Palo Alto Investors LP

-

Assets, Funds, Holdings

Home | Sign Up | Log In
List of Funds
Boston Firms
Boston Hedge Funds
Cornell Alumni Firms
CalPERS Portfolio
NYSCRF Portfolio
User Guide
Regulatory AUM vs AUM
LP Portfolios
Related Firms
Build a Portfolio
Comprehensive Search
Palo Alto Investors LP
CRD #109171
SEC #801-58166
CIK #0001012084, 0001306923
AUM $696.0 M (2026-03-27)
Employees 10 (40% Investors, 0% Brokers)
Phone650-325-0772
Address101 University Ave
Palo Alto, CA 94301-1638
Source [IAPD] [EDGAR] [Website]
Total AUM ($B)
3.02.41.81.20.60.01999200820172027
Sector Form 13F Holdings Value ($B)
Insmed Inc 0.1
Acadia Pharmaceuticals Inc 0.1
PTC Therapeutics Inc 0.1
BioMarin Pharmaceutical Inc 0.0
United Therapeutics Corp 0.0
Anaptysbio Inc 0.0
Mirum Pharmaceuticals Inc 0.0
Dyne Therapeutics Inc 0.0
Biogen IDEC Inc 0.0
FS Development Corp 0.0
View All
Holdings by Sector ($B)
3.02.41.81.20.60.02011201620212027
Type Form D Funds Date Sold ($M) AUM ($M)
HF Palo Alto PE Fund LP [2015-05-15] 1.0 3.0
HF Lagunita LP [2015-02-26] 11.8 203.0
HF Palo Alto Micro Cap Liquidating Fund LP [2014-04-11] 0.0 2.9
HF Micro Cap Partners LP 2012-03-30 84.0
HF Palo Alto Advanced Life Sciences Master Fund LP [2012-03-30] 167.3 87.0
HF Palo Alto Crossover Fund LP 2012-03-30 0.1
HF Palo Alto Energy Master Fund LP 2012-03-30 13.0
HF Palo Alto Fund II LP 2012-03-30 6.0
HF Palo Alto Global Energy Liquidating Fund LP [2012-03-30] 0.0 8.3
HF Palo Alto Healthcare Master Fund II LP [2012-03-30] 228.4 280.0
View All
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 13 0.7
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 13 0.7
By Discretionary
Discretionary 13 0.7
Non-Discretionary 0 0.0
Total 13 0.7
By Non-United States Persons
Non-United States Persons 0.0
United States Persons 0.7
Total 13 0.7
Limited Partners2011 - 2026
State Board of Administration of Florida
Teachers' Retirement Security for Illinois Educators
Form D Directors Role # Filings # Firms 2011 - 2026
Ronan Guilfoyle 357 108
Roger Hanson 255 86
Cary Marr 115 32
Jonathan Roney 97 18
Scott Smith 104 4
Mark Shamia 14 4
Patrick Lee 27 2
William Edwards 19 2
Palo Alto Investors LLC 16 2
Anthony Yun 16 2
View All
EDGAR Form CIK 2011 - 2026
3 [0001012084]
13F-HR [0001306923]
3 [0001306923]
4 [0001306923]
SC 13D [0001306923]
SC 13G [0001306923]
Form 13D/13G Filer Form 13D/13G Subject Filed
Palo Alto Investors LP Ehealth Inc [2026-02-17]
Palo Alto Investors LP Palo Alto Investors LP [2020-02-14]
Palo Alto Investors LP Aimmune Therapeutics Inc [2020-02-14]
Palo Alto Investors LLC Karyopharm Therapeutics Inc [2016-02-16]
Palo Alto Investors LLC Epizyme Inc [2016-02-16]
Palo Alto Investors LLC Sunesis Pharmaceuticals Inc [2016-02-16]
Palo Alto Investors LLC Clovis Oncology Inc [2015-02-18]
Palo Alto Investors LLC Insmed Inc [2015-02-18]
Palo Alto Investors LLC Staar Surgical Co [2015-02-18]
Palo Alto Investors LLC Clovis Oncology Inc [2015-02-18]
View All
Form 3/4/5 Subject 2011 - 2026
Alimera Sciences Inc
Palo Alto Investors LP
Palo Alto Investors
Palo Alto Healthcare Master Fund LP
Palo Alto Healthcare Fund LP
Palo Alto Healthcare Fund II L P
Comparable Firms State AUM ($B)
Waystone Asset Management USA LLC
IL 0.7
Seneca Management LLC
CO 0.7
Olympus Peak Asset Management LP
CT 0.7
Maltese Capital Management LLC
NY 0.7
Newpoint Real Estate Investment Management LLC
NY 0.7
AW Jones Advisors LLC
NY 0.7
Archer Capital Group Management LLC
CA 0.7
M37 Management LP
CA 0.7
Altum Capital Management LLC
NY 0.6
Standard General LP
NY 0.6
Terms | Privacy | Guide
tony@aum13f.com