Protara Therapeutics, Inc. - TARA
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 3 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | History | Added to | 5,141,616 | 27,379 | 0.01% | 0.01% | 1 | +910,285 | 21.51% | Q4 2025 | Feb 17, 2026 |
| Velan Capital Investment Management LP | History | Added to | 2,834,652 | 15,108 | 8.76% | 8.74% | 2 | +695,652 | 32.52% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Added to | 2,408,868 | 12,839 | 0.0% | 0.0% | 3 | +179,500 | 8.05% | Q4 2025 | Feb 12, 2026 |
| VANGUARD GROUP INC | History | Added to | 2,391,903 | 12,748 | 0.0% | 0.0% | 4 | +487,747 | 25.61% | Q4 2025 | Jan 29, 2026 |
| Integral Health Asset Management, LLC | History | Added to | 2,250,000 | 11,992 | 0.6% | 0.41% | 5 | +850,000 | 60.71% | Q4 2025 | Feb 17, 2026 |
| Blackstone Inc. | History | No change | 1,909,662 | 10,178 | 0.04% | 0.03% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| ACORN CAPITAL ADVISORS, LLC | History | No change | 1,752,115 | 9,338 | 3.16% | 3.87% | 7 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Sio Capital Management, LLC | History | New | 1,715,394 | 9,143 | 1.44% | — | 8 | +1,715,394 | New | Q4 2025 | Feb 17, 2026 |
| Catalio Capital Management, LP | History | Reduced | 1,446,254 | 7,708 | 1.36% | 1.21% | 9 | -54,539 | -3.63% | Q4 2025 | Feb 17, 2026 |
| 5AM Venture Management, LLC | History | Added to | 1,369,782 | 7,300 | 2.29% | 1.27% | 10 | +569,782 | 71.22% | Q4 2025 | Feb 17, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | History | Added to | 1,259,427 | 6,712 | 0.05% | 0.01% | 11 | +814,983 | 183.37% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 1,215,537 | 6,478 | 0.0% | 0.0% | 12 | +372,463 | 44.18% | Q4 2025 | Jan 29, 2026 |
| ADAR1 Capital Management, LLC | History | Added to | 1,136,799 | 6,059 | 0.44% | 0.01% | 13 | +1,101,576 | 3127.43% | Q4 2025 | Feb 18, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | New | 1,043,478 | 5,561 | 0.01% | — | 14 | +1,043,478 | New | Q4 2025 | Feb 17, 2026 |
| BAKER BROS. ADVISORS LP | History | Added to | 971,614 | 5,178 | 0.03% | 0.02% | 15 | +434,782 | 80.99% | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 931,041 | 4,962 | 0.0% | 0.0% | 16 | +400,187 | 75.39% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 817,196 | 4,356 | 0.0% | 0.0% | 17 | +58,477 | 7.71% | Q4 2025 | Feb 09, 2026 |
| Maven Securities LTD | History | New | 754,626 | 4,022 | 0.09% | — | 18 | +754,626 | New | Q4 2025 | Feb 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 753,302 | 4,015 | 0.0% | 0.0% | 19 | +65,046 | 9.45% | Q4 2025 | Feb 17, 2026 |
| SPHERA FUNDS MANAGEMENT LTD. | History | New | 650,000 | 3,464 | 0.67% | — | 20 | +650,000 | New | Q4 2025 | Feb 17, 2026 |
| MARSHALL WACE, LLP | History | Added to | 584,528 | 3,115 | 0.0% | 0.0% | 21 | +298,942 | 104.68% | Q4 2025 | Feb 13, 2026 |
| STATE STREET CORP | History | Added to | 570,878 | 3,042 | 0.0% | 0.0% | 22 | +220,787 | 63.07% | Q4 2025 | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 495,904 | 2,643 | 0.0% | 0.0% | 23 | +315,429 | 174.78% | Q4 2025 | Feb 17, 2026 |
| Burkehill Global Management, LP | History | New | 450,000 | 2,398 | 0.16% | — | 24 | +450,000 | New | Q4 2025 | Feb 17, 2026 |
