SEC 13F Intelligence

Palo Alto Investors LP / ALDR1EUR

Palo Alto Investors LP’s Alder Biopharmaceuticals Inc Position

Does Palo Alto Investors LP own Alder Biopharmaceuticals Inc (ALDR1EUR)? Not currently — the last reported position was 1.86M shares worth $35M in Q3 2019; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$35M
Q3 2019
Shares
1.86M
% of Portfolio
+2.34%
Quarters Held
4
position exited

Position History ALDR1EUR

Reported value by quarter
Q4 ’18: $19MQ4 ’18Q1 ’19: $25MQ1 ’19Q2 ’19: $22MQ2 ’19Q3 ’19: $35MQ3 ’19filingsflow.com
QuarterSharesValue% of Portfolio
Q3 20191.86M$35M+2.34%
Q2 20191.86M$22M+1.07%
Q1 20191.86M$25M+1.06%
Q4 20181.86M$19M+1.02%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Palo Alto Investors LP’s full portfolio or all institutional holders of ALDR1EUR.