Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TARA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | JANUS HENDERSON GROUP PLC | 5.2M | $27.2M | +1.3% | 13.493% | 0.01% |
| 2 | BlackRock, Inc. | 3.4M | $17.7M | +40.9% | 8.798% | 0.00% |
| 3 | Velan Capital Investment Management LP | 2.8M | $14.8M | 0.0% | 7.346% | 9.25% |
| 4 | MILLENNIUM MANAGEMENT LLC | 2.8M | $14.8M | +275.8% | 7.337% | 0.01% |
| 5 | Blackstone Inc | 2.3M | $11.8M | +18.6% | 5.871% | 0.05% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.1M | $11.0M | β | 5.491% | 0.00% |
| 7 | Sio Capital Management, LLC | 2.0M | $10.3M | +14.8% | 5.105% | 1.48% |
| 8 | ACORN CAPITAL ADVISORS, LLC | 1.8M | $9.1M | 0.0% | 4.540% | 2.59% |
| 9 | Integral Health Asset Management, LLC | 1.8M | $9.1M | -22.2% | 4.535% | 0.56% |
| 10 | AIGH Capital Management LLC | 1.6M | $8.5M | β | 4.205% | 1.73% |
| 11 | UBS Group AG | 1.4M | $7.3M | +15.4% | 3.634% | 0.00% |
| 12 | 5AM Venture Management, LLC | 1.4M | $7.1M | 0.0% | 3.550% | 1.98% |
| 13 | CITADEL ADVISORS LLC | 1.2M | $6.4M | +32.4% | 3.194% | 0.00% |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $6.1M | +44.0% | 3.051% | 0.00% |
| 15 | Point72 Asset Management, L.P. | 1.2M | $6.0M | +4001.2% | 2.987% | 0.01% |
| 16 | Patient Square Capital LP | 1.0M | $5.4M | β | 2.671% | 0.95% |
| 17 | STATE STREET CORP | 1.0M | $5.2M | +76.1% | 2.605% | 0.00% |
| 18 | BAKER BROS. ADVISORS LP | 972K | $5.1M | 0.0% | 2.518% | 0.03% |
| 19 | ADAR1 Capital Management, LLC | 941K | $4.9M | -17.3% | 2.437% | 0.31% |
| 20 | BANK OF AMERICA CORP /DE/ | 926K | $4.8M | +86.7% | 2.399% | 0.00% |
| 21 | J. Goldman & Co LP | 856K | $4.5M | β | 2.219% | 0.14% |
| 22 | Catalio Capital Management, LP | 580K | $3.0M | -59.9% | 1.503% | 0.63% |
| 23 | Assenagon Asset Management S.A. | 568K | $3.0M | +84.1% | 1.471% | 0.00% |
| 24 | MORGAN STANLEY | 557K | $2.9M | +217.7% | 1.443% | 0.00% |
| 25 | DIMENSIONAL FUND ADVISORS LP | 531K | $2.8M | +133.9% | 1.377% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in TARA β a direct measure of their conviction.
Filings activity in TARA during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 111 | +7.8% | 158.25% | +17.58 pp | $238M | +13% |
| Q4 2025 | 103 | +29% | 140.67% | +65.20 pp | $212M | +86% |
| Q3 2025 | 80 | +3.9% | 75.47% | +12.66 pp | $114M | +20% |
| Q2 2025 | 77 | +33% | 62.81% | 18.73 pp | $95M | 23% |
| Q1 2025 | 58 | +0.0% | 81.54% | 18.93 pp | $123M | 19% |
| Q4 2024 | 58 | +66% | 100.47% | +88.65 pp | $151M | +750% |
| Q3 2024 | 35 | 7.9% | 11.82% | 1.98 pp | $18M | 14% |
| Q2 2024 | 38 | β | 13.80% | β | $21M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TARA stock.
Based on Q1 2026 13F filings, institutional ownership of Protara Therapeutics, Inc. stands at 158.3%, held across 111 reporting institutions.
JANUS HENDERSON GROUP PLC is the largest reported institutional holder of TARA, with approximately 5,207,011 shares worth $0.03B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of TARA, including MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC, Point72 Asset Management, L.P..
Our composite Smart Money Score for TARA is 73 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
30 institutions opened new positions in TARA during Q1 2026, while 22 fully exited. 43 added to existing positions and 37 trimmed.
TARA institutional ownership rose by 17.58 percentage points quarter-over-quarter, with a net change of +8 holders.
The top 10 institutions account for 56.3% of all reported 13F value in TARA, and the top 25 account for 87.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Protara Therapeutics, Inc. (TARA) Institutional Ownership