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Aura Biosciences
AURA

117 hedge funds and large institutions have $274M invested in Aura Biosciences in 2025 Q4 according to their latest regulatory filings, with 19 funds opening new positions, 34 increasing their positions, 38 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

138% more first-time investments, than exits

New positions opened: 19 | Existing positions closed: 8

10% more funds holding

Funds holding: 106 → 117 (+11)

4.04% less ownership

Funds ownership: 83.14% → 79.11% (-4%)

11% less repeat investments, than reductions

Existing positions increased: 34 | Existing positions reduced: 38

14% less capital invested

Capital invested by funds: $319M → $274M (-$45.4M)

33% less funds holding in top 10

Funds holding in top 10: 3 → 2 (-1)

Holders
117
Holders Change
+11
Holders Change %
+10.38%
% of All Funds
1.42%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
19
Increased
34
Reduced
38
Closed
8
Calls
$8K
Puts
–
Net Calls
+$8K
Net Calls Change
+$4K

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$2.57M
2
BlackRock
BlackRock
New York
+$920K
3
Bank of America
Bank of America
North Carolina
+$766K
4
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$489K
5
Citadel Advisors
Citadel Advisors
Florida
+$407K

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$4.31M
2
SB
Samsara BioCapital
California
-$3.61M
3
LCS
Levin Capital Strategies
New York
-$3.51M
4
CP
Caligan Partners
New York
-$1.4M
5
DC
Decheng Capital
California
-$921K
Name Holding Trade Value Shares
Change 		Change in
Stake
MCMC
1
Matrix Capital Management Company
New Hampshire
$37.7M – – –
FLSM
2
Frazier Life Sciences Management
California
$27.8M – – –
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$26.6M – – –
LFCM
4
Long Focus Capital Management
Puerto Rico
$25.2M – – –
SCM
5
Suvretta Capital Management
New York
$23.8M – – –
BlackRock
6
BlackRock
New York
$19.4M +$920K +154,947 +5%
MVM
7
Medicxi Ventures Management
Jersey
$16.6M – – –
Vanguard Group
8
Vanguard Group
Pennsylvania
$16M +$273K +46,035 +2%
Franklin Resources
9
Franklin Resources
California
$12M -$2.92K -492 -0%
NCM
10
Nantahala Capital Management
Connecticut
$11.5M – – –
Geode Capital Management
11
Geode Capital Management
Massachusetts
$6.85M -$14.8K -2,497 -0.2%
LCS
12
Levin Capital Strategies
New York
$5.64M -$3.51M -591,688 -36%
State Street
13
State Street
Massachusetts
$5.05M +$283K +47,663 +5%
Millennium Management
14
Millennium Management
New York
$3.36M +$2.57M +432,117 +233%
ACA
15
Acorn Capital Advisors
New York
$3.25M – – –
BGI
16
B Group Inc
Texas
$3.12M – – –
RCM
17
Regency Capital Management
Hawaii
$2.94M -$440K -74,105 -12%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$2.82M +$123K +20,641 +4%
T. Rowe Price Associates
19
T. Rowe Price Associates
Maryland
$2.42M -$228K -38,442 -8%
Northern Trust
20
Northern Trust
Illinois
$2.25M -$124K -20,832 -5%
DC
21
Decheng Capital
California
$1.96M -$921K -155,072 -30%
Morgan Stanley
22
Morgan Stanley
New York
$1.19M +$237K +39,902 +22%
UBS Group
23
UBS Group
Switzerland
$935K -$4.31M -725,172 -81%
Bank of America
24
Bank of America
North Carolina
$900K +$766K +129,002 +357%
Renaissance Technologies
25
Renaissance Technologies
New York
$791K +$283K +47,592 +49%
1
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AURA Hedge Fund Activity: Q4 2025 in Review

117 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Aura Biosciences (AURA) for Q4 2025, worth a combined $274M — down 14% from $319M a quarter earlier.

Buyers outnumbered sellers: 19 funds opened new AURA positions and 8 closed out — a net gain of 11 holders — while 34 added to existing stakes and 38 trimmed.

The largest buyer was Millennium Management, adding an estimated $2.57M. The largest seller was UBS Group, cutting an estimated $4.31M.

  • 117 institutional investors held Aura Biosciences (AURA) as of Q4 2025, up from 106 in Q3 2025.
  • Funds reported $274M of Aura Biosciences stock for Q4 2025, down 14% quarter-over-quarter.
  • 19 funds opened new Aura Biosciences positions in Q4 2025 and 8 closed out, a net change of +11 holders.
  • The largest Aura Biosciences buyer in Q4 2025 was Millennium Management, an estimated $2.57M added.
  • The largest Aura Biosciences seller in Q4 2025 was UBS Group, an estimated $4.31M sold.

Based on aggregated 13F filings for Q4 2025.