Mimecast Ltd
MIMEDelisted May 19, 2022- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001644675
Mimecast Ltd was delisted on May 19, 2022; its insiders filed their last Form 4 on May 31, 2022; 271 institutions reported holding it in 13F filings for Q1 2022, worth $4.28B in total; no superinvestor held it.
13F holders, Q3 2025
Institutional positions in Mimecast Ltd as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
MIME is no longer listed, and 13F filings after Q1 2022 list far fewer holders. See Q1 2022
- Institutional holders
- 1
- +1 vs. Q2 2025
- Shares held
- 9.12M
- +9.12M vs. Q2 2025
- Total value
- $298.2M
- +$298.2M vs. Q2 2025
- New holders
- 1
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MIME on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 1 | $298.2M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 1 | $16.0K |
| Q2 2022 | 2 | $18.0K |
| Q1 2022 | 271 | $4.28B |
| Q4 2021 | 312 | $4.27B |
| Q3 2021 | 256 | $3.65B |
| Q2 2021 | 209 | $2.90B |
| Q1 2021 | 209 | $2.12B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Mimecast Ltd; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Defender Capital, LLC. | 9,120,005 | $298.2M | 100.00% | +9,120,005 | New |