Who Owns Avidity Biosciences, Inc. (RNA)?Hedge Fund & Institutional Holders

$13.83-0.71 (-4.88%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

Infinity%

QoQ Change in Holders

+8 / -11

Price History

$14.54$29.14$43.73$58.33$72.93Sep 24Jun 25Mar 26

RNA — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
BALYASNY ASSET MANAGEMENT L.P.New Position+6.0M+$435.0B
Pentwater Capital Management LPNew Position+6.0M+$434.7B
HBK INVESTMENTS L PNew Position+4.4M+$314.8B
GOLDMAN SACHS GROUP INCIncreased+2.0M+$195.5B
MILLENNIUM MANAGEMENT LLCIncreased+2.1M+$153.7B
ADAGE CAPITAL PARTNERS GP, L.L.C.Increased+1.4M+$136.7B
TIG Advisors, LLCNew Position+1.8M+$130.0B
UBS Group AGIncreased+1.0M+$112.7B
Bellevue Group AGIncreased+478K+$96.0B
Magnetar Financial LLCNew Position+1.2M+$83.6B
FIL LtdNew Position+1.1M+$82.0B
KRYGER CAPITAL LtdNew Position+1.0M+$75.4B
CITADEL ADVISORS LLCIncreased+693K+$74.8B
ALLIANCEBERNSTEIN L.P.Increased+923K+$69.6B
Westchester Capital Management, LLCNew Position+963K+$69.4B

