NASDAQ : NTRA
$4.55 (1.73%)
1.15%
113
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0.00
change: -113.5342 | last: 1.1353440.1M
| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-04-30 | Vanguard Capital Management | 7.21M | 5.08% |
| 2026-03-27 | The Vanguard Group | - | 0.00% |
| 2026-02-17 | T. Rowe Price Associates, Inc. | 10.87M | 7.80% |
| 2026-01-23 | JPMORGAN CHASE & CO. | 12.83M | 9.10% |
| 2025-08-14 | T. Rowe Price Associates, Inc. | 12.19M | 8.90% |
| 2025-07-22 | JPMORGAN CHASE & CO. | 10.59M | 7.70% |
| 2025-05-14 | T. Rowe Price Associates, Inc. | 10.55M | 7.80% |
| 2025-04-17 | BlackRock, Inc. | 7.57M | 5.60% |
| 2025-02-14 | T. Rowe Price Associates, Inc. | 6.74M | 5.10% |
| 2025-02-10 | JPMORGAN CHASE & CO. | 6.67M | 5.00% |
| 2024-11-08 | (1) BlackRock, Inc. | 8.24M | 6.70% |
| 2024-10-22 | (1) BlackRock, Inc. | 8.24M | 6.70% |
| 2024-01-31 | (1) BlackRock, Inc. | 6.31M | 5.20% |
| 2022-06-09 | (1) BlackRock, Inc. | 4.71M | 4.90% |
| 2022-02-14 | 13-3017981 | 6.81M | 7.20% |
| 2022-02-10 | The Vanguard Group - 23-1945930 | 7.79M | 8.23% |
| 2022-02-03 | (1) BlackRock, Inc. | 7.01M | 7.40% |
| 2022-01-24 | JPMORGAN CHASE & CO.13-2624428 | 5.03M | 5.30% |
| 2021-02-16 | 13-3017981 | 6.22M | 7.28% |
| 2021-02-16 | Alger Group Holdings, LLC | 6.22M | 7.28% |
| 2021-02-16 | Fred Alger Management, LLC | 5.49M | 6.43% |
| 2021-02-10 | The Vanguard Group - 23-1945930 | 7.4M | 8.67% |
| 2021-02-05 | (1) BlackRock, Inc. | 6.24M | 7.30% |
| 2020-02-13 | Dr. James I. Healy | 3.14M | 4.10% |
| 2020-02-13 | Sofinnova Venture Partners VIII, L.P. (“SVP VIII”) | 1.55M | 2.00% |
| 2020-02-14 | Capital World Investors ** | 4.77M | 6.10% |
| 2020-02-13 | Sofinnova Venture Partners IX, L.P. (“SVP IX”) | 1.55M | 2.00% |
| 2020-02-13 | Sofinnova Management IX, L.L.C. | 1.55M | 2.00% |
| 2020-02-13 | Sofinnova Management VIII, L.L.C. | 1.55M | 2.00% |
| 2020-02-13 | Dr. Michael F. Powell (“Powell”) | 3.1M | 4.00% |
| 2020-02-12 | The Vanguard Group - 23-1945930 | 6.73M | 8.68% |
| 2020-02-07 | (1) BlackRock, Inc. | 4.98M | 6.40% |
| 2017-12-11 | L.P. | 1.8M | 3.34% |
| 2017-12-11 | Company, L.P. | 2.78M | 5.17% |
| 2017-12-11 | James E. Flynn | 2.78M | 5.17% |
| 2017-12-11 | L.P. | 2.78M | 5.17% |
| 2017-12-11 | Master Fund, L.P. | 981.24K | 1.82% |
| 2017-02-14 | Christopher J. Schaepe | - | 0.00% |
| 2017-02-14 | Lightspeed Venture Partners VIII, L.P. | - | 0.00% |
| 2017-02-14 | Barry Eggers | - | 0.00% |
| 2017-02-14 | Ravi Mhatre | 37934.0 | 0.07% |
| 2017-02-14 | Peter Y. Nieh | - | 0.00% |
| 2017-02-14 | Lightspeed General Partner VIII, L.P. | - | 0.00% |
| 2017-02-14 | Lightspeed Ultimate General Partner VIII, Ltd. | - | 0.00% |
| 2016-02-16 | Peter Y. Nieh | 3.97M | 7.90% |
| 2016-02-16 | Lightspeed Venture Partners VIII, L.P. | 3.97M | 7.90% |