| SUPERSTRING CAPITAL MANAGEMENT LP | History | No change | 360,000 | 1,918 | 1.03% | 1.54% | 25 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Alyeska Investment Group, L.P. | History | New | 350,000 | 1,865 | 0.01% | — | 26 | +350,000 | New | Q4 2025 | Feb 13, 2026 |
| Assenagon Asset Management S.A. | History | Added to | 308,334 | 1,643 | 0.0% | 0.0% | 27 | +912 | 0.3% | Q4 2025 | Jan 09, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 266,807 | 1,422 | 0.0% | 0.0% | 28 | -47,493 | -15.11% | Q4 2025 | Feb 12, 2026 |
| NORTHERN TRUST CORP | History | Added to | 240,756 | 1,283 | 0.0% | 0.0% | 29 | +6,396 | 2.73% | Q4 2025 | Feb 17, 2026 |
| CIBC WORLD MARKET INC. | History | Reduced | 228,895 | 1,220 | 0.0% | 0.0% | 30 | -46,099 | -16.76% | Q4 2025 | Feb 10, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 227,157 | 1,210 | 0.0% | 0.0% | 31 | +179,449 | 376.14% | Q4 2025 | Feb 12, 2026 |
| OPPENHEIMER & CO INC | History | Added to | 223,767 | 1,192 | 0.02% | 0.01% | 32 | +16,794 | 8.11% | Q4 2025 | Feb 02, 2026 |
| MORGAN STANLEY | History | Added to | 175,329 | 934 | 0.0% | 0.0% | 33 | +66,785 | 61.53% | Q4 2025 | Feb 13, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 170,235 | 907 | 0.0% | 0.0% | 34 | +113,989 | 202.66% | Q4 2025 | Feb 12, 2026 |
| AMERIPRISE FINANCIAL INC | History | New | 153,985 | 820 | 0.0% | — | 35 | +153,985 | New | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 148,046 | 789 | 0.0% | 0.0% | 36 | +66,843 | 82.32% | Q4 2025 | Feb 17, 2026 |
| Walleye Capital LLC | History | New | 145,876 | 777 | 0.0% | — | 37 | +145,876 | New | Q4 2025 | Feb 13, 2026 |
| Monashee Investment Management LLC | History | New | 125,000 | 666 | 0.38% | — | 38 | +125,000 | New | Q4 2025 | Feb 12, 2026 |
| XTX Topco Ltd | History | New | 115,363 | 614 | 0.02% | — | 39 | +115,363 | New | Q4 2025 | Feb 17, 2026 |
| Qube Research & Technologies Ltd | History | New | 114,331 | 609 | 0.0% | — | 40 | +114,331 | New | Q4 2025 | Feb 17, 2026 |
| Informed Momentum Co LLC | History | New | 103,611 | 552 | 0.06% | — | 41 | +103,611 | New | Q4 2025 | Feb 12, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Added to | 102,499 | 546 | 0.0% | 0.0% | 42 | +6,725 | 7.02% | Q4 2025 | Feb 13, 2026 |
| Bank of New York Mellon Corp | History | Reduced | 93,522 | 498 | 0.0% | 0.0% | 43 | -3,471 | -3.58% | Q4 2025 | Feb 10, 2026 |
| Nuveen, LLC | History | Reduced | 86,501 | 461 | 0.0% | 0.0% | 44 | -196,980 | -69.49% | Q4 2025 | Feb 12, 2026 |
| Marex Group plc | History | Added to | 85,250 | 454 | 0.0% | 0.0% | 45 | +63,000 | 283.15% | Q4 2025 | Feb 12, 2026 |
| Virtu Financial LLC | History | New | 68,956 | 368 | 0.01% | — | 46 | +68,956 | New | Q4 2025 | Feb 23, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Added to | 64,158 | 341 | 0.0% | 0.0% | 47 | +2,604 | 4.23% | Q4 2025 | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 63,492 | 338 | 0.0% | 0.0% | 48 | +49,884 | 366.58% | Q4 2025 | Mar 25, 2026 |
| SEI INVESTMENTS CO | History | New | 63,079 | 336 | 0.0% | — | 49 | +63,079 | New | Q4 2025 | Feb 13, 2026 |
| BARCLAYS PLC | History | Added to | 55,057 | 293 | 0.0% | 0.0% | 50 | +9,537 | 20.95% | Q4 2025 | Feb 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 52,332 | 279 | 0.02% | 0.04% | 51 | -49,156 | -48.44% | Q4 2025 | Feb 06, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 44,830 | 238 | 0.0% | 0.0% | 52 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| PANAGORA ASSET MANAGEMENT INC | History | New | 43,796 | 233 | 0.0% | — | 53 | +43,796 | New | Q4 2025 | Feb 13, 2026 |
