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Super Investors Watchtower Advisors, LP
WA

Watchtower Advisors, LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$180M
Positions
11
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (19 quarters reported)

$216M $101M
Q4 21 Q4 22 Q4 23 Q4 24 Q4 25 Q2 26

$155M in Q4 2021 → $180M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
AH Asml Hldg Nv 34.6% Unchanged 31,261 $62.2M
OH Omega Healthcare Invs Inc 14.4% Unchanged 541,138 $25.8M
Cvs Health Corp 10.5% Unchanged 182,357 $18.9M
Micron Technology Inc 7.7% Trimmed 48% 12,000 $13.9M
PI Patrick Inds Inc 7.5% Unchanged 150,000 $13.5M
Textron Inc 6.4% New 125,600 $11.5M
Sempra 5.9% Added 218% 113,500 $10.5M
IB Installed Bldg Prods Inc 4.1% Unchanged 32,277 $7.42M
N Nokia Corp 3.7% New 500,000 $6.64M
Elanco Animal Health Inc 3.0% Added 50% 221,725 $5.46M
Advanced Micro Devices Inc 2.2% Trimmed 83% 6,666 $3.87M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 13, 2026

Company Action Shares changed Value of change % of portfolio
Advanced Micro Devices Inc Trimmed −33,334 −$19.4M 2.2%
Micron Technology Inc Trimmed −11,047 −$12.8M 7.7%
Textron Inc New +125,600 +$11.5M 6.4%
Somnigroup International Inc Exited −139,866 −$10.3M —
Sempra Added +77,834 +$7.22M 5.9%
N Nokia Corp New +500,000 +$6.64M 3.7%
Broadcom Inc Exited −11,235 −$3.48M —
Elanco Animal Health Inc Added +73,909 +$1.82M 3.0%
Amphenol Corp Exited −7,378 −$932K —

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Cvs Health Corp Trimmed −174,643 −$12.5M 9.3%
Amphenol Corp Trimmed −92,622 −$11.7M 0.7%
RC Royal Caribbean Group Exited −40,000 −$11.2M —
OH Omega Healthcare Invs Inc Added +202,040 +$8.85M 16.8%
MT Micron Technoology Inc New +23,047 +$7.79M 5.5%
Autozone Inc Exited −2,118 −$7.18M —
Broadcom Inc Trimmed −18,765 −$5.81M 2.5%
Advanced Micro Devices Inc Trimmed −20,000 −$4.07M 5.8%
Elanco Animal Health Inc New +147,816 +$3.54M 2.5%
Sempra New +35,666 +$3.47M 2.5%

Showing the 10 largest of 11 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
Clean Harbors Inc Exited −76,144 −$17.7M —
OH Omega Healthcare Invs Inc New +339,098 +$15M 9.1%
AC Axis Cap Hldgs Ltd Exited −150,000 −$14.4M —
A Amrize Ltd Exited −284,416 −$13.8M —
AH Asml Holding N V Added +11,027 +$11.8M 20.2%
Appfolio Inc Exited −40,000 −$11M —
Builders Firstsource Inc Exited −75,000 −$9.09M —
Somnigroup International Inc New +101,440 +$9.06M 5.5%
LI Lennox Intl Inc Exited −15,059 −$7.97M —
Verona Pharma PLC Exited −70,000 −$7.47M —

Showing the 10 largest of 13 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 13, 2025

Company Action Shares changed Value of change % of portfolio
AH Asml Holding N V New +20,234 +$18.6M 8.7%
Clean Harbors Inc New +76,144 +$17.7M 8.2%
A Amrize Ltd New +284,416 +$13.8M 6.4%
AC Axis Cap Hldgs Ltd Trimmed −110,000 −$10.5M 6.7%
Cvs Health Corp Added +97,000 +$7.31M 12.6%
AF Atmus Filtration Technologie Exited −166,932 −$6.08M —
Appfolio Inc Trimmed −21,253 −$5.86M 5.1%
PI Patrick Inds Inc Added +50,000 +$5.17M 7.2%
OD Old Dominion Freight Line In Exited −23,175 −$3.76M —
Royalty Pharma PLC Exited −100,000 −$3.6M —

Showing the 10 largest of 17 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 13, 2025

Company Action Shares changed Value of change % of portfolio
HW Hilton Worldwide Hldgs Inc Exited −76,740 −$17.5M —
Appfolio Inc New +61,253 +$14.1M 8.3%
PI Patrick Inds Inc New +100,000 +$9.23M 5.5%
Advanced Micro Devices Inc New +52,370 +$7.43M 4.4%
Verona Pharma PLC Trimmed −75,338 −$7.13M 3.9%
Builders Firstsource Inc New +58,437 +$6.82M 4.0%
Klaviyo Inc Exited −185,050 −$5.6M —
IB Installed Bldg Prods Inc New +24,743 +$4.46M 2.6%
OD Old Dominion Freight Line In New +23,175 +$3.76M 2.2%
Royalty Pharma PLC New +100,000 +$3.6M 2.1%

Showing the 10 largest of 15 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 12, 2025

Company Action Shares changed Value of change % of portfolio
Ftai Aviation Ltd Exited −155,000 −$22.3M —
Cvs Health Corp New +260,000 +$17.6M 12.8%
Allegion PLC Exited −128,000 −$16.7M —
Verona Pharma PLC Trimmed −91,435 −$5.81M 6.7%
Slm Corp New +149,042 +$4.34M 3.1%
LI Lennox Intl Inc Trimmed −6,941 −$3.89M 6.1%
Broadcom Inc Trimmed −21,050 −$3.52M 5.9%
Klaviyo Inc Trimmed −110,639 −$3.35M 4.1%
GI Gates Indl Corp PLC New +107,500 +$1.98M 1.4%
AN Amphenol Corp New Trimmed −21,300 −$1.4M 6.6%

Showing the 10 largest of 11 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
AC Arch Cap Group Ltd Exited −214,764 −$24M —
Broadcom Inc Trimmed −85,471 −$19.8M 9.2%
Klaviyo Inc New +295,689 +$12.2M 6.9%
Verona Pharma PLC New +236,773 +$11M 6.2%
Danaher Corporation Exited −37,600 −$10.5M —
MH Medpace Hldgs Inc Trimmed −25,838 −$8.58M 1.0%
Chipotle Mexican Grill Inc Exited −125,000 −$7.2M —
HW Hilton Worldwide Hldgs Inc Trimmed −23,760 −$5.87M 10.7%
AN Amphenol Corp New Trimmed −30,000 −$2.08M 6.3%
LI Lennox Intl Inc Trimmed −2,578 −$1.57M 7.6%

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
HW Hilton Worldwide Hldgs Inc New +100,500 +$23.2M 10.7%
Broadcom Inc Added +127,751 +$22M 12.4%
Allegion PLC New +128,000 +$18.7M 8.6%
Ftai Aviation Ltd Added +100,674 +$13.4M 9.5%
Danaher Corporation New +37,600 +$10.5M 4.8%
RC Royal Caribbean Group New +55,215 +$9.79M 4.5%
Rxsight Inc Exited −134,705 −$8.11M —
AF Atmus Filtration Technologie New +193,466 +$7.26M 3.4%
Churchill Downs Inc Exited −27,874 −$3.89M —
Arcosa Inc New +28,509 +$2.7M 1.3%

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