| 2016-02-16 | Lightspeed General Partner VIII, L.P. | 3.97M | 7.90% |
| 2016-02-16 | Lightspeed Ultimate General Partner VIII, Ltd. | 3.97M | 7.90% |
| 2016-02-16 | Ravi Mhatre | 3.97M | 7.90% |
| 2016-02-16 | Christopher J. Schaepe | 3.97M | 7.90% |
| 2016-02-16 | Barry Eggers | 3.97M | 7.90% |
| 2016-02-12 | Page 4 of 9 Pages | 723.33K | 1.40% |
| 2016-02-12 | Matthew Rabinowitz | 5.23M | 10.00% |
| 2016-02-12 | of 9 Pages | 6.77M | 13.50% |
| 2016-02-12 | of 9 Pages | 7.74M | 15.50% |
| 2016-02-12 | of 9 Pages | 253.24K | 0.50% |
| 2015-07-13 | Sofinnova Management IX, L.L.C. | 1.55M | 3.20% |
| 2015-07-13 | Sofinnova Management VIII, L.L.C. | 1.55M | 3.20% |
| 2015-07-13 | Sofinnova Venture Partners VIII, L.P. (“SVP VIII”) | 1.55M | 3.20% |
| 2015-07-13 | Sofinnova Venture Partners IX, L.P. (“SVP IX”) | 1.55M | 3.20% |
| 2015-07-13 | Dr. Srinivas Akkaraju | 3.1M | 6.40% |
| 2015-07-13 | Dr. Michael F. Powell (“Powell”) | 3.1M | 6.40% |
| 2015-07-13 | Dr. James I. Healy | 3.1M | 6.40% |
| 2015-07-13 | Dr. Anand Mehra | 3.1M | 6.40% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-12-31 | $229.09 | 136.72M | $31.32B | $1.08B | $214.38M | $30.46B |
| 2024-12-31 | $158.30 | 124.72M | $19.74B | $945.59M | $187.12M | $18.98B |
| 2023-12-31 | $62.64 | 115M | $7.2B | $642.1M | $441.99M | $7B |
| 2022-12-31 | $40.17 | 98.41M | $3.95B | $466.09M | $446.22M | $3.93B |
| 2021-12-31 | $93.39 | 90.56M | $8.46B | $84.39M | $397.23M | $8.77B |
| 2020-12-31 | $99.52 | 81.01M | $8.06B | $48.67M | $281.09M | $8.29B |
| 2019-12-31 | $33.69 | 69.56M | $2.34B | $61.93M | $155.82M | $2.44B |
| 2018-12-31 | $13.96 | 57.73M | $805.87M | $46.41M | $123.51M | $882.97M |
| 2017-12-31 | $8.99 | 53.31M | $479.27M | $12.62M | $123.18M | $589.83M |
| 2016-12-31 | $11.71 | 51.45M | $602.48M | $15.26M | $49.62M | $636.84M |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-03-31 | $199.99 | 141.5M | $28.3B | $1.09B | $240.08M | $27.45B |
| 2025-12-31 | $229.09 | 136.72M | $31.32B | $1.08B | $214.38M | $30.46B |
| 2025-09-30 | $160.97 | 137.19M | $22.08B | $1.04B | $198.73M | $21.24B |
| 2025-06-30 | $168.94 | 136.39M | $23.04B | $1B | $196.14M | $22.24B |
| 2025-03-31 | $141.41 | 134.75M | $19.05B | $973.77M | $195.6M | $18.28B |
| 2024-12-31 | $158.30 | 124.72M | $19.74B | $945.59M | $187.12M | $18.98B |
| 2024-09-30 | $126.95 | 123.78M | $15.71B | $892.84M | $475.73M | $15.3B |
| 2024-06-30 | $107.81 | 122.85M | $13.24B | $796.8M | $437.6M | $12.89B |
| 2024-03-31 | $92.96 | 120.81M | $11.23B | $813.82M | $439.79M | $10.86B |
| 2023-12-31 | $62.64 | 119.3M | $7.47B | $642.1M | $441.99M | $7.27B |
| 2023-09-30 | $44.25 | 114.77M | $5.08B | $668.71M | $442.38M | $4.85B |
| 2023-06-30 | $48.66 | 113.69M | $5.53B | $381.11M | $444.24M | $5.6B |