| ALPS ADVISORS INC | History | New | 42,389 | 225 | 0.0% | — | 54 | +42,389 | New | Q4 2025 | Feb 12, 2026 |
| TRUIST FINANCIAL CORP | History | No change | 40,000 | 213 | 0.0% | 0.0% | 55 | 0 | 0.0% | Q4 2025 | Feb 02, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 39,802 | 212 | 0.0% | 0.0% | 56 | +15,037 | 60.72% | Q4 2025 | Feb 13, 2026 |
| HRT FINANCIAL LP | History | New | 36,260 | 193 | 0.0% | — | 57 | +36,260 | New | Q4 2025 | Feb 12, 2026 |
| LPL Financial LLC | History | No change | 36,050 | 192 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | History | New | 35,000 | 186 | 0.16% | — | 59 | +35,000 | New | Q4 2025 | Feb 06, 2026 |
| Longaeva Partners L.P. | History | New | 33,857 | 180 | 0.02% | — | 60 | +33,857 | New | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 32,662 | 174 | 0.0% | 0.0% | 61 | +13,104 | 67.0% | Q4 2025 | Feb 17, 2026 |
| Point72 Asset Management, L.P. | History | New | 28,107 | 149 | 0.0% | — | 62 | +28,107 | New | Q4 2025 | Feb 17, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 26,865 | 143 | 0.0% | 0.0% | 63 | -7,272 | -21.3% | Q4 2025 | Feb 13, 2026 |
| DEUTSCHE BANK AG\ | History | New | 25,096 | 133 | 0.0% | — | 64 | +25,096 | New | Q4 2025 | Feb 11, 2026 |
| BAILARD, INC. | History | Reduced | 24,417 | 130 | 0.0% | 0.0% | 65 | -12,252 | -33.41% | Q4 2025 | Feb 04, 2026 |
| Quadrature Capital Ltd | History | Added to | 24,184 | 128 | 0.0% | 0.0% | 66 | +6,838 | 39.42% | Q4 2025 | Feb 17, 2026 |
| Almanack Investment Partners, LLC. | History | Added to | 23,782 | 126 | 0.02% | 0.01% | 67 | +10,288 | 76.24% | Q4 2025 | Jan 29, 2026 |
| Engineers Gate Manager LP | History | New | 21,886 | 116 | 0.0% | — | 68 | +21,886 | New | Q4 2025 | Feb 17, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Added to | 20,736 | 111 | 0.0% | 0.0% | 69 | +4,383 | 26.8% | Q4 2025 | Feb 17, 2026 |
| Campbell & CO Investment Adviser LLC | History | New | 20,551 | 109 | 0.01% | — | 70 | +20,551 | New | Q4 2025 | Feb 12, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 18,400 | 98 | 0.0% | 0.0% | 71 | +15,500 | 534.48% | Q4 2025 | Feb 12, 2026 |
| Invesco Ltd. | History | Reduced | 17,514 | 93 | 0.0% | 0.0% | 72 | -7,655 | -30.41% | Q4 2025 | Feb 19, 2026 |
| Scientech Research LLC | History | New | 17,215 | 91 | 0.06% | — | 73 | +17,215 | New | Q4 2025 | Feb 17, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Added to | 16,354 | 87 | 0.0% | 0.0% | 74 | +1,502 | 10.11% | Q4 2025 | Feb 17, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | Reduced | 15,000 | 79 | 0.0% | 0.0% | 75 | -4,700 | -23.86% | Q4 2025 | Feb 12, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | New | 14,681 | 78 | 0.0% | — | 77 | +14,681 | New | Q4 2025 | Feb 17, 2026 |
| CITIGROUP INC | History | Added to | 14,700 | 78 | 0.0% | 0.0% | 76 | +14,322 | 3788.89% | Q4 2025 | Feb 13, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 14,584 | 77 | 0.0% | 0.0% | 78 | +247 | 1.72% | Q4 2025 | Feb 11, 2026 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Reduced | 13,821 | 73 | 0.0% | 0.0% | 79 | -2,079 | -13.08% | Q4 2025 | Feb 10, 2026 |
| Empery Asset Management, LP | History | New | 12,832 | 68 | 0.06% | — | 80 | +12,832 | New | Q4 2025 | Feb 11, 2026 |
