Jane Street
RUBY

Jane Street’s Rubius Therapeutics, Inc RUBY Stock Holding History

Jane Street’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
2022
Q4 		– Sell
-11,500
Closed -$5K – 10563
2022
Q3 		$5K Buy
+11,500
New +$8.62K ﹤0.01% 9450
2021
Q4 		– Sell
-15,000
Closed -$268K – 11066
2021
Q3 		$268K Sell
15,000
-25,500
-63% -$555K ﹤0.01% 8404
2021
Q2 		$989K Buy
40,500
+23,100
+133% +$578K ﹤0.01% 5873
2021
Q1 		$461K Buy
+17,400
New +$254K ﹤0.01% 6950

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
HP
Harbourvest Partners Boston, Massachusetts $101M AUM 38.13% 1-Year Est. Return
SOMRS
State of Michigan Retirement System Lansing, Michigan $18.9B AUM 27.96% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's RUBY Position: Q4 2022 in Review

Jane Street sold out of Rubius Therapeutics, Inc (RUBY) in Q4 2022, closing a stake of 23,784 shares — an estimated $10K sold.

Jane Street first reported a position in RUBY in Q3 2020 and held it in 6 quarters. The position peaked at $2.19M in Q1 2021. 42 funds tracked by Wall St. Rank hold RUBY as of Q4 2022.

  • Jane Street reported no remaining Rubius Therapeutics, Inc position as of Q4 2022 after selling out during the quarter.
  • Jane Street sold 23,784 Rubius Therapeutics, Inc shares in Q4 2022, an estimated $10K.
  • Jane Street first reported a position in Rubius Therapeutics, Inc in Q3 2020 and held it in 6 quarters.
  • Jane Street's Rubius Therapeutics, Inc position peaked at $2.19M in Q1 2021.
  • 42 funds tracked by Wall St. Rank held Rubius Therapeutics, Inc as of Q4 2022.

Based on Jane Street's 13F filing for Q4 2022, filed 15 Feb 2023.