Manager record

Palo Alto Investors LP

Palo Alto, CA · CIK 1306923 · EDGAR filings ↗

Cover-page record: Trade Filings parses every position for its tracked managers; for this filer it indexes the cover-page totals of each quarterly 13F report on SEC EDGAR.

$723.72MReported 13F valueQ2 2026 · as filed

52Holdings listed

+10.7%vs prior quartervalue change includes market moves

5Quarters on record

Aug 19Latest filed

Reported 13F value by quarter from the cover pages of this filer (live documents; sub-portfolio reports summed), with holdings listed beneath each bar.

Filing record

Aug 19 2026 13F-HR/A · period Q2 2026

$723.72M · 52 holdings listed · amendment (restatement) · View original SEC filing ↗

Aug 18 2026 13F-HR/A · period Q2 2026

$723.72M · 52 holdings listed · amendment (restatement) · View original SEC filing ↗

Aug 17 2026 13F-HR · period Q2 2026

$723.72M · 52 holdings listed · View original SEC filing ↗

May 15 2026 13F-HR · period Q1 2026

$653.86M · 51 holdings listed · View original SEC filing ↗

Feb 17 2026 13F-HR · period Q4 2025

$718.35M · 49 holdings listed · View original SEC filing ↗

Nov 14 2025 13F-HR · period Q3 2025

$540.39M · 44 holdings listed · View original SEC filing ↗

Aug 14 2025 13F-HR · period Q2 2025

$470.00M · 45 holdings listed · View original SEC filing ↗

Provenance: Cover-page totals from the quarterly 13F reports of this filer on SEC EDGAR; position-level holdings are parsed for tracked managers only. Reporting period: Q2 2026 · latest filing Aug 19, 2026 · Change methodology

☆ Palo Alto Investors LP

Palo Alto Investors LP