| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 11% | +3.6% | $18,406,290 | +$559,893 | 4,231,331 | +3.1% | JANUS HENDERSON GROUP PLC | 30 Sep 2025 |
| BlackRock, Inc. | 5.6% | $6,388,762 | 2,143,880 | BlackRock, Inc. | 30 Jun 2025 | |||
| RA CAPITAL MANAGEMENT, L.P. | 4.9% | -50% | $5,974,448 | -$4,423,642 | 1,971,765 | -43% | RA Capital Management, L.P. | 30 Jun 2025 |
| Opaleye Management Inc. | 4.7% | -12% | $7,473,600 | -$410,400 | 1,730,000 | -5.2% | Opaleye Management, Inc. | 31 Mar 2025 |
| CITADEL ADVISORS LLC | 4.7% | $7,031,811 | 1,627,734 | Kenneth Griffin | 31 Dec 2024 | |||
| Woodline Partners LP | 3.9% | $5,751,035 | 1,331,258 | Woodline Partners LP | 31 Dec 2024 |
As of 30 Sep 2025, 79 institutional investors reported holding 26,208,473 shares of Protara Therapeutics, Inc. - Common Stock (TARA). This represents 68% of the company’s total 38,466,645 outstanding shares.
The largest institutional shareholders of Protara Therapeutics, Inc. - Common Stock (TARA) together control 64% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 11% | 4,231,331 | +3.1% | 0.01% | $18,363,977 |
| BlackRock, Inc. | 5.8% | 2,229,368 | +4% | 0% | $9,697,750 |
| Velan Capital Investment Management LP | 5.6% | 2,139,000 | 0% | 8.7% | $9,304,650 |
| Blackstone Inc. | 5% | 1,909,662 | 0% | 0.04% | $8,307,030 |
| VANGUARD GROUP INC | 5% | 1,904,156 | +5.7% | 0% | $8,283,078 |
| ACORN CAPITAL ADVISORS, LLC | 4.6% | 1,752,115 | 0% | 3.9% | $7,621,700 |
| Catalio Capital Management, LP | 3.9% | 1,500,793 | -7.7% | 1.2% | $6,528,450 |
| Integral Health Asset Management, LLC | 3.6% | 1,400,000 | 0% | 0.44% | $6,090,000 |
| UBS Group AG | 2.2% | 843,074 | -26% | 0% | $3,667,372 |
| 5AM Venture Management, LLC | 2.1% | 800,000 | 0% | 1.3% | $3,480,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 758,719 | +1.9% | 0% | $3,301,348 |
| MILLENNIUM MANAGEMENT LLC | 1.8% | 688,256 | +22% | 0% | $2,993,914 |
| BAKER BROS. ADVISORS LP | 1.4% | 536,832 | 0% | 0.02% | $2,335,219 |
| CITADEL ADVISORS LLC | 1.3% | 502,454 | +22% | 0% | $2,185,675 |
| Driehaus Capital Management LLC | 1.2% | 444,444 | 0.01% | $1,933,331 | |
| STEMPOINT CAPITAL LP | 0.95% | 363,666 | -68% | 0.32% | $1,581,947 |
| SUPERSTRING CAPITAL MANAGEMENT LP | 0.94% | 360,000 | 0% | 1.5% | $1,566,000 |
| STATE STREET CORP | 0.91% | 350,091 | +20% | 0% | $1,522,896 |
| RENAISSANCE TECHNOLOGIES LLC | 0.82% | 314,300 | +111% | 0% | $1,367,205 |
| Assenagon Asset Management S.A. | 0.8% | 307,422 | 0% | $1,337,286 | |
| MARSHALL WACE, LLP | 0.74% | 285,586 | -21% | 0% | $1,242,299 |
| Nuveen, LLC | 0.74% | 283,481 | +179% | 0% | $1,233,142 |
| CIBC WORLD MARKET INC. | 0.71% | 274,994 | -5.7% | 0% | $1,196,224 |
| NORTHERN TRUST CORP | 0.61% | 234,360 | -5.6% | 0% | $1,019,466 |
| OPPENHEIMER & CO INC | 0.54% | 206,973 | -16% | 0.01% | $900,333 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 308,334 | $1,643,420 | +$4,861 | $5.33 | 1 |
| 2025 Q3 | 26,208,473 | $113,965,432 | -$10,353,742 | $4.35 | 79 |
| 2025 Q2 | 29,714,732 | $90,054,436 | +$447,680 | $3.03 | 76 |
| 2025 Q1 | 28,759,849 | $123,767,729 | -$8,349,026 | $4.26 | 59 |
| 2024 Q4 | 29,670,168 | $156,599,526 | +$91,818,405 | $5.28 | 60 |
| 2024 Q3 | 10,445,706 | $19,115,471 | +$384,364 | $1.83 | 33 |
| 2024 Q2 | 10,449,817 | $22,236,374 | +$12,029,265 | $2.08 | 38 |
| 2024 Q1 | 4,570,660 | $18,342,843 | +$911,041 | $4.01 | 34 |
| 2023 Q4 | 4,357,920 | $8,168,237 | -$1,261,027 | $1.88 | 30 |
| 2023 Q3 | 5,117,943 | $8,547,441 | -$31,849 | $1.67 | 31 |
| 2023 Q2 | 5,136,537 | $12,262,078 | -$1,134,644 | $2.39 | 28 |
| 2023 Q1 | 5,503,158 | $16,886,987 | +$77,617 | $3.13 | 28 |
| 2022 Q4 | 5,478,113 | $14,679,319 | -$481,288 | $2.68 | 29 |
| 2022 Q3 | 5,656,228 | $16,718,296 | -$789,370 | $2.96 | 26 |
| 2022 Q2 | 5,927,042 | $18,391,293 | -$2,063,463 | $2.93 | 31 |
| 2022 Q1 | 6,495,468 | $33,192,511 | -$1,990,162 | $5.11 | 34 |
| 2021 Q4 | 6,872,165 | $46,492,675 | +$3,840,591 | $6.75 | 36 |
| 2021 Q3 | 6,311,961 | $43,679,692 | -$8,598,514 | $6.92 | 36 |
| 2021 Q2 | 7,110,843 | $69,259,000 | -$22,850,218 | $9.74 | 38 |
| 2021 Q1 | 8,528,460 | $134,015,000 | -$11,645,346 | $15.74 | 49 |
| 2020 Q4 | 8,775,745 | $212,476,065 | -$5,829,365 | $24.21 | 48 |
| 2020 Q3 | 9,281,283 | $156,208,097 | +$91,825,921 | $16.83 | 44 |
| 2020 Q2 | 3,696,566 | $108,380,809 | +$108,380,809 | $29.32 | 31 |