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RNAM

Avidity Biosciences
RNAM

Delisted

RNAM was delisted on the 26th of February, 2026.

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220 hedge funds and large institutions have $3.99B invested in Avidity Biosciences in 2025 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 98 increasing their positions, 65 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

51% more repeat investments, than reductions

Existing positions increased: 98 | Existing positions reduced: 65

13% more funds holding in top 10

Funds holding in top 10: 8 → 9 (+1)

7% more capital invested

Capital invested by funds: $3.71B → $3.99B (+$274M)

4.7% more ownership

Funds ownership: 106.99% → 111.68% (+4.7%)

7% less funds holding

Funds holding: 236 → 220 (-16)

32% less first-time investments, than exits

New positions opened: 30 | Existing positions closed: 44

70% less call options, than puts

Call options by funds: $9.04M | Put options by funds: $30.3M

Holders
220
Holders Change
-16
Holders Change %
-6.78%
% of All Funds
2.95%
Holding in Top 10
9
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+12.5%
% of All Funds
0.12%
New
30
Increased
98
Reduced
65
Closed
44
Calls
$9.04M
Puts
$30.3M
Net Calls
-$21.3M
Net Calls Change
-$19.9M

Top Buyers

Rank Fund Capital Flow
1
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$136M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$49.2M
3
Bank of America
Bank of America
North Carolina
+$43.5M
4
RI
RTW Investments
New York
+$25.4M
5
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$24M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$27.9M
2
BCM
Boxer Capital Management
California
-$26.9M
3
Morgan Stanley
Morgan Stanley
New York
-$21.4M
4
CAM
Cormorant Asset Management
Massachusetts
-$20.2M
5
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$18.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
OAM
151
Oppenheimer Asset Management
New York
$226K +$238K +7,657 New
DIM
152
DLK Investment Management
California
$224K – – –
SP
153
SIH Partners
Delaware
$222K +$235K +7,533 New
VPIM
154
Vanguard Personalized Indexing Management
California
$218K +$230K +7,373 New
AWA
155
Aaron Wealth Advisors
Illinois
$213K -$27.9K -897 -11%
Mackenzie Financial
156
Mackenzie Financial
Ontario, Canada
$213K +$224K +7,205 New
MG
157
Marex Group
$207K – – –
DWT
158
Dorsey & Whitney Trust
South Dakota
$206K – – –
Mitsubishi UFJ Asset Management
159
Mitsubishi UFJ Asset Management
Japan
$181K +$16K +514 +9%
SO
160
STRS Ohio
Ohio
$180K -$162K -5,200 -46%
US Bancorp
161
US Bancorp
Minnesota
$161K -$34.3K -1,100 -17%
VIA
162
Virtus Investment Advisers
Connecticut
$143K +$151K +4,860 New
KBC Group
163
KBC Group
Belgium
$132K – – –
Russell Investments Group
164
Russell Investments Group
United Kingdom
$129K +$81.6K +2,621 +149%
AB
165
Amalgamated Bank
New York
$116K +$13K +418 +12%
Nisa Investment Advisors
166
Nisa Investment Advisors
Missouri
$108K +$7.44K +239 +7%
IA
167
IFP Advisors
Florida
$95.7K +$55.7K +1,787 +123%
QCG
168
Quadrant Capital Group
Ohio
$93.6K -$280 -9 -0.3%
GFM
169
GF Fund Management
China
$90.2K +$17.1K +550 +22%
BAMF
170
BI Asset Management Fondsmaeglerselskab
Denmark
$78K -$1.63M -52,463 -95%
GI
171
GAMMA Investing
California
$66.3K +$8.63K +277 +14%
Daiwa Securities Group
172
Daiwa Securities Group
Japan
$65K -$2.06K -66 -3%
PA
173
Parallel Advisors
California
$50.3K +$16K +515 +43%
S
174
SignatureFD
Georgia
$46.6K +$2.24K +72 +5%
CCM
175
Coldstream Capital Management
Washington
$41.9K +$44.3K +1,421 New
5 6
7
8 9

RNAM Hedge Fund Activity: Q1 2025 in Review

220 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Avidity Biosciences (RNAM) for Q1 2025, worth a combined $3.99B — up 7.4% from $3.71B a quarter earlier.

Sellers outnumbered buyers: 44 funds closed out of RNAM and 30 opened new positions — a net loss of 14 holders — while 65 trimmed existing stakes and 98 added.

The largest buyer was Janus Henderson Group, adding an estimated $136M. The largest seller was Fidelity Investments, cutting an estimated $27.9M.

  • 220 institutional investors held Avidity Biosciences (RNAM) as of Q1 2025, down from 236 in Q4 2024.
  • Funds reported $3.99B of Avidity Biosciences stock for Q1 2025, up 7.4% quarter-over-quarter.
  • 30 funds opened new Avidity Biosciences positions in Q1 2025 and 44 closed out, a net change of -14 holders.
  • The largest Avidity Biosciences buyer in Q1 2025 was Janus Henderson Group, an estimated $136M added.
  • The largest Avidity Biosciences seller in Q1 2025 was Fidelity Investments, an estimated $27.9M sold.

Based on aggregated 13F filings for Q1 2025.