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Watchtower Advisors, LP

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13F filer, CIK 1807092, OLD GREENWICH, CT

Watchtower Advisors, LP reported $140,993,511 across 12 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-14. Its ten largest share positions make up 96.88% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001807092-26-000007

Period
2026-03-31
Reported value
$141M
Holdings
12
Top 10 weight
96.88%
New
3
Sold out
2

Largest buys vs the previous quarter

SecurityShares changeApprox. value
OHIadded+202,040$8.85M
MUnew+23,047$7.79M
ELANnew+147,816$3.54M
SREnew+35,666$3.47M
SGIadded+38,426$2.84M

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
CVSreduced-174,643-$12.5M
APHreduced-92,622-$11.7M
RCLexited-40,000-$11.2M
AZOexited-2,118-$7.18M
AVGOreduced-18,765-$5.81M

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, Q1 2026

Share positions as resolved from 13F-HR 0001807092-26-000007, largest first. % of portfolio is the value over $140,993,511, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
ASMLASML HLDG NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 20,234 shares; 2025Q4: 31,261 shares; 2026Q1: 31,261 shares 31,261$41.3M29.29%0Timeline
OHIOMEGA HEALTHCARE INVS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 339,098 shares; 2026Q1: 541,138 shares 541,138$23.7M16.82%+202,040Timeline
PATKPATRICK INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 100,000 shares; 2025Q3: 150,000 shares; 2025Q4: 150,000 shares; 2026Q1: 150,000 shares 150,000$16.7M11.82%0Timeline
CVSCVS HEALTH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 260,000 shares; 2025Q2: 260,000 shares; 2025Q3: 357,000 shares; 2025Q4: 357,000 shares; 2026Q1: 182,357 shares 182,357$13.1M9.29%-174,643Timeline
SGISOMNIGROUP INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 101,440 shares; 2026Q1: 139,866 shares 139,866$10.3M7.33%+38,426Timeline
IBPINSTALLED BLDG PRODS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 24,743 shares; 2025Q3: 32,277 shares; 2025Q4: 32,277 shares; 2026Q1: 32,277 shares 32,277$8.56M6.07%0Timeline
AMDADVANCED MICRO DEVICES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 52,370 shares; 2025Q3: 60,000 shares; 2025Q4: 60,000 shares; 2026Q1: 40,000 shares 40,000$8.14M5.77%-20,000Timeline
MUMICRON TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 23,047 shares 23,047$7.79M5.52%newTimeline
ELANELANCO ANIMAL HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 147,816 shares 147,816$3.54M2.51%newTimeline
AVGOBROADCOM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 155,471 shares; 2024Q4: 70,000 shares; 2025Q1: 48,950 shares; 2025Q2: 38,950 shares; 2025Q3: 33,955 shares; 2025Q4: 30,000 shares; 2026Q1: 11,235 shares 11,235$3.48M2.47%-18,765Timeline
SRESEMPRAQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 35,666 shares 35,666$3.47M2.46%newTimeline
APHAMPHENOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 190,000 shares; 2024Q4: 160,000 shares; 2025Q1: 138,700 shares; 2025Q2: 138,700 shares; 2025Q3: 130,000 shares; 2025Q4: 100,000 shares; 2026Q1: 7,378 shares 7,378$932K0.66%-92,622Timeline

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
RCLROYAL CARIBBEAN GROUP40,000$11.2Mshares
AZOAUTOZONE INC2,118$7.18Mshares

How Q1 2026 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 0001807092-26-000007 base2026-05-14acceptance time not in the bulk data set