Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
282 institutional managers reported holding LIVN for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 52%. 49 opened new positions; 35 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 7.14M | 12.76% | $453.5M | trimmed -2.5% | 2015 Q4 |
| PRIMECAP Management | 4.21M | 7.52% | $267.2M | unchanged | 2018 Q4 |
| FMR (Fidelity) | 2.67M | 4.77% | $169.4M | added +5711.9% | 2020 Q4 |
| AQR Capital | 2.49M | 4.46% | $158.4M | added +15.7% | 2017 Q2 |
| Millennium Management | 2.44M | 4.36% | $154.9M | trimmed -30% | 2015 Q4 |
| Vanguard Group | 2.39M | 4.28% | $151.9M | added +2.4% | 2015 Q4 |
| Artisan Partners | 2.12M | 3.79% | $134.8M | trimmed -8.3% | 2024 Q4 |
| State Street | 2.07M | 3.71% | $131.7M | added +3% | 2015 Q4 |
| Wellington Management | 1.89M | 3.38% | $120.1M | trimmed -6.2% | 2024 Q4 |
| Dimensional Fund Advisors | 1.83M | 3.26% | $116.0M | added +2.1% | 2015 Q4 |
| American Century Companies INC | 1.79M | 3.21% | $114.0M | added +35.7% | 2023 Q2 |
| Invesco | 1.62M | 2.90% | $103.2M | added +48.9% | 2015 Q4 |
| Geode Capital | 1.50M | 2.68% | $95.1M | added +2.7% | 2015 Q4 |
| Congress Asset Management CO | 1.27M | 2.28% | $81.0M | opened | 2026 Q1 |
| Nuveen | 920.3k | 1.65% | $58.5M | unchanged | 2018 Q2 |
| Victory Capital Management INC | 833.3k | 1.49% | $52.9M | trimmed -1.8% | 2019 Q3 |
| Goldman Sachs | 799.0k | 1.43% | $50.7M | added +27.5% | 2015 Q4 |
| Greenhouse Funds Lllp (focused) | 768.3k | 1.37% | $48.8M | added +538.4% | 2025 Q4 |
| LSV Asset Management | 695.4k | 1.24% | $44.2M | unchanged | 2024 Q4 |
| Emerald Advisers, LLC | 670.2k | 1.20% | $42.6M | trimmed -4.4% | 2023 Q1 |
| Northern Trust | 666.3k | 1.19% | $42.3M | added +3.6% | 2015 Q4 |
| Hood River Capital Management LLC | 636.5k | 1.14% | $40.4M | opened | 2026 Q1 |
| Charles Schwab Investment Management | 610.1k | 1.09% | $38.8M | trimmed -0.6% | 2015 Q4 |
| Morgan Stanley | 594.1k | 1.06% | $37.7M | added +103.8% | 2015 Q4 |
| Soleus Capital Management, L.p. | 582.5k | 1.04% | $37.0M | added +2.6% | 2025 Q4 |
| Hotchkis & Wiley Capital Management LLC | 556.6k | 0.99% | $35.4M | trimmed -46.5% | 2024 Q4 |
| Driehaus Capital Management LLC | 543.7k | 0.97% | $34.5M | unchanged | 2025 Q3 |
| Bank OF America CORP /DE/ | 533.0k | 0.95% | $33.9M | trimmed -30.6% | 2015 Q4 |
| UBS | 518.3k | 0.93% | $32.9M | trimmed -25.3% | 2015 Q4 |
| ExodusPoint | 495.6k | 0.89% | $31.5M | added +317.4% | 2023 Q1 |
| Janus Henderson | 471.4k | 0.84% | $29.9M | added +1978.8% | 2021 Q3 |
| Emerald Mutual Fund Advisers Trust | 454.3k | 0.81% | $28.9M | unchanged | 2023 Q1 |
| Sio Capital Management, LLC | 421.6k | 0.75% | $26.8M | added +30.8% | 2025 Q4 |
| Paradice Investment Management LLC (focused) | 417.5k | 0.75% | $26.5M | trimmed -18.7% | 2017 Q1 |
| Ameriprise Financial INC | 408.6k | 0.73% | $26.0M | added +12.7% | 2015 Q4 |
| Parkman Healthcare Partners LLC | 404.0k | 0.72% | $25.7M | trimmed -1.7% | 2024 Q1 |
| BNY Mellon | 394.4k | 0.70% | $25.1M | trimmed -1.5% | 2015 Q4 |
| Kennedy Capital Management LLC | 364.4k | 0.65% | $23.1M | added +48.3% | 2017 Q3 |
| Oberweis Asset Management INC/ | 321.9k | 0.57% | $20.4M | added +51.6% | 2023 Q4 |
| State OF Wisconsin Investment Board | 321.4k | 0.57% | $20.4M | trimmed -6.4% | 2020 Q3 |
| Royal Bank OF Canada | 316.3k | 0.56% | $20.1M | added +1.5% | 2015 Q4 |
| Panagora Asset Management INC | 293.4k | 0.53% | $18.6M | added +11.3% | 2022 Q1 |
| Arrowstreet Capital | 288.3k | 0.52% | $18.3M | opened | 2026 Q1 |
| Wells Fargo & COMPANY/MN | 256.5k | 0.46% | $16.3M | trimmed -30.2% | 2015 Q4 |
| Raymond James Financial INC | 255.4k | 0.46% | $16.2M | added +107.2% | 2024 Q3 |
| Barclays PLC | 249.3k | 0.45% | $15.8M | trimmed -29.4% | 2015 Q4 |
| SEI Investments CO | 218.8k | 0.39% | $13.9M | added +56.6% | 2017 Q3 |
| Walleye Capital LLC | 213.6k | 0.38% | $13.6M | trimmed -67.1% | 2024 Q4 |
| Scopia Capital Management LP (focused) | 186.5k | 0.33% | $11.8M | trimmed -65.4% | 2025 Q2 |
| Bellevue Group AG | 186.2k | 0.33% | $11.8M | opened | 2026 Q1 |
Largest 50 of 282 shown; the full ranked, searchable register is at boothcheck.com/holders/LIVN. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.