Protara Therapeutics
TARA · NASDAQ
$2.56+$0.23 (+9.87%)TodayMarket closed ·
Prev close $2.33
Who owns TARA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 46.5% of TARA’s shares.
- Janus Henderson Investors8.4%
- BlackRock Institutional Trust Company, N.A.6.1%
- Millennium Management LLC5.7%
- Velan Capital Investment Management LP5.1%
- Next 6 largest institutions21.3%
- All other shareholders53.5%
| Holder | Shares | % of shares |
|---|---|---|
| Janus Henderson Investors | 4.70M | 8.36% |
| BlackRock Institutional Trust Company, N.A. | 3.40M | 6.06% |
| Millennium Management LLC | 3.20M | 5.70% |
| Velan Capital Investment Management LP | 2.84M | 5.06% |
| Vanguard Capital Management, LLC | 2.30M | 4.09% |
| Blackstone Alternative Asset Management, L.P. | 2.27M | 4.03% |
| OrbiMed Advisors, LLC | 2.22M | 3.95% |
| Sio Capital Management, LLC | 1.92M | 3.42% |
| Acorn Capital Advisors, LLC | 1.75M | 3.12% |
| Integral Health Asset Management, LLC | 1.50M | 2.67% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 1.66M | 2.95% |
| iShares Russell 2000 ETF | 1.36M | 2.42% |
| Columbia Small Cap Value Discovery Fund | 758.07K | 1.35% |
| Vanguard Extended Market Index Fund | 586.97K | 1.04% |
| Fidelity Small Cap Index Fund | 567.51K | 1.01% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $882.16K (1 trade) of TARA on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Shefferman Jesse | Gift | 5.00K | — |
| Shefferman Jesse | Gift | 4.00K | — |
| Shefferman Jesse | Gift | 7.00K | — |
| Shefferman Jesse | Gift | 14.00K | — |
| Shefferman Jesse | Option exercise | 215.69K | — |
| Shefferman Jesse | Sale | 215.69K | $882.16K |
| Shefferman Jesse | Option exercise | 215.69K | $411.96K |
| Levy Richard S | Award | 31.00K | — |
| Solomon Michael Edward | Award | 31.00K | — |
| Smith Cynthia | Award | 31.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.79M
- Days to cover
- 2.91
- % of shares outstanding
- 10.31%
- Average daily volume
- 1.99M
- Change since last report
- +31.1%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.