A.R.T. Advisors’s aTyr Pharma ATYR Stock Holding History

A.R.T. Advisors’s Portfolio ATYR Stock Details ATYR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-77	Closed	-$35K	–	1710
2018 Q3	$35K	Buy	77 +18	+31%	+$7.88K	﹤0.01%	1331
2018 Q2	$30K	Buy	+59	New	+$56K	﹤0.01%	1352
2017 Q1	–	Sell	-24	Closed	-$29K	–	1757
2016 Q4	$29K	Buy	+24	New	+$39.4K	﹤0.01%	1233
2016 Q3	–	Sell	-70	Closed	-$108K	–	1204
2016 Q2	$108K	Buy	70 +33	+89%	+$61.4K	0.01%	1195
2016 Q1	$81K	Buy	+37	New	+$113K	﹤0.01%	1269

Other funds holding ATYR

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Polaris Venture Management Co V Boston, Massachusetts $14.1M AUM 121.41% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return

Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return

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

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

GHCM

Glen Harbor Capital Management San Diego, California $4.82B AUM 4.69% 1-Year Est. Return

MCIM

Meadow Creek Investment Management Atlanta, Georgia $5.09B AUM 5.82% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

A.R.T. Advisors's ATYR Position: Q4 2018 in Review

A.R.T. Advisors sold out of aTyr Pharma (ATYR) in Q4 2018, closing a stake of 77 shares — an estimated $35K sold.

A.R.T. Advisors first reported a position in ATYR in Q1 2016 and held it in 5 quarters. The position peaked at $108K in Q2 2016. 25 funds tracked by Wall St. Rank hold ATYR as of Q4 2018.

A.R.T. Advisors reported no remaining aTyr Pharma position as of Q4 2018 after selling out during the quarter.
A.R.T. Advisors sold 77 aTyr Pharma shares in Q4 2018, an estimated $35K.
A.R.T. Advisors first reported a position in aTyr Pharma in Q1 2016 and held it in 5 quarters.
A.R.T. Advisors's aTyr Pharma position peaked at $108K in Q2 2016.
25 funds tracked by Wall St. Rank held aTyr Pharma as of Q4 2018.

Based on A.R.T. Advisors's 13F filing for Q4 2018, filed 14 Feb 2019.