Avantor (AVTR) Gains Traction Under New Management
Longleaf Partners, managed by Southeastern Asset Management, released its second-quarter 2026 investor letter for its “Partners Fund”. A copy of the letter can be downloaded here.
Avantor Inc. (AVTR)
Market is closed
Hedge Fund Popularity
Hedge Fund Holdings
Filing Period:
Last updated on based on SEC 13F filings Last update:
| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Greenhaven Associates Edgar Wachenheim | 24,637,310 | $243,909,369 | +10% | 2.82% |
| 2. | Engine Capital Arnaud Ajdler | 19,860,830 | $196,622,217 | +1% | 19.13% |
| 3. | Marshall Wace LLP Paul Marshall And Ian Wace | 13,130,158 | $129,988,565 | +282% | 0.1% |
| 4. | AQR Capital Management Cliff Asness | 11,627,566 | $115,112,902 | +139% | 0.04% |
| 5. | D E Shaw D. E. Shaw | 9,571,523 | $94,758,077 | -27% | 0.05% |
Insider Trading: Purchases See All
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $8.32 | 10,000 | $83,200.00 | 60,000 | 2026-05-08 | Filing | |
| $8.14 | 25,000 | $203,500.00 | 25,000 | 2026-05-01 | Filing | |
| $8.01 | 125,000 | $1,001,250.00 | 475,000 | 2026-03-10 | Filing | |
| $9.16 | 50,000 | $458,000.00 | 50,000 | 2026-02-19 | Filing | |
| $9.40 | 100,000 | $940,000.00 | 400,000 | 2026-02-12 | Filing |
Insider Trading: Sales See All
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $11.39 | 3,476 | $39,591.64 | 55,068 | 2025-08-05 | Filing | |
| $17.00 | 774 | $13,158.00 | 86,605 | 2025-02-27 | Filing | |
| $17.53 | 3,758 | $65,877.74 | 87,379 | 2025-02-26 | Filing | |
| $17.00 | 1,033 | $17,561.00 | 39,571 | 2025-02-27 | Filing | |
| $17.53 | 4,907 | $86,019.71 | 40,604 | 2025-02-26 | Filing |
Institutional Investors' Holdings
Filing Period:
| No. | Name | Shares | Value | % Port |
|---|---|---|---|---|
| 1. | 120,020,974 | $1,188,207,643 | 0.62% | |
| 2. | 70,281,231 | $695,784,194 | 0.01% | |
| 3. | 31,343,250 | $310,298,175 | 0.01% | |
| 4. | 30,802,835 | $304,948,067 | 0.01% | |
| 5. | 21,572,974 | $213,572,443 | 0.01% |
News See All
10 Best Stocks to Buy Under $10
On June 16, Reuters reported that Wells Fargo has increased its year-end 2026 target for the S&P 500 to 7,950.
10 Best Cheap Stocks Under $10 to Buy in June
On May 27, Kathleen Entwistle, Morgan Stanley Private Wealth Management Managing Director & Private Wealth Advisor, joined 'Fast Money' on CNBC to talk about buying opportunities in the current market...
10 Best Single Digit Stocks to Buy Right Now
On May 27, Reuters reported that the benchmark S&P 500 is expected to end 2026 slightly above its current record levels.
Avantor (AVTR) Fell as Destocking Has Lasted Longer Than Expected
Broyhill Asset Management, an investment advisor, released its first-quarter 2026 investor letter. A copy of the letter can be downloaded here.
Avantor (AVTR) Slid on Lower Than Expected Guidance
Longleaf Partners, managed by Southeastern Asset Management, released its first-quarter 2026 investor letter. A copy of the letter is available to download here.
Avantor, Inc. (NYSE:AVTR) Q1 2026 Earnings Call Transcript
Operator: Good morning. My name is Emily, and I will be your conference operator today. At this time, I would like to welcome everyone to Avantor's First Quarter 2026 Earnings Results Conference Call.
10 Best Medical Stocks to Buy Under $30
On April 28, Reuters reported that the US Food and Drug Administration has introduced a new pilot program that would allow the agency to monitor clinical trial data in real time.
10 Best Mid Cap Stocks to Invest In According to Billionaires
Venu Krishna, Managing Director and Head of U.S. Equity Strategy at Barclays, talked about the recent market increase and the implications for investors on April 2.
Longleaf Partners Global Fund Increased Its Stake in Avantor (AVTR)
Longleaf Partners, managed by Southeastern Asset Management, released its fourth-quarter 2025 investor letter for “Longleaf Partners Global Fund”. A copy of the letter can be downloaded here.
Hedge Fund Resource Center