Palo Alto Investors LP
All 13F Filings
- Location
- Palo Alto, CA
- Most recent 13F
- Q4 2025
- Holdings value ($000)
- 718,352
- Description
- —
- Website
- —
- Founded
- —
- Chairman
- —
- CEO
- —
- All SEC filings
- View on sec.gov
Sector allocation over time (stocks only)
Stacked by quarter. Hover to see detailed sector breakdown for any quarter.
| Quarter | Date Filed | Holdings | Value ($000) | Form Type | Name |
|---|---|---|---|---|---|
| Q4 2025 | 2/17/2026 | 49 | 718,352 | 13F-HR | Palo Alto Investors LP |
| Q3 2025 | 11/14/2025 | 44 | 540,390 | 13F-HR | Palo Alto Investors LP |
| Q2 2025 | 8/14/2025 | 45 | 469,997 | 13F-HR | Palo Alto Investors LP |
| Q1 2014 | 5/16/2014 | 39 | 1,210,103 | 13F-HR/A - NEW HOLDINGS | Palo Alto Investors, LLC |
| Q1 2014 | 5/15/2014 | 35 | 1,208,816 | 13F-HR | Palo Alto Investors, LLC |
| Q4 2013 | 2/13/2014 | 34 | 1,072,011 | 13F-HR | Palo Alto Investors, LLC |
Swipe for more columns
Money flow by instrument (QoQ, ex-options)
| Type | Value ($000) | Share % | Inflow | Outflow | Net |
|---|---|---|---|---|---|
| Stocks | 718.4 K | 100.0% | 178 K | 0 | 178 K |
Swipe for more columns
Fund Snapshot
Q4 2025
Latest filed
2/17/2026
Total value ($000)
718,352
Holdings
49
QoQ value change ($000)
177,962
(32.9%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology:
sector allocation is stocks-only;
instrument flow table is ex-options;
options exposure is shown separately.
Details.