EC
RUBY

EcoR1 Capital’s Rubius Therapeutics, Inc RUBY Stock Holding History

EcoR1 Capital’s Portfolio RUBY Stock Details RUBY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2020
Q1 		– Sell
-525,877
Closed -$5M – 65
2019
Q4 		$5M Buy
525,877
+265,725
+102% +$2.57M 0.47% 34
2019
Q3 		$2.04M Sell
260,152
-203,000
-44% -$2.37M 0.27% 30
2019
Q2 		$7.29M Sell
463,152
-183,076
-28% -$2.95M 0.75% 24
2019
Q1 		$11.7M Buy
646,228
+54,100
+9% +$830K 1.27% 26
2018
Q4 		$9.52M Hold
592,128
– – 1.1% 33
2018
Q3 		$14.2M Buy
+592,128
New +$13.5M 1.47% 24

Other funds holding RUBY

FP
Flagship Pioneering Cambridge, Massachusetts $1.16B AUM 67.93% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
AG
Artal Group Luxembourg $1.01B AUM 29.84% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
HP
Harbourvest Partners Boston, Massachusetts $101M AUM 38.13% 1-Year Est. Return