Burren Capital Advisors Ltd

High-turnover traderMomentum followerQuality / disciplined sizing

Total reported value

$33.0M

Reporting period: 2025-09-30 · Number of holdings: 16

Burren Capital Advisors Ltd disclosed 16 holdings in its latest 13F filing for the period ending 2025-09-30, with total reported value of $33.0M and a quarterly turnover rate of 100.0%.

Personality snowflake

Concentration: 42.29
Portfolio Stability: 100
Momentum/Contrarian: 100
Sector conviction: 0
Diversification: 32
Sizing Uniformity: 91.41

Recent moves

Trim KEL
-35.6%　-$806.6K
Add FYBR
0.0%　$1.4M
Trim SU6
-6.1%　-$88.2K
New buy VRNA
New buy VTY
New buy TXNM

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	VRNA	Verona Pharma PLC - Adr	Stock-Other	20.43%	+20.43%	NEW
2	VTY	Verint Systems INC	Stock-Other	12.92%	+12.92%	NEW
3	TXNM	Txnm Energy INC	Stock-Utilities	10.83%	+10.83%	NEW
4	AL	Air Lease CORP	Stock-Other	10.49%	+10.49%	NEW
5	FYBR	Frontier Communications Pare	Stock-Other	10.04%	+3.14%	—
6	KEL	Kellanova	Stock-Other	6.51%	-4.07%	-35.59%
7	ZIMV	Zimvie INC	Stock-Other	6.04%	+6.04%	NEW
8	AVDX	Avidxchange Holdings INC	Stock-Other	4.22%	+4.22%	NEW
9	SYU1	Synovus Financial CORP	Stock-Other	3.13%	+3.13%	NEW
10	SU6	Surmodics INC	Stock-Other	3.05%	-0.86%	-6.09%
11	ODP1	Odp Corp/the	Stock-Other	2.95%	+2.95%	NEW
12	2655957D	Premier Inc-class A	Stock-Other	2.94%	+2.94%	NEW
13	DAY	Dayforce INC	Stock-Other	2.20%	+2.20%	NEW
14	STAA	Staar Surgical Co	Stock-Other	2.00%	+2.00%	NEW
15	CORZ	Core Scientific INC	Stock-Tech	1.34%	+1.34%	NEW
16	CCRN	Cross Country Healthcare INC	Stock-Other	0.90%	+0.90%	NEW

