Protara Therapeutics, Inc. (TARA) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

42,767,742Shares Outstanding

4,161,644Shares held by institutions

$27,258,768Value of institutional holdings

92.88%Institutional ownership %

54.89%Shares Changed QoQ

100No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 100 institutions have reported a stake in Protara Therapeutics, Inc. (NASDAQ:TARA) as of December 2025, according to recent 13F filings with the SEC.

Institutional ownership in Protara Therapeutics edged up to 92.9% in December 2025, compared to 61.3% in September 2025.
In percentage terms, this reflects as a holdings change of 54.89% quarter on quarter, and an increase of 63.93% year over year.
Among the 100 institutional holders of Protara Therapeutics, 74 added to their stakes while 14 trimmed their positions and 12 held steady.
Collectively, institutional investors increased their stake in Protara Therapeutics to 39.72Mn shares as of December 2025, a change that is up by 14.08Mn shares quarter on quarter and up 10.04Mn shares year over year.
With 5.14Mn shares, JANUS HENDERSON GROUP PLC commands the largest institutional position in Protara Therapeutics as of December 31, 2025, equating to 12.02% of the company.
Among the most significant buyers of Protara Therapeutics during December 2025 were Sio Capital Management, LLC (1.72Mn), ADAR1 Capital Management, LLC (1.10Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (1.04Mn), JANUS HENDERSON GROUP PLC (910.28K), Integral Health Asset Management, LLC (850.00K).
Leading sellers of Protara Therapeutics stock in December 2025 included Nuveen, LLC (196.98K), Catalio Capital Management, LP (54.54K), GSA CAPITAL PARTNERS LLP (49.16K), RENAISSANCE TECHNOLOGIES LLC (47.49K), CIBC WORLD MARKET INC. (46.10K).
The top 10 institutional holders of Protara Therapeutics for the quarter ending December 2025 included JANUS HENDERSON GROUP PLC (5.14Mn), Velan Capital Investment Management LP (2.83Mn), BlackRock, Inc. (2.41Mn), VANGUARD GROUP INC (2.39Mn), Integral Health Asset Management, LLC (2.25Mn), Blackstone Inc. (1.91Mn), ACORN CAPITAL ADVISORS, LLC (1.75Mn), Sio Capital Management, LLC (1.72Mn), Catalio Capital Management, LP (1.45Mn), 5AM Venture Management, LLC (1.37Mn).

100 Institutional Holders

4,161,644 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
JANUS HENDERSON GROUP PLC	31 Dec, 2025	5,141,616	910,285	21.51%	$27,379,105.00
Velan Capital Investment Management LP	31 Dec, 2025	2,834,652	695,652	32.52%	$15,108,695.00
BlackRock, Inc.	31 Dec, 2025	2,408,868	179,500	8.05%	$12,839,267.00
VANGUARD GROUP INC	31 Dec, 2025	2,391,903	487,747	25.61%	$12,748,844.00
Integral Health Asset Management, LLC	31 Dec, 2025	2,250,000	850,000	60.71%	$11,992,500.00
Blackstone Inc.	31 Dec, 2025	1,909,662	0	0.00%	$10,178,498.00
ACORN CAPITAL ADVISORS, LLC	31 Dec, 2025	1,752,115	0	0.00%	$9,338,773.00
Sio Capital Management, LLC	31 Dec, 2025	1,715,394	1,715,394	0.00%	$9,143,050.00
Catalio Capital Management, LP	31 Dec, 2025	1,446,254	-54,539	-3.63%	$7,708,534.00
5AM Venture Management, LLC	31 Dec, 2025	1,369,782	569,782	71.22%	$7,300,938.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,259,427	814,983	183.37%	$6,712,746.00
UBS Group AG	31 Dec, 2025	1,215,537	372,463	44.18%	$6,478,812.00
ADAR1 Capital Management, LLC	31 Dec, 2025	1,136,799	1,101,576	3,127.43%	$6,059,139.00
ADAGE CAPITAL PARTNERS GP, L.L.C.	31 Dec, 2025	1,043,478	1,043,478	0.00%	$5,561,738.00
BAKER BROS. ADVISORS LP	31 Dec, 2025	971,614	434,782	80.99%	$5,178,703.00
CITADEL ADVISORS LLC	31 Dec, 2025	901,541	399,087	79.43%	$4,805,214.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	817,196	58,477	7.71%	$4,356,728.00
Maven Securities LTD	31 Dec, 2025	754,626	754,626	0.00%	$4,022,157.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	753,302	65,046	9.45%	$4,015,100.00
SPHERA FUNDS MANAGEMENT LTD.	31 Dec, 2025	650,000	650,000	0.00%	$3,464,500.00

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