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RNAM

Avidity Biosciences
RNAM

Delisted

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

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343 hedge funds and large institutions have $10.8B invested in Avidity Biosciences in 2025 Q4 according to their latest regulatory filings, with 157 funds opening new positions, 70 increasing their positions, 86 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

267% more funds holding in top 10

Funds holding in top 10: 9 → 33 (+24)

94% more first-time investments, than exits

New positions opened: 157 | Existing positions closed: 81

54% more capital invested

Capital invested by funds: $7.01B → $10.8B (+$3.79B)

26% more funds holding

Funds holding: 272 → 343 (+71)

10.95% less ownership

Funds ownership: 110.32% → 99.37% (-11%)

19% less repeat investments, than reductions

Existing positions increased: 70 | Existing positions reduced: 86

76% less call options, than puts

Call options by funds: $64.3M | Put options by funds: $264M

Holders
343
Holders Change
+71
Holders Change %
+26.1%
% of All Funds
4.17%
Holding in Top 10
33
Holding in Top 10 Change
+24
Holding in Top 10 Change %
+266.67%
% of All Funds
0.4%
New
157
Increased
70
Reduced
86
Closed
81
Calls
$64.3M
Puts
$264M
Net Calls
-$199M
Net Calls Change
-$237M

Top Buyers

Rank Fund Capital Flow
1
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$390M
2
PCM
Pentwater Capital Management
Florida
+$389M
3
HI
HBK Investments
Texas
+$282M
4
UOC
UBS O'Connor
Illinois
+$240M
5
BlackRock
BlackRock
New York
+$236M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$1.38B
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$623M
3
Wellington Management Group
Wellington Management Group
Massachusetts
-$603M
4
RI
RTW Investments
New York
-$496M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$490M
Name Holding Trade Value Shares
Change 		Change in
Stake
M&T Bank
251
M&T Bank
New York
$305K +$273K +4,227 New
EF
252
Empowered Funds
Pennsylvania
$303K +$271K +4,196 New
AC
253
Armistice Capital
New York
$300K +$269K +4,159 New
SSG
254
Summit Securities Group
New York
$289K +$258K +4,000 New
IA
255
IFP Advisors
Florida
$287K -$904 -14 -0.4%
Amundi
256
Amundi
France
$284K +$254K +3,939 New
ZCP
257
Z3 Capital Partners
Virginia
$274K +$245K +3,800 New
Nisa Investment Advisors
258
Nisa Investment Advisors
Missouri
$263K -$14.6K -226 -6%
AB
259
Amalgamated Bank
New York
$262K +$21.5K +333 +10%
FFM
260
Forum Financial Management
Illinois
$253K +$226K +3,504 New
GI
261
GAMCO Investors
Connecticut
$252K +$226K +3,500 New
HNWAG
262
High Net Worth Advisory Group
Florida
$252K +$226K +3,500 New
RWM
263
Ritholtz Wealth Management
New York
$252K +$225K +3,488 New
Mitsubishi UFJ Asset Management
264
Mitsubishi UFJ Asset Management
Japan
$245K -$264K -4,080 -55%
MG
265
Marex Group
$243K -$3.14M -48,629 -94%
KBC Group
266
KBC Group
Belgium
$243K – – –
EGM
267
Engineers Gate Manager
New York
$238K +$213K +3,298 New
QCG
268
Quadrant Capital Group
Ohio
$231K +$194 +3 +0.1%
FCM
269
Fieldview Capital Management
Michigan
$227K +$203K +3,149 New
VanEck Associates
270
VanEck Associates
New York
$220K +$137K +2,120 +229%
PAG
271
Private Advisor Group
New Jersey
$216K -$111K -1,713 -36%
BC
272
BIT Capital
Germany
$216K +$194K +3,000 New
OGC
273
One68 Global Capital
New York
$216K +$194K +3,000 New
SC
274
Shay Capital
New York
$216K +$194K +3,000 New
GFM
275
GF Fund Management
China
$214K +$12.5K +193 +7%
9 10
11
12 13

RNAM Hedge Fund Activity: Q4 2025 in Review

343 of the 8,225 institutional investors tracked by Wall St. Rank reported a position in Avidity Biosciences (RNAM) for Q4 2025, worth a combined $10.8B — up 54% from $7.01B a quarter earlier.

Buyers outnumbered sellers: 157 funds opened new RNAM positions and 81 closed out — a net gain of 76 holders — while 70 added to existing stakes and 86 trimmed.

The largest buyer was Balyasny Asset Management, opening a new position worth an estimated $390M. The largest seller was Fidelity Investments, cutting an estimated $1.38B.

  • 343 institutional investors held Avidity Biosciences (RNAM) as of Q4 2025, up from 272 in Q3 2025.
  • Funds reported $10.8B of Avidity Biosciences stock for Q4 2025, up 54% quarter-over-quarter.
  • 157 funds opened new Avidity Biosciences positions in Q4 2025 and 81 closed out, a net change of +76 holders.
  • The largest Avidity Biosciences buyer in Q4 2025 was Balyasny Asset Management, an estimated $390M added.
  • The largest Avidity Biosciences seller in Q4 2025 was Fidelity Investments, an estimated $1.38B sold.

Based on aggregated 13F filings for Q4 2025.