AVANTOR INC · CUSIP 05352A100 · CIK 1562855
As of 2026-06-30, Clarkston Capital Partners, LLC reported 6.79M AVTR (shares), valued at $67.21M, or 5.68% of its reported non-derivative portfolio. Filed 2026-08-11.
Verify history & sources →Shares decreased 21.32%; reported value decreased 0.65%, and weight changed +0.52 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.
Left: % · Right: Shares · Independently scaled axes
Exact data and methodology
Axes scale independently; a crossing does not mean equal values. Weight uses each quarter's total reported non-derivative value. Same CUSIP; missing quarters are gaps, not zero. Revised history may include later disclosures.
| Quarter | Weight | Quantity | Source |
|---|---|---|---|
| Q2 2026 | 5.68% | 6,789,314 | SEC filing ↗Filed Aug 11, 2026 |
| Q1 2026 | 5.16% | 8,629,389 | SEC filing ↗Filed May 14, 2026 |
| Q4 2025 | 4.01% | 15,105,065 | SEC filing ↗Filed Feb 13, 2026 |
| Q3 2025 | 4.04% | 15,020,325 | SEC filing ↗Filed Nov 13, 2025 |
| Q2 2025 | 4.00% | 13,982,090 | SEC filing ↗Filed Aug 13, 2025 |
| Q1 2025 | 3.07% | 9,591,950 | SEC filing ↗Filed May 14, 2025 |
| Q4 2024 | 3.29% | 8,145,825 | SEC filing ↗Filed Feb 13, 2025 |
| Q3 2024 | 2.70% | 5,672,430 | SEC filing ↗Filed Nov 7, 2024 |
| Q2 2024 | 2.33% | 5,760,370 | SEC filing ↗Filed Aug 14, 2024 |
| Q1 2024 | 2.64% | 5,851,620 | SEC filing ↗Filed May 14, 2024 |
| Q4 2023 | 2.47% | 5,844,047 | SEC filing ↗Filed Feb 14, 2024 |
| Q3 2023 | 0.72% | 1,733,752 | SEC filing ↗Filed Nov 2, 2023 |
History & evidence by quarter
| Quarter | Weight | Quantity | Value | Change explained | Source |
|---|---|---|---|---|---|
| Q3 2023 | 0.72% | 1,733,752 | $36.55M | The prior quarter is outside the free window. Sign in for the comparison. | SEC filing ↗ Filed Nov 2, 2023 |
| Q4 2023 | 2.47% | 5,844,047 | $133.42M | Shares increased 237.08%; reported value increased 265.06%, and weight changed +1.75 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 14, 2024 |
| Q1 2024 | 2.64% | 5,851,620 | $149.63M | Shares increased 0.13%; reported value increased 12.15%, and weight changed +0.17 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 14, 2024 |
| Q2 2024 | 2.33% | 5,760,370 | $122.12M | Shares decreased 1.56%; reported value decreased 18.38%, and weight changed -0.31 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 14, 2024 |
| Q3 2024 | 2.70% | 5,672,430 | $146.75M | Shares decreased 1.53%; reported value increased 20.17%, and weight changed +0.37 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Nov 7, 2024 |
| Q4 2024 | 3.29% | 8,145,825 | $171.63M | Shares increased 43.60%; reported value increased 16.96%, and weight changed +0.59 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 13, 2025 |
| Q1 2025 | 3.07% | 9,591,950 | $155.49M | Shares increased 17.75%; reported value decreased 9.41%, and weight changed -0.22 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 14, 2025 |
| Q2 2025 | 4.00% | 13,982,090 | $188.20M | Shares increased 45.77%; reported value increased 21.04%, and weight changed +0.93 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 13, 2025 |
| Q3 2025 | 4.04% | 15,020,325 | $187.45M | Shares increased 7.43%; reported value decreased 0.40%, and weight changed +0.04 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Nov 13, 2025 |
| Q4 2025 | 4.01% | 15,105,065 | $173.10M | Shares increased 0.56%; reported value decreased 7.66%, and weight changed -0.03 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Feb 13, 2026 |
| Q1 2026 | 5.16% | 8,629,389 | $67.65M | Shares decreased 42.87%; reported value decreased 60.92%, and weight changed +1.15 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed May 14, 2026 |
| Q2 2026 | 5.68% | 6,789,314 | $67.21M | Shares decreased 21.32%; reported value decreased 0.65%, and weight changed +0.52 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds. | SEC filing ↗ Filed Aug 11, 2026 |
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