Reported value over time

Sector allocation

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2025-09-30	16	$33.0M	100	1VRNA 2VTY 3TXNM Top holdings2025-09-30 1.VRNA 2.VTY 3.TXNM 4.AL 5.FYBR 6.KEL 7.ZIMV 8.AVDX 9.SYU1 10.SU6
2025-06-30	15	$34.2M	0	1KEL 2SKAA 3FYBR Top holdings2025-06-30 1.KEL 2.SKAA 3.FYBR 4.WBA 5.HES 6.NVEEUSD 7.JNP 8.BASE 9.DNB 10.INFA1EUR
2025-03-31	16	$28.0M	100	1APY1EUR 2KEL 3HES Top holdings2025-03-31 1.APY1EUR 2.KEL 3.HES 4.DNB 5.ITCIEUR 6.AKX 7.FYBR 8.BERYEUR 9.DFSEUR 10.WDC
2024-12-31	15	$16.8M	0	1HES 2ZUOUSD 3SMARGBP Top holdings2024-12-31 1.HES 2.ZUOUSD 3.SMARGBP 4.PDCOEUR 5.AMED 6.BUSD 7.ATSG* 8.HCP2EUR 9.BERYEUR 10.ACI
2021-09-30	1	—	0
2021-06-30	1	$1.1M	100	1WTW Top holdings2021-06-30 1.WTW
2021-03-31	4	$8.4M	40	1WORK 2WTW 3RP Top holdings2021-03-31 1.WORK 2.WTW 3.RP 4.ALXN
2020-12-31	5	$10.4M	100	1WORK 2RP 3WTW Top holdings2020-12-31 1.WORK 2.RP 3.WTW 4.BEATEUR 5.G1991C
2020-09-30	1	$133.0K	100	1BMY-R Top holdings2020-09-30 1.BMY-R
2020-06-30	1	$418.0K	100	1BMY-R Top holdings2020-06-30 1.BMY-R
2020-03-31	3	$8.0M	100	1G0177J2FITEUR 3BMY-R Top holdings2020-03-31 1.G0177J 2.FITEUR 3.BMY-R
2019-12-31	13	$29.6M	100	1G0177J2TECD1USD3G1992S Top holdings2019-12-31 1.G0177J 2.TECD1USD 3.G1992S 4.FITEUR 5.EP-PC 6.LOGMEUR 7.INSTEUR 8.MDCOUSD 9.WBC1EUR 10.ADSW
2019-09-30	13	$31.2M	100	1PSDOEUR2G0177J3CELG Top holdings2019-09-30 1.PSDOEUR 2.G0177J 3.CELG 4.MDSOEUR 5.CBM 6.EP-PC 7.CNC 8.ADSW 9.BPLUSD 10.WBC1EUR
2019-06-30	4	$12.3M	100	1CELG 2APC3EUR 3MDSOEUR Top holdings2019-06-30 1.CELG 2.APC3EUR 3.MDSOEUR 4.CNC
2019-03-31	7	$16.4M	100	1RHT1EUR 2BMY328849P Top holdings2019-03-31 1.RHT1EUR 2.BMY 3.28849P 4.90385D 5.CELG 6.CNC 7.185575
2018-12-31	3	$2.9M	100	1G0551A2T8S Top holdings2018-12-31 1.G0551A 2.T8S
2018-09-30	5	$22.3M	38	1NXPI 2DELL329414D Top holdings2018-09-30 1.NXPI 2.DELL 3.29414D 4.67072V 5.BG
2018-06-30	6	$25.7M	100	1NXPI 2DELL3G98294 Top holdings2018-06-30 1.NXPI 2.DELL 3.G98294 4.67072V 5.T 6.BG
2018-03-31	1	$5.8M	100	1NXPI Top holdings2018-03-31 1.NXPI
2017-12-31	5	$16.9M	100	161166W2DELL 3TWXCHF Top holdings2017-12-31 1.61166W 2.DELL 3.TWXCHF 4.QCOM 5.67072V
2017-09-30	5	$8.9M	100	1DELL 2CLVT 3RLJ Top holdings2017-09-30 1.DELL 2.CLVT 3.RLJ 4.98400J 5.67072V
2017-06-30	6	$16.5M	100	1REYN269840W3DELL Top holdings2017-06-30 1.REYN 2.69840W 3.DELL 4.966837 5.918194 6.855030
2017-03-31	10	$24.3M	100	1REYN29662443111621 Top holdings2017-03-31 1.REYN 2.966244 3.111621 4.DELL 5.163893 6.MBLY 7.918194 8.582839 9.GIG1EUR 10.300645
2016-12-31	10	$29.7M	100	192035529662443413086 Top holdings2016-12-31 1.920355 2.966244 3.413086 4.587200 5.361268 6.REYN 7.DELL 8.GE 9.163893 10.46118H
2016-09-30	7	$23.5M	100	153578A21434363RXT Top holdings2016-09-30 1.53578A 2.143436 3.RXT 4.23247G 5.163893 6.966244 7.DELL
2016-06-30	11	$21.4M	100	153578A22686483TJX Top holdings2016-06-30 1.53578A 2.268648 3.TJX 4.MODV 5.143436 6.05463D 7.80908T 8.30066A 9.89969Q 10.74733T
2016-03-31	7	$13.5M	100	1ADT 2TJX3143436 Top holdings2016-03-31 1.ADT 2.TJX 3.143436 4.651824 5.00826T 6.89969Q 7.MRVL
2015-12-31	2	$6.1M	100	1G6852T2049513 Top holdings2015-12-31 1.G6852T 2.049513
2015-09-30	9	$22.5M	100	112561W245812P3232820 Top holdings2015-09-30 1.12561W 2.45812P 3.232820 4.021441 5.OMC 6.AVGO 7.404132 8.049513 9.MRVL
2015-06-30	18	$51.1M	100	112561W2441060345812P Top holdings2015-06-30 1.12561W 2.441060 3.45812P 4.73179V 5.007974 6.45169U 7.021441 8.30068C 9.45666Q 10.984332
2015-03-31	10	$27.6M	100	18265522307000387264S Top holdings2015-03-31 1.826552 2.307000 3.87264S 4.441060 5.12561W 6.984332 7.716933 8.88732J 9.CMCSA 10.BCRX
2014-12-31	12	$67.6M	100	1307000214170T387264S Top holdings2014-12-31 1.307000 2.14170T 3.87264S 4.GME 5.108490 6.88732J 7.716768 8.768573 9.379302 10.LBTYA
2014-09-30	22	$106.2M	100	1FSTR23070003BSBR Top holdings2014-09-30 1.FSTR 2.307000 3.BSBR 4.88732J 5.87509U 6.87264S 7.GME 8.474771 9.EP-PC 10.583421
2014-06-30	30	$63.5M	100	1FSTR288732J343365Y Top holdings2014-06-30 1.FSTR 2.88732J 3.43365Y 4.BSBR 5.743674 6.68372A 7.02917R 8.T86 9.87265H 10.806373
2014-03-31	18	$76.7M	100	17373012G314055X Top holdings2014-03-31 1.737301 2.G 3.14055X 4.FSTR 5.OMC 6.69373H 7.205638 8.JAHEUR 9.768573 10.THC
2013-12-31	3	$27.5M	100	153217V24219333693139 Top holdings2013-12-31 1.53217V 2.421933 3.693139
2013-09-30	10	$71.7M	100	1DELL20805553860370 Top holdings2013-09-30 1.DELL 2.080555 3.860370 4.ELAN 5.67073Y 6.NYSX 7.BCC 8.486587 9.693139 10.343468
2013-06-30	13	$264.2M	0	1PFE 2PFE3549764 Top holdings2013-06-30 1.PFE 2.PFE 3.549764 4.559211 5.67073Y 6.SFD 7.781295 8.140288 9.30064K 10.805551

