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Protara Therapeutics
TARA

59 hedge funds and large institutions have $124M invested in Protara Therapeutics in 2025 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 24 increasing their positions, 12 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

363% more call options, than puts

Call options by funds: $2.21M | Put options by funds: $478K

100% more repeat investments, than reductions

Existing positions increased: 24 | Existing positions reduced: 12

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

2% less funds holding

Funds holding: 60 → 59 (-1)

8.24% less ownership

Funds ownership: 86.45% → 78.22% (-8.2%)

11% less first-time investments, than exits

New positions opened: 8 | Existing positions closed: 9

21% less capital invested

Capital invested by funds: $157M → $124M (-$32.8M)

Holders
59
Holders Change
-1
Holders Change %
-1.67%
% of All Funds
0.79%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
8
Increased
24
Reduced
12
Closed
9
Calls
$2.21M
Puts
$478K
Net Calls
+$1.74M
Net Calls Change
+$2.63M

Top Buyers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$6.77M
2
SC
Stempoint Capital
New York
+$3.83M
3
BlackRock
BlackRock
New York
+$2.3M
4
UBS Group
UBS Group
Switzerland
+$2.18M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$1.09M

Top Sellers

1
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$11.9M
2
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$11M
3
Citadel Advisors
Citadel Advisors
Florida
-$2.75M
4
IC
Ikarian Capital
Texas
-$1.85M
5
DCM
Driehaus Capital Management
Illinois
-$1.09M
Name Holding Trade Value Shares
Change 		Change in
Stake
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$17.4M +$6.77M +1,516,344 +67%
RCM
2
RA Capital Management
Massachusetts
$14.5M – – –
Blackstone Inc
3
Blackstone Inc
New York
$7.43M +$286K +64,042 +4%
OM
4
Opaleye Management
Massachusetts
$7.37M -$424K -95,000 -5%
VCIM
5
Velan Capital Investment Management
Georgia
$7.1M +$397K +88,800 +6%
Vanguard Group
6
Vanguard Group
Pennsylvania
$6.83M +$1.09M +243,343 +18%
SCM
7
Sio Capital Management
New York
$6.45M +$343K +76,800 +5%
IHAM
8
Integral Health Asset Management
New York
$5.96M – – –
ACA
9
Acorn Capital Advisors
New York
$5.45M – – –
SC
10
Stempoint Capital
New York
$5.07M +$3.83M +858,185 +258%
CCM
11
Catalio Capital Management
New York
$4.64M – – –
WP
12
Woodline Partners
California
$3.63M -$6.64K -1,486 -0.2%
5VM
13
5AM Venture Management
California
$3.41M – – –
UBS Group
14
UBS Group
Switzerland
$2.71M +$2.18M +487,266 +326%
BlackRock
15
BlackRock
New York
$2.69M +$2.3M +514,422 +443%
Millennium Management
16
Millennium Management
New York
$2.42M +$880K +196,968 +53%
BBA
17
Baker Bros. Advisors
New York
$2.29M – – –
Citadel Advisors
18
Citadel Advisors
Florida
$1.76M -$2.75M -615,003 -60%
SCM
19
Superstring Capital Management
New York
$1.53M – – –
Geode Capital Management
20
Geode Capital Management
Massachusetts
$1.48M +$747K +167,104 +93%
Bank of America
21
Bank of America
North Carolina
$1.23M +$421K +94,320 +49%
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$1.17M +$252K +56,408 +26%
DCM
23
Driehaus Capital Management
Illinois
$1.16M -$1.09M -244,810 -47%
CIBC World Market
24
CIBC World Market
Ontario, Canada
$1M +$1.05M +235,610 New
Walleye Capital
25
Walleye Capital
New York
$977K +$38.6K +8,640 +4%
1
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TARA Hedge Fund Activity: Q1 2025 in Review

59 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Protara Therapeutics (TARA) for Q1 2025, worth a combined $124M — down 21% from $157M a quarter earlier.

Sellers outnumbered buyers: 9 funds closed out of TARA and 8 opened new positions — a net loss of 1 holder — while 12 trimmed existing stakes and 24 added.

The largest buyer was Janus Henderson Group, adding an estimated $6.77M. The largest seller was Adage Capital Partners, exiting entirely with an estimated $11.9M sold.

  • 59 institutional investors held Protara Therapeutics (TARA) as of Q1 2025, down from 60 in Q4 2024.
  • Funds reported $124M of Protara Therapeutics stock for Q1 2025, down 21% quarter-over-quarter.
  • 8 funds opened new Protara Therapeutics positions in Q1 2025 and 9 closed out, a net change of -1 holder.
  • The largest Protara Therapeutics buyer in Q1 2025 was Janus Henderson Group, an estimated $6.77M added.
  • The largest Protara Therapeutics seller in Q1 2025 was Adage Capital Partners, an estimated $11.9M sold.

Based on aggregated 13F filings for Q1 2025.