Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
354 institutional managers reported holding TFX for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 60%. 59 opened new positions; 107 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 5.39M | 12.18% | $644.6M | added +1% | ≤2013 |
| Vanguard Group | 4.79M | 10.81% | $572.1M | unchanged | ≤2013 |
| Janus Henderson | 4.29M | 9.70% | $513.0M | added +1.1% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 3.84M | 8.67% | $458.6M | added +34.9% | 2022 Q3 |
| Baupost Group (focused) | 1.59M | 3.60% | $190.7M | opened | 2026 Q1 |
| Sessa Capital IM, L.p. (focused) | 1.53M | 3.45% | $182.5M | opened | 2026 Q1 |
| State Street | 1.50M | 3.40% | $179.7M | added +1.6% | ≤2013 |
| Fuller & Thaler Asset Management, INC. | 1.36M | 3.08% | $163.1M | added +95.7% | 2025 Q3 |
| Citadel Advisors | 1.17M | 2.65% | $140.0M | added +1686.2% | 2024 Q2 |
| Cooke & Bieler LP | 1.14M | 2.58% | $136.6M | trimmed -3.4% | 2023 Q1 |
| Abrams Bison Investments, LLC (focused) | 1.00M | 2.26% | $119.5M | added +3.2% | 2025 Q3 |
| Geode Capital | 998.4k | 2.26% | $119.4M | added +1.3% | ≤2013 |
| Dimensional Fund Advisors | 997.1k | 2.25% | $119.2M | trimmed -20.3% | ≤2013 |
| River Road Asset Management, LLC | 922.1k | 2.08% | $110.2M | opened | 2026 Q1 |
| Irenic Capital Management LP (focused) | 870.0k | 1.97% | $104.0M | opened | 2026 Q1 |
| Pzena Investment Management | 699.1k | 1.58% | $83.6M | added +84.2% | 2025 Q2 |
| Millennium Management | 682.1k | 1.54% | $81.5M | added +15.2% | ≤2013 |
| Point72 | 677.3k | 1.53% | $81.0M | opened | 2026 Q1 |
| Arrowstreet Capital | 638.8k | 1.44% | $76.4M | trimmed -14.8% | 2025 Q1 |
| Morgan Stanley | 536.2k | 1.21% | $64.1M | trimmed -78.5% | ≤2013 |
| Charles Schwab Investment Management | 519.8k | 1.17% | $62.1M | added +3.7% | ≤2013 |
| Capital International Investors | 455.8k | 1.03% | $54.5M | unchanged | 2025 Q3 |
| Bank OF America CORP /DE/ | 446.0k | 1.01% | $53.3M | added +6.4% | ≤2013 |
| Invenomic Capital Management LP | 436.1k | 0.98% | $52.1M | added +25.8% | 2024 Q4 |
| Gumshoe Capital Management LLC (focused) | 426.7k | 0.96% | $51.0M | added +65.7% | 2025 Q4 |
| Holocene Advisors | 415.3k | 0.94% | $49.7M | added +21.1% | 2024 Q2 |
| Balyasny Asset Management | 401.4k | 0.91% | $48.0M | added +357.8% | 2023 Q3 |
| Newtyn Management, LLC (focused) | 400.0k | 0.90% | $47.8M | opened | 2026 Q1 |
| Diamond Hill Capital Management INC | 342.5k | 0.77% | $40.9M | trimmed -2.1% | 2024 Q4 |
| UBS | 331.7k | 0.75% | $39.7M | trimmed -6.7% | ≤2013 |
| Northern Trust | 296.7k | 0.67% | $35.5M | added +3.1% | ≤2013 |
| Freestone Grove Partners LP | 296.5k | 0.67% | $35.4M | added +47.6% | 2024 Q4 |
| Ameriprise Financial INC | 286.9k | 0.65% | $34.3M | added +8% | ≤2013 |
| Boone Capital Management LLC (focused) | 278.8k | 0.63% | $33.3M | opened | 2026 Q1 |
| BNY Mellon | 263.1k | 0.59% | $31.5M | unchanged | ≤2013 |
| Wedge Capital Management L L P/NC | 251.7k | 0.57% | $30.1M | unchanged | 2025 Q3 |
| TD Asset Management INC | 249.0k | 0.56% | $29.8M | trimmed -18.2% | ≤2013 |
| Heartland Advisors INC | 216.0k | 0.49% | $25.8M | added +107.8% | 2024 Q3 |
| Principal Financial Group INC | 215.9k | 0.49% | $25.8M | added +1.9% | ≤2013 |
| Manufacturers Life Insurance Company, THE | 202.5k | 0.46% | $24.2M | trimmed -8.4% | ≤2013 |
| Goldman Sachs | 198.6k | 0.45% | $23.7M | added +69.2% | ≤2013 |
| Public Sector Pension Investment Board | 193.0k | 0.44% | $23.1M | unchanged | 2019 Q1 |
| Western Standard LLC (focused) | 184.8k | 0.42% | $22.1M | opened | 2026 Q1 |
| Jane Street | 173.3k | 0.39% | $20.7M | opened | 2026 Q1 |
| Pictet Asset Management Holding SA | 165.8k | 0.38% | $19.8M | added +2289% | 2016 Q4 |
| AQR Capital | 147.2k | 0.33% | $17.6M | trimmed -92.3% | ≤2013 |
| Victory Capital Management INC | 146.1k | 0.33% | $17.5M | added +2144.2% | 2019 Q1 |
| Marathon Asset Management LTD | 143.8k | 0.33% | $17.2M | added +39.7% | 2021 Q4 |
| Invesco | 135.0k | 0.30% | $16.1M | trimmed -17.1% | ≤2013 |
| GMT Capital CORP | 134.6k | 0.30% | $16.1M | opened | 2026 Q1 |
Largest 50 of 354 shown; the full ranked, searchable register is at boothcheck.com/holders/TFX. 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.