RUBY

Rubius Therapeutics, Inc
RUBY

Overview Fund Activity
Delisted

RUBY was delisted on the 6th of March, 2023.

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86 hedge funds and large institutions have $462M invested in Rubius Therapeutics, Inc in 2020 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 32 increasing their positions, 18 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
86
Holders Change
+10
Holders Change %
+13.16%
% of All Funds
1.77%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.08%
New
23
Increased
32
Reduced
18
Closed
13
Calls
$268K
Puts
–
Net Calls
+$268K
Net Calls Change
+$267K

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$12.3M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$62.4M
3
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$2.22M
4
BlackRock
BlackRock
New York
$20M
5
MA
MYDA Advisors
New York
$1.76M

Top Sellers

1
Capital World Investors
Capital World Investors
California
$6.68M
2
AIM
ARK Investment Management
Florida
$0
3
Citadel Advisors
Citadel Advisors
Florida
$202K
4
Russell Investments Group
Russell Investments Group
United Kingdom
$302K
5
Nuveen Asset Management
Nuveen Asset Management
Illinois
$839K
Name Holding Trade Value Shares
Change 		Shares
Change %
FP
1
Flagship Pioneering
Massachusetts
$229M – – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$62.4M +$2.75M +459,724 +5%
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$25.4M -$13K -2,168 -0.1%
AG
4
Artal Group
Luxembourg
$23M -$188K -31,450 -0.8%
BlackRock
5
BlackRock
New York
$20M +$1.94M +324,154 +11%
Vanguard Group
6
Vanguard Group
Pennsylvania
$18.9M +$925K +154,697 +5%
AVM
7
Arch Venture Management
Illinois
$15.7M – – –
JPMorgan Chase & Co
8
JPMorgan Chase & Co
New York
$12.3M +$5.29M +884,463 +75%
Capital World Investors
9
Capital World Investors
California
$6.68M -$3.86M -645,598 -37%
HP
10
Harbourvest Partners
Massachusetts
$5.9M – – –
State Street
11
State Street
Massachusetts
$4.08M +$152K +25,469 +4%
Federated Hermes
12
Federated Hermes
Pennsylvania
$3.61M +$22.3K +3,725 +0.6%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$3.55M +$252K +42,122 +8%
AFM
14
Abbot Financial Management
Massachusetts
$3.37M – – –
Norges Bank
15
Norges Bank
Norway
$2.69M – – –
Northern Trust
16
Northern Trust
Illinois
$2.62M -$88.9K -14,866 -3%
Capital International Investors
17
Capital International Investors
California
$2.49M – – –
Jacobs Levy Equity Management
18
Jacobs Levy Equity Management
New Jersey
$2.22M +$2.22M +371,865 New
MA
19
MYDA Advisors
New York
$1.76M +$1.76M +263,500 New
Charles Schwab
20
Charles Schwab
California
$1.38M +$103K +17,219 +8%
Morgan Stanley
21
Morgan Stanley
New York
$1.32M +$949K +158,621 +258%
TCM
22
Tekla Capital Management
Massachusetts
$933K – – –
Renaissance Technologies
23
Renaissance Technologies
New York
$930K +$930K +155,500 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$904K +$120K +20,053 +15%
Nuveen Asset Management
25
Nuveen Asset Management
Illinois
$839K -$335K -55,955 -29%
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