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Zura Bio

69 hedge funds and large institutions have $179M invested in Zura Bio in 2025 Q3 according to their latest regulatory filings, with 18 funds opening new positions, 15 increasing their positions, 25 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

383% more capital invested

Capital invested by funds: $37.1M → $179M (+$142M)

29% more first-time investments, than exits

New positions opened: 18 | Existing positions closed: 14

12.02% more ownership

Funds ownership: 51.65%63.67% (+12%)

6% more funds holding

Funds holding: 6569 (+4)

39% less call options, than puts

Call options by funds: $373K | Put options by funds: $610K

40% less repeat investments, than reductions

Existing positions increased: 15 | Existing positions reduced: 25

Holders
69
Holders Change
+4
Holders Change %
+6.15%
% of All Funds
0.91%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
% of All Funds
0.03%
New
18
Increased
15
Reduced
25
Closed
14
Calls
$373K
Puts
$610K
Net Calls
-$237K
Net Calls Change
-$237K
Name Holding Trade Value Shares
Change
Change in
Stake
SCM
1
Suvretta Capital Management
New York
$23.7M +$1.1M +611,952 +13%
VA
2
VR Adviser
New York
$20.1M
JP Morgan Chase
3
JP Morgan Chase
New York
$20M -$64.3K -35,752 -0.8%
GPP
4
Great Point Partners
Connecticut
$16.5M +$1.16M +645,736 +20%
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$13.2M +$5.48M +3,045,444 New
P
6
Pfizer
New York
$12.9M
B
7
Braidwell
Connecticut
$10.7M
IC
8
Ikarian Capital
Texas
$9.23M +$3.83M +2,132,322 New
AC
9
Armistice Capital
New York
$6.75M +$43.2K +24,000 +2%
AAA
10
Affinity Asset Advisors
New York
$5.52M +$1.89M +1,051,016 +471%
BFM
11
Boothbay Fund Management
New York
$3.57M +$1.48M +824,078 New
Point72 Asset Management
12
Point72 Asset Management
Connecticut
$3.15M -$2.92M -1,623,672 -69%
SCM
13
Silverarc Capital Management
Massachusetts
$3.12M +$1.3M +720,452 New
ACM
14
ADAR1 Capital Management
Texas
$2.82M -$621K -345,393 -35%
Millennium Management
15
Millennium Management
New York
$2.55M -$359K -199,609 -25%
Fidelity Investments
16
Fidelity Investments
Massachusetts
$2.3M -$68.1K -37,853 -7%
Vanguard Group
17
Vanguard Group
Pennsylvania
$2.24M
Ameriprise
18
Ameriprise
Minnesota
$2.17M +$899K +500,000 New
Geode Capital Management
19
Geode Capital Management
Massachusetts
$1.76M -$3.47K -1,932 -0.5%
BlackRock
20
BlackRock
New York
$1.58M -$382K -212,453 -37%
UBS Group
21
UBS Group
Switzerland
$1.32M +$493K +274,118 +878%
ACM
22
Atika Capital Management
New York
$1.2M +$496K +276,000 New
Marshall Wace
23
Marshall Wace
United Kingdom
$1.16M +$481K +267,200 New
DTC
24
Deep Track Capital
Connecticut
$1.12M -$2.64M -1,468,548 -85%
Renaissance Technologies
25
Renaissance Technologies
New York
$1.11M +$92.2K +51,267 +25%

ZURA Hedge Fund Activity: Q3 2025 in Review

69 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Zura Bio (ZURA) for Q3 2025, worth a combined $179M — up 383% from $37.1M a quarter earlier.

Buyers outnumbered sellers: 18 funds opened new ZURA positions and 14 closed out — a net gain of 4 holders — while 15 added to existing stakes and 25 trimmed.

The largest buyer was Adage Capital Partners, opening a new position worth an estimated $5.48M. The largest seller was Point72 Asset Management, cutting an estimated $2.92M.

  • 69 institutional investors held Zura Bio (ZURA) as of Q3 2025, up from 65 in Q2 2025.
  • Funds reported $179M of Zura Bio stock for Q3 2025, up 383% quarter-over-quarter.
  • 18 funds opened new Zura Bio positions in Q3 2025 and 14 closed out, a net change of +4 holders.
  • The largest Zura Bio buyer in Q3 2025 was Adage Capital Partners, an estimated $5.48M added.
  • The largest Zura Bio seller in Q3 2025 was Point72 Asset Management, an estimated $2.92M sold.

Based on aggregated 13F filings for Q3 2025.