Protara Therapeutics Ownership | Who Owns Protara Therapeutics?

Protara Therapeutics Ownership Summary

Protara Therapeutics is owned by 21.89% institutional investors, 2.24% insiders, and 75.87% retail investors. Janus henderson group is the largest institutional shareholder, holding 10.17% of TARA shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 4.19% of its assets in Protara Therapeutics shares.

TARA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Protara Therapeutics	21.89%	2.24%	75.87%
Sector	Healthcare Stocks	232.64%	10.66%	-143.30%
Industry	Biotech Stocks	382.13%	10.41%	-292.54%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Janus henderson group	2.27M	10.17%	$11.94M
Boxer capital	811.63K	7.11%	$1.69M
Blackrock funding, inc. /de	2.41M	5.70%	$12.84M
Vanguard group	2.39M	5.66%	$12.75M
Velan capital investment management lp	2.14M	5.06%	$9.30M
Blackstone	1.91M	4.52%	$8.31M
Acorn capital advisors	1.75M	4.14%	$7.62M
Catalio capital management, lp	1.50M	3.55%	$6.53M
Integral health asset management	1.40M	3.31%	$6.09M
Ubs group	1.22M	2.88%	$6.48M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Velan capital investment management lp	2.14M	8.74%	$9.30M
Acorn capital advisors	1.75M	3.87%	$7.62M
Superstring capital management lp	360.00K	1.54%	$1.57M
5am venture management	800.00K	1.27%	$3.48M
Catalio capital management, lp	1.50M	1.21%	$6.53M
Cvi	302.75K	0.54%	$629.71K
Integral health asset management	1.40M	0.41%	$6.09M
Monashee investment management	125.00K	0.38%	$666.25K
Stempoint capital lp	363.67K	0.32%	$1.58M
Nano cap new millennium growth fund l p	35.00K	0.16%	$186.55M

Top Buyers

Holder	Shares	% Assets	Change
Janus henderson group	2.27M	0.01%	2.27M
Boxer capital	811.63K	0.09%	602.40K
Vanguard group	2.39M	0.00%	487.75K
Driehaus capital management	444.44K	0.01%	444.44K
Ubs group	1.22M	0.00%	372.46K

Top Sellers

Holder	Shares	% Assets	Change
Toronto dominion bank	-	-	-2.09M
Sio capital management	-	-	-1.51M
Ra capital management	-	-	-1.04M
Opaleye management	-	-	-855.00K
Woodline partners lp	-	-	-851.67K

New Positions

Holder	Shares	% Assets	Change	Value
Janus henderson group	2.27M	0.01%	2.27M	$11.94M
Cvi	302.75K	0.54%	302.75K	$629.71K
Monashee investment management	125.00K	0.38%	125.00K	$666.25K
Eam investors	103.61K	0.06%	103.61K	$552.25K
Sei investments	63.08K	0.00%	63.08K	$336.21K

Sold Out

Holder	Change
Srs capital advisors	-48.00
Raymond james financial	-271.00
Acadian asset management	-6.31K
Xtx topco	-11.74K
Los angeles capital management	-15.54K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	44	-46.99%	9,253,946	-64.69%	21	0.57%	28	-22.22%	10	-61.54%
Sep 30, 2025	33	-59.26%	6,687,978	-77.49%	15	0.32%	18	-65.38%	8	-38.46%
Jun 30, 2025	81	28.57%	29,714,883	6.28%	70	1.49%	53	65.63%	14	16.67%
Mar 31, 2025	64	-	28,759,849	-3.07%	70	0.40%	33	-26.67%	12	20.00%
Dec 31, 2024	12	-66.67%	2,074,529	-80.14%	9	0.42%	8	-55.56%	3	-57.14%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.54M	4.19%	-
iShares Russell 2000 ETF	1.21M	2.24%	-9.92K
Vanguard US Total Market Shares ETF	616.30K	1.74%	-
Vanguard Institutional Extnd Mkt Idx Tr	360.57K	0.98%	-
iShares Russell 2000 Value ETF	435.68K	0.81%	-
Fidelity Small Cap Index	342.08K	0.63%	-4.89K
A4Investments SICAV SIF ACCI IlanaA2EURH	125.00K	0.61%	-
Vanguard Russell 2000 ETF	175.28K	0.48%	7.47K
CREF Stock R3	180.21K	0.47%	120.69K
State St Russell Sm/Mid Cp® Indx SL Cl I	165.60K	0.45%	19.50K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 01, 2026	Zummo Jacqueline	Chief R&D Officer	Sell	$118.87K
May 14, 2025	Levy Richard S	-	Buy	$63.80K
Mar 26, 2025	Zummo Jacqueline	Chf Scientific Operations Off	Sell	$96.14K
Sep 11, 2024	Opaleye Management Inc.	-	Sell	$2.74K
Sep 12, 2024	Opaleye Management Inc.	-	Sell	$204.73K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	1
2026 Q1	-	-
2025 Q2	1	-
2025 Q1	-	1
2024 Q3	-	18

TARA Ownership FAQ

Who Owns Protara Therapeutics?

Protara Therapeutics shareholders are primarily institutional investors at 21.89%, followed by 2.24% insiders and 75.87% retail investors. The average institutional ownership in Protara Therapeutics's industry, Biotech Stocks , is 382.13%, which Protara Therapeutics falls below.

Who owns the most shares of Protara Therapeutics?

Protara Therapeutics’s largest shareholders are Janus henderson group (2.27M shares, 10.17%), Boxer capital (811.63K shares, 7.11%), and Blackrock funding, inc. /de (2.41M shares, 5.70%). Together, they hold 22.98% of Protara Therapeutics’s total shares outstanding.

Does Blackrock own Protara Therapeutics?

BlackRock is not among the top 10 institutional shareholders of Protara Therapeutics.

Who is Protara Therapeutics’s biggest shareholder by percentage of total assets invested?

Velan capital investment management lp is Protara Therapeutics’s biggest shareholder by percentage of total assets invested, with 8.74% of its assets in 2.14M Protara Therapeutics shares, valued at 9.3M$.

Who is the top mutual fund holder of Protara Therapeutics shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Protara Therapeutics shares, with 4.19% of its total shares outstanding invested in 1.54M Protara Therapeutics shares.

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