25-000269 |
| 2025-06-30 | 2025-08-07 | $34.2M | 15 | 0001667731-25-001066 |