Avidity Biosciences, Inc. (RNA) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

3,149,785Shares held by institutions

$0Value of institutional holdings

105.88%Institutional ownership %

2.13%Shares Changed QoQ

205No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Avidity Biosciences, Inc. (NASDAQ:RNA) has 333 institutional investors that have filed 13F reports for the period ending December 2025.

Their combined ownership stood at 102.3% of outstanding shares in December 2025, down from 118.9% in September 2025.
They increased total shares held in Avidity Biosciences by 12.85% from last quarter, and the number of investors in RNA increased 42.92% annually.
Among the 333 funds, 220 bought more Avidity Biosciences shares, 83 sold down, and 30 held their ground.
Institutional investors collectively held 141.1Mn shares in Avidity Biosciences as of December 2025, up by 16.06Mn shares quarter on quarter, and up 11.31Mn shares year over year.
As of December 31, 2025, VANGUARD GROUP INC held the largest stake in Avidity Biosciences with 13.65Mn shares, accounting for 9.9% of total shares outstanding.
The most significant purchases of RNA for the quarter ending December 2025 came from BALYASNY ASSET MANAGEMENT L.P. (6.04Mn), Pentwater Capital Management LP (6.03Mn), HBK INVESTMENTS L P (4.36Mn), BlackRock, Inc. (3.65Mn), NORGES BANK (3.05Mn).
Leading sellers of Avidity Biosciences shares for the quarter ending December 2025 were FMR LLC (21.4Mn), WELLINGTON MANAGEMENT GROUP LLP (9.34Mn), Janus Henderson Group Plc (7.58Mn), Bank Of America Corp /De/ (2.74Mn), Avoro Capital Advisors LLC (2.19Mn).
Avidity Biosciences's 10 largest shareholders as of December 2025 include VANGUARD GROUP INC (13.65Mn), BlackRock, Inc. (12.85Mn), RA CAPITAL MANAGEMENT, L.P. (8.64Mn), Janus Henderson Group Plc (6.94Mn), BALYASNY ASSET MANAGEMENT L.P. (6.04Mn), Pentwater Capital Management LP (6.03Mn), Avoro Capital Advisors LLC (5.46Mn), HBK INVESTMENTS L P (4.36Mn), State Street Corp (4.1Mn), Goldman Sachs Group Inc (3.78Mn) per Business Quant data.

333 Institutional Holders

3,149,785 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	3,648,222	39.64%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	429,491	3.25%	$0.00
Avoro Capital Advisors LLC	31 Dec, 2025	3,265,000	42.71%	$0.00
RA CAPITAL MANAGEMENT, L.P.	31 Dec, 2025	0	0.00%	$0.00
Bellevue Group AG	31 Dec, 2025	478,107	22.21%	$0.00
Barclays Plc	31 Dec, 2025	-76,783	-12.63%	$0.00
Janus Henderson Group Plc	31 Dec, 2025	-7,583,412	-52.22%	$0.00
UBS Group AG	31 Dec, 2025	1,040,953	79.11%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	65,458	0.00%	$0.00
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	6,040,590	0.00%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	1,105,830	0.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	565	147.52%	$0.00
Pentwater Capital Management LP	31 Dec, 2025	6,026,500	0.00%	$0.00
ADAR1 Capital Management, LLC	31 Dec, 2025	1,039,412	1,937.18%	$0.00
HBK INVESTMENTS L P	31 Dec, 2025	4,365,000	0.00%	$0.00
KRYGER CAPITAL Ltd	31 Dec, 2025	1,045,320	0.00%	$0.00
State Street Corp	31 Dec, 2025	-790,747	-16.18%	$0.00
Frazier Life Sciences Management, L.P.	31 Dec, 2025	358,125	57.30%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	2,044,316	118.00%	$0.00
Man Group plc	31 Dec, 2025	868,827	2,950.18%	$0.00

1 - 20 of 333

Research Tools