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Birnam Oak Advisors, LP

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13F filer, CIK 1997245, New York, NY

Birnam Oak Advisors, LP reported $446,512,395 across 32 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17. Its ten largest share positions make up 69.16% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-26-001061

Period
2025-12-31
Reported value
$447M
Holdings
32
Top 10 weight
69.16%
New
11
Sold out
11

Largest buys vs the previous quarter

SecurityShares changeApprox. value
EAnew+150,972$30.8M
CMAnew+333,648$29M
DAYnew+359,887$24.9M
AESnew+1,280,832$18.4M
EXASnew+177,379$18M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
INTERPUBLIC GROUP COSexited-1,362,621-$38M
VERONA PHARMA PLCexited-277,604-$29.6M
Kexited-237,491-$19.5M
SPRexited-390,800-$15.1M
CORZexited-646,323-$11.6M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001172661-26-001061, largest first. % of portfolio is the value over $446,512,395, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CYBERARK SOFTWARE LTD/ISRAELCYBERARK SOFTWARE LTD/ISRAELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 94,184 shares; 2025Q4: 101,581 shares 101,581$45.3M10.15%+7,397
ACWIISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 280,800 shares; 2025Q1: 274,800 shares; 2025Q2: 276,800 shares; 2025Q3: 276,800 shares; 2025Q4: 276,800 shares 276,800$39.2M8.77%0Timeline
FYBRFRONTIER COMMUNICATIONS PAREQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 210,000 shares; 2025Q2: 736,510 shares; 2025Q3: 1,011,768 shares; 2025Q4: 1,015,468 shares 1,015,468$38.7M8.66%+3,700Timeline
NSCNORFOLK SOUTHN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 96,100 shares; 2025Q4: 122,542 shares 122,542$35.4M7.92%+26,442Timeline
EAELECTRONIC ARTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 150,972 shares 150,972$30.8M6.91%newTimeline
CMACOMERICA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 333,648 shares 333,648$29M6.5%newTimeline
DAYDAYFORCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 359,887 shares 359,887$24.9M5.57%newTimeline
GTLSCHART INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 118,223 shares; 2025Q4: 120,283 shares 120,283$24.8M5.56%+2,060Timeline
TXNMTXNM ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 269,000 shares; 2025Q3: 389,851 shares; 2025Q4: 379,851 shares 379,851$22.4M5.01%-10,000Timeline
AESAES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,280,832 shares 1,280,832$18.4M4.11%newTimeline
EXASEXACT SCIENCES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 177,379 shares 177,379$18M4.03%newTimeline
ECHOECHOSTAR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 192,935 shares; 2025Q4: 137,935 shares 137,935$15M3.36%-55,000Timeline
VUGVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 27,100 shares; 2025Q1: 27,100 shares; 2025Q2: 27,100 shares; 2025Q3: 27,100 shares; 2025Q4: 27,100 shares 27,100$13.2M2.96%0Timeline
CDTXCIDARA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 41,414 shares 41,414$9.15M2.05%newTimeline
ASTRIA THERAPEUTICS INCASTRIA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 689,735 shares 689,735$9.03M2.02%new
CADECADENCE BANKQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 210,338 shares 210,338$9.01M2.02%newTimeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 15,000 shares; 2025Q1: 15,000 shares; 2025Q2: 15,000 shares; 2025Q3: 16,000 shares; 2025Q4: 16,000 shares 16,000$8.04M1.8%0Timeline
VTVVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 38,000 shares; 2025Q1: 38,000 shares; 2025Q2: 38,000 shares; 2025Q3: 38,000 shares; 2025Q4: 38,000 shares 38,000$7.26M1.63%0Timeline
HOUSANYWHERE REAL ESTATE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 296,942 shares; 2025Q4: 507,463 shares 507,463$7.19M1.61%+210,521Timeline
COFCAPITAL ONE FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 19,833 shares; 2025Q3: 19,833 shares; 2025Q4: 19,833 shares 19,833$4.81M1.08%0Timeline
IEURISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 55,000 shares; 2025Q1: 55,000 shares; 2025Q2: 55,000 shares; 2025Q3: 55,000 shares; 2025Q4: 55,000 shares 55,000$3.9M0.87%0Timeline
VGKVANGUARD INTL EQUITY INDEX FQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 45,000 shares; 2025Q1: 45,000 shares; 2025Q2: 45,000 shares; 2025Q3: 45,000 shares; 2025Q4: 45,000 shares 45,000$3.76M0.84%0Timeline
BBJPJ P MORGAN EXCHANGE TRADED FQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 55,000 shares; 2025Q1: 55,000 shares; 2025Q2: 55,000 shares; 2025Q3: 55,000 shares; 2025Q4: 55,000 shares 55,000$3.63M0.81%0Timeline
AERAERCAP HOLDINGS NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 25,000 shares; 2025Q1: 25,000 shares; 2025Q2: 25,000 shares; 2025Q3: 25,000 shares; 2025Q4: 25,000 shares 25,000$3.59M0.8%0Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 5,000 shares; 2025Q1: 5,000 shares; 2025Q2: 6,000 shares; 2025Q3: 6,000 shares; 2025Q4: 6,000 shares 6,000$2.9M0.65%0Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 12,500 shares; 2025Q1: 12,500 shares; 2025Q2: 12,500 shares; 2025Q3: 12,500 shares; 2025Q4: 12,500 shares 12,500$2.89M0.65%0Timeline
MSOSADVISORSHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,045,655 shares; 2025Q4: 593,782 shares 593,782$2.8M0.63%-451,873Timeline
IVEISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares; 2025Q2: 10,000 shares; 2025Q3: 10,000 shares; 2025Q4: 10,000 shares 10,000$2.12M0.47%0Timeline
KMBKIMBERLY-CLARK CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 7,313 shares 7,313$738K0.17%newTimeline
EWJISHARES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 4,000 shares; 2025Q1: 4,000 shares; 2025Q2: 4,000 shares; 2025Q3: 4,000 shares; 2025Q4: 4,000 shares 4,000$323K0.07%0Timeline

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
MARA HOLDINGS INCMARA HOLDINGS INC NOTE 6/0principal7,400,000$6.19Mnew
CLEANSPARK INCCLEANSPARK INC NOTE 6/1principal4,000,000$4.16Mnew

Sold out in Q4 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
INTERPUBLIC GROUP COSINTERPUBLIC GROUP COS1,362,621$38Mshares
VERONA PHARMA PLCVERONA PHARMA PLC277,604$29.6Mshares
KKELLANOVA237,491$19.5Mshares
ARKKARK ETF TR180,000$15.5Mput
SPRSPIRIT AEROSYSTEMS HLDGS INC390,800$15.1Mshares
CORZCORE SCIENTIFIC INC NEW646,323$11.6Mshares
OKLOOKLO INC100,000$11.2Mput
SCSSTEELCASE INC-CLASS A624,544$10.7Mshares
MR COOPER GROUP INCMR COOPER GROUP INC43,100$9.09Mshares
KSSKOHLS CORP50,000$768Kcall
LIONLIONSGATE STUDIOS CORP100,000$690Kshares

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001172661-26-001061 base2026-02-17acceptance time not in the bulk data set