RNA — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
RTW INVESTMENTS, LPClosed Position-11.4M-$495.5B
WELLINGTON MANAGEMENT GROUP LLPDecreased-9.3M-$387.5B
JANUS HENDERSON GROUP PLCDecreased-7.6M-$133.8B
Polar Capital Holdings PlcClosed Position-2.8M-$121.9B
Siren, L.L.C.Closed Position-1.3M-$56.0B
Fiera Capital CorpClosed Position-1.2M-$52.4B
Artisan Partners Limited PartnershipClosed Position-903K-$39.4B
SILVERARC CAPITAL MANAGEMENT, LLCClosed Position-845K-$36.8B
EcoR1 Capital, LLCClosed Position-765K-$33.3B
SUVRETTA CAPITAL MANAGEMENT, LLCClosed Position-750K-$32.7B
Clearbridge Investments, LLCClosed Position-742K-$32.3B
MARSHALL WACE, LLPDecreased-427K-$27.9B
BAKER BROS. ADVISORS LPClosed Position-625K-$27.2B
ORBIMED ADVISORS LLCDecreased-1.0M-$26.7B
Candriam S.C.A.Closed Position-488K-$21.3B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1JANUS HENDERSON GROUP PLC6,586,993$475.0B0.21%Share
2BALYASNY ASSET MANAGEMENT L.P.6,040,590$435.0B0.55%Share
3Pentwater Capital Management LP6,026,500$434.7B2.29%Share
4Avoro Capital Advisors LLC5,455,000$393.5B3.87%Share
5HBK INVESTMENTS L P4,365,000$314.8B2.47%Share
6GOLDMAN SACHS GROUP INC3,555,461$256.0B0.03%Share
7Bellevue Group AG2,630,969$189.8B3.60%Share
8ADAGE CAPITAL PARTNERS GP, L.L.C.2,630,966$189.0B0.29%Share
9MILLENNIUM MANAGEMENT LLC2,157,270$155.0B0.07%Share
10UBS Group AG1,905,769$137.5B0.02%Share
11TIG Advisors, LLC1,801,683$130.0B6.02%Share
12CITADEL ADVISORS LLC1,543,476$111.0B0.02%Share
13SUSQUEHANNA INTERNATIONAL GROUP, LLP1,427,100$102.0B0.01%Put
14CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,181,661$85.0B0.01%Share
15FIL Ltd1,144,000$82.0B0.06%Share
16KRYGER CAPITAL Ltd1,045,320$75.4B5.82%Share
17ALLIANCEBERNSTEIN L.P.1,047,410$75.0B0.02%Share
18Casdin Capital, LLC1,000,000$72.1B4.48%Share
19Frazier Life Sciences Management, L.P.983,125$70.9B1.90%Share
20NORTHERN TRUST CORP922,139$66.0B0.01%Share
21TANG CAPITAL MANAGEMENT LLC900,000$64.9B3.21%Share
22NEXPOINT ASSET MANAGEMENT, L.P.890,580$64.2B4.48%Share
23Magnetar Financial LLC873,103$63.0B0.62%Share
24Westchester Capital Management, LLC869,799$62.7B2.64%Share
25ALPINE ASSOCIATES MANAGEMENT INC.867,530$62.6B4.16%Share
26SOROS FUND MANAGEMENT LLC840,976$60.7B0.70%Share
27Sofinnova Investments, Inc.745,116$53.7B2.32%Share
28Slotnik Capital, LLC715,000$51.6B12.01%Share
29Woodline Partners LP671,623$48.0B0.19%Share
30WELLINGTON MANAGEMENT GROUP LLP665,453$47.0B0.01%Share
31ORBIMED ADVISORS LLC619,530$44.7B0.91%Share
32Neuberger Berman Group LLC622,428$44.0B0.03%Share
33HIGHBRIDGE CAPITAL MANAGEMENT LLC585,550$42.2B1.35%Share
34Sculptor Capital LP566,000$40.0B0.41%Share
35ADAR1 Capital Management, LLC546,534$39.4B2.85%Share
36Polar Asset Management Partners Inc.529,510$38.0B0.48%Share
37EVENTIDE ASSET MANAGEMENT, LLC524,643$37.8B0.59%Share
38BANK OF AMERICA CORP /DE/525,717$37.0B0.00%Share
39Logos Global Management LP500,000$36.1B2.18%Share
40Man Group plc463,848$33.0B0.06%Share
41CITIGROUP INC465,067$33.0B0.01%Share
42WESTFIELD CAPITAL MANAGEMENT CO LP471,127$33.0B0.14%Share
43ALETHEA CAPITAL MANAGEMENT, LLC446,127$32.2B15.62%Share
44JPMORGAN CHASE & CO450,000$32.0B0.00%Share
45CAXTON ASSOCIATES LLP442,307$31.0B0.61%Share
46Man Group plc434,429$31.0B0.05%Share
47UBS Group AG424,678$30.6B0.00%Share
48Slotnik Capital, LLC400,000$28.9B6.72%Put
49CITADEL ADVISORS LLC389,500$28.0B0.00%Put
50ODDO BHF ASSET MANAGEMENT SAS377,500$27.0B1.01%Share

RNA Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025338$5.8T+129
Q3 2025209$3.9T+32
Q2 2025177$2.2T-44
Q1 2025221$2.6T-8
Q4 2024229$2.0T+25
Q3 2024204$63.5T+41
Q2 2024163$41.2T+38
Q1 2024125$365.0T—

Similar Stocks by Institutional Ownership

LLY

Eli Lilly and Company

JNJ

Johnson & Johnson

ABBV

AbbVie Inc.

NVS

Novartis AG

AZN

AstraZeneca PLC

MRK

Merck & Co., Inc.

UNH

UnitedHealth Group Incorporated

AMGN

Amgen Inc.

As of Q4 2025, 50 institutional investors hold RNA (Avidity Biosciences, Inc.). The largest holder is JANUS HENDERSON GROUP PLC with $475.0B in shares. This quarter, 8 institutions opened new positions and 11 closed their positions.

Frequently Asked Questions

How many hedge funds own RNA?

As of Q4 2025, 50 institutional investors report holding RNA (Avidity Biosciences, Inc.) in their 13F filings.

Who is the largest institutional holder of RNA?

The largest institutional holder of RNA is JANUS HENDERSON GROUP PLC with $475.0B in shares.

Is institutional ownership of RNA increasing or decreasing?

This quarter, 8 institutions opened new positions in RNA and 11 closed their positions.