ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018
Shares 124,177 Value ($000) $1,962 Avg Close — Range —
Q1 2018
Shares 122,900 Value ($000) $1,561 Avg Close — Range —
Q4 2017
Shares 353,100 Value ($000) $4,043 Avg Close — Range —
Q3 2017
Shares 440,488 Value ($000) $5,396 Avg Close — Range —
Q4 2015
Shares 45,355 Value ($000) $1,498 Avg Close — Range —
Q3 2015
Shares 38,000 Value ($000) $1,245 Avg Close — Range —
Q2 2015
Shares 53,358 Value ($000) $2,826 Avg Close — Range —
Q1 2015
Shares 41,400 Value ($000) $1,195 Avg Close — Range —
Q4 2014
Shares 12,202 Value ($000) $355 Avg Close — Range —
Q3 2014
Shares 12,914 Value ($000) $164 Avg Close — Range —