| Squarepoint Ops LLC | History | Added to | 12,692 | 67 | 0.0% | 0.0% | 81 | +307 | 2.48% | Q4 2025 | Feb 13, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | New | 11,084 | 59 | 0.0% | — | 82 | +11,084 | New | Q4 2025 | Feb 13, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | Added to | 11,000 | 58 | 0.0% | 0.0% | 83 | +1,000 | 10.0% | Q4 2025 | Feb 12, 2026 |
| AXQ CAPITAL, LP | History | New | 10,815 | 57 | 0.01% | — | 84 | +10,815 | New | Q4 2025 | Feb 10, 2026 |
| Persistent Asset Partners Ltd | History | New | 10,733 | 57 | 0.03% | — | 85 | +10,733 | New | Q4 2025 | Feb 17, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 9,921 | 52 | 0.0% | 0.0% | 86 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 7,617 | 40 | 0.0% | 0.0% | 87 | -42,838 | -84.9% | Q4 2025 | Feb 10, 2026 |
| ROYAL BANK OF CANADA | History | New | 4,489 | 25 | 0.0% | — | 88 | +4,489 | New | Q4 2025 | Feb 17, 2026 |
| MetLife Investment Management, LLC | History | New | 4,399 | 23 | 0.0% | — | 89 | +4,399 | New | Q4 2025 | Feb 12, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 3,298 | 17 | 0.0% | 0.0% | 90 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Legal & General Group Plc | History | No change | 2,937 | 15 | 0.0% | 0.0% | 91 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Russell Investments Group, Ltd. | History | No change | 2,676 | 14 | 0.0% | 0.0% | 92 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 2,073 | 11 | 0.0% | 0.0% | 94 | -3,514 | -62.9% | Q4 2025 | Feb 17, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Added to | 2,169 | 11 | 0.0% | 0.0% | 93 | +152 | 7.54% | Q4 2025 | Feb 17, 2026 |
| Sterling Capital Management LLC | History | Reduced | 2,032 | 10 | 0.0% | 0.0% | 95 | -197 | -8.84% | Q4 2025 | Feb 13, 2026 |
| AMALGAMATED BANK | History | Added to | 1,108 | 6 | 0.0% | 0.0% | 96 | +5 | 0.45% | Q4 2025 | Feb 05, 2026 |
| FMR LLC | History | Added to | 883 | 4 | 0.0% | — | 97 | +790 | 849.46% | Q4 2025 | Feb 17, 2026 |
| STEMPOINT CAPITAL LP | History | Closed out | 0 | 0 | — | 0.32% | — | -363,666 | -100.0% | Q3 2025 | Nov 14, 2025 |
| J. Goldman & Co LP | History | Closed out | 0 | 0 | — | 0.01% | — | -100,350 | -100.0% | Q3 2025 | Nov 14, 2025 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -21,516 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -17,890 | -100.0% | Q3 2025 | Nov 12, 2025 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,545 | -100.0% | Q3 2025 | Oct 20, 2025 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,000 | -100.0% | Q3 2025 | Nov 18, 2025 |
| Arax Advisory Partners | History | Closed out | 0 | 0 | — | — | — | -48 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CWM, LLC | History | Added to | 65 | 0 | — | — | — | +23 | 54.76% | Q4 2025 | Jan 26, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 122 | 0 | — | — | — | +5 | 4.27% | Q4 2025 | Feb 06, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | New | 2 | 0 | — | — | — | +2 | New | Q4 2025 | Feb 10, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 103 | 0 | — | — | — | -2 | -1.9% | Q4 2025 | Feb 03, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | New | 1 | 0 | — | — | — | +1 | New | Q4 2025 | Feb 10, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 100 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Farther Finance Advisors, LLC | History | No change | 55 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |