EcoR1 Capital’s Fastenal FAST Stock Holding History

EcoR1 Capital’s Portfolio FAST Stock Details FAST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q1	–	Sell	-10,148,104	Closed	-$6.37M	–	37
2016 Q4	$6.37M	Buy	+10,148,104	New	+$111M	2.03%	16

Other funds holding FAST

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

RCG

Ruane, Cunniff & Goldfarb New York $6.43B AUM 18.44% 1-Year Est. Return

WRF

Waddell & Reed Financial Overland Park, Kansas $48.6B AUM 84.78% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

EcoR1 Capital's FAST Position: Q1 2017 in Review

EcoR1 Capital sold out of Fastenal (FAST) in Q1 2017, closing a stake of 10,148,104 shares — an estimated $6.37M sold.

EcoR1 Capital first reported a position in FAST in Q4 2016 and held it in 1 quarter. The position peaked at $6.37M in Q4 2016. 644 funds tracked by Wall St. Rank hold FAST as of Q1 2017.

EcoR1 Capital reported no remaining Fastenal position as of Q1 2017 after selling out during the quarter.
EcoR1 Capital sold 10,148,104 Fastenal shares in Q1 2017, an estimated $6.37M.
EcoR1 Capital first reported a position in Fastenal in Q4 2016 and held it in 1 quarter.
EcoR1 Capital's Fastenal position peaked at $6.37M in Q4 2016.
644 funds tracked by Wall St. Rank held Fastenal as of Q1 2017.

Based on EcoR1 Capital's 13F filing for Q1 2017, filed 15 May 2017.