Holding changes this quarter

Burren Capital Advisors Ltd's most significant position changes for 2025-09-30: New buy: Verona Pharma PLC - Adr (VRNA); New buy: Verint Systems INC (VTY); New buy: Txnm Energy INC (TXNM); Sold out: Championx CORP (APY1EUR); New buy: Air Lease CORP (AL).

Position changes disclosed by Burren Capital Advisors Ltd for the quarter ending 2025-09-30, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	FYBR	Frontier Communications Pare	+3.1%	—	Add
2	SU6	Surmodics INC	-0.9%	-6.09%	Trim
3	KEL	Kellanova	-4.1%	-35.59%	Add
4	VRNA	Verona Pharma PLC - Adr	—	NEW	New buy
5	VTY	Verint Systems INC	—	NEW	New buy
6	TXNM	Txnm Energy INC	—	NEW	New buy
7	APY1EUR	Championx CORP	—	EXIT	Sold out
8	AL	Air Lease CORP	—	NEW	New buy
9	HES	Hess CORP	—	EXIT	Sold out
10	DNB	Dun & Bradstreet Holdings In	—	EXIT	Sold out
11	ITCIEUR	Intra-cellular Therapies INC	—	EXIT	Sold out
12	AKX	Ansys INC	—	EXIT	Sold out
13	ZIMV	Zimvie INC	—	NEW	New buy
14	BERYEUR	Berry Global Group INC	—	EXIT	Sold out
15	DFSEUR	Discover Financial Services	—	EXIT	Sold out
16	AVDX	Avidxchange Holdings INC	—	NEW	New buy
17	WDC	Western Digital CORP	—	EXIT	Sold out
18	JNP	Juniper Networks INC	—	EXIT	Sold out
19	SYU1	Synovus Financial CORP	—	NEW	New buy
20	ODP1	Odp Corp/the	—	NEW	New buy
21	2655957D	Premier Inc-class A	—	NEW	New buy
22	✓	Enfusion INC - Class A	—	EXIT	Sold out
23	DAY	Dayforce INC	—	NEW	New buy
24	HEESEUR	H&e Equipment Services INC	—	EXIT	Sold out
25	STAA	Staar Surgical Co	—	NEW	New buy
26	AMED	Amedisys INC	—	EXIT	Sold out
27	WBA	Walgreens Boots Alliance INC	—	EXIT	Sold out
28	CORZ	Core Scientific INC	—	NEW	New buy
29	CCRN	Cross Country Healthcare INC	—	NEW	New buy

FAQ

What is Burren Capital Advisors Ltd and what type of investor is it?

Burren Capital Advisors Ltd is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2025-09-30), the firm manages a tracked equity portfolio valued at approximately $33.0M, spread across 16 disclosed positions.

What are Burren Capital Advisors Ltd's largest equity positions?

Based on the latest 13F filing, Burren Capital Advisors Ltd's top holdings by market value are: 1. Verona Pharma PLC - Adr (VRNA) — $6.7M (20.4%) 2. Verint Systems INC (VTY) — $4.3M (12.9%) 3. Txnm Energy INC (TXNM) — $3.6M (10.8%) 4. Air Lease CORP (AL) — $3.5M (10.5%) 5. Frontier Communications Pare (FYBR) — $3.3M (10.0%)

What changes did Burren Capital Advisors Ltd make in its most recent portfolio filing?

In the latest reported quarter, Burren Capital Advisors Ltd made 29 notable position adjustments: 13 new positions were initiated, 2 existing holdings were added to, 1 positions were partially reduced, and 13 were completely exited. The largest of these moves: New buy: Verona Pharma PLC - Adr (VRNA); New buy: Verint Systems INC (VTY); New buy: Txnm Energy INC (TXNM); Sold out: Championx CORP (APY1EUR); New buy: Air Lease CORP (AL)

What sectors does Burren Capital Advisors Ltd focus on?

Burren Capital Advisors Ltd is concentrated in the following sectors based on its current disclosed equity portfolio: • Utilities: 89.0% • Information Technology: 11.0%