SPARK THERAPEUTICS INC

CUSIP: 84652J103 Class: COM

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q4 2018
Shares 507,941 Value ($000) $19,881 Avg Close — Range —
Q3 2018
Shares 513,140 Value ($000) $27,992 Avg Close — Range —
Q2 2018
Shares 526,044 Value ($000) $43,535 Avg Close — Range —
Q1 2018
Shares 532,259 Value ($000) $35,443 Avg Close — Range —
Q4 2017
Shares 548,189 Value ($000) $28,188 Avg Close — Range —
Q1 2017
Shares 6,887 Value ($000) $367 Avg Close — Range —
Q4 2016
Shares 6,908 Value ($000) $345 Avg Close — Range —
Q3 2016
Shares 11,495 Value ($000) $690 Avg Close — Range —
Q2 2016
Shares 11,498 Value ($000) $588 Avg Close — Range —
Q3 2015
Shares 11,802 Value ($000) $492 Avg Close — Range —
Q2 2015
Shares 192,216 Value ($000) $11,585 Avg Close — Range —
Q1 2015
Shares 456,604 Value ($000) $35,387 Avg Close — Range —