Charles & Colvard Ltd
CTHRDelisted- Industry
- Jewelry, Silverware & Plated Ware
- SEC CIK
- 0001015155
Charles & Colvard Ltd was delisted in 2025; its insiders filed their last Form 4 on Aug 25, 2025; 13 institutions reported holding it in 13F filings for Q1 2025, worth $239.9K in total; no superinvestor held it.
Key figures
- Insider buys
- 0
- Open market, last 90 days
- Insider sells
- 0
- Open market, last 90 days
- 13F holders
- 13
- Q1 2025, −1 vs. previous quarter
- 13F value
- $239.9K
- Reported value at the end of Q1 2025
- Superinvestors holding
- 0
- At the end of Q1 2025
Superinvestors holding CTHR, Q1 2025
No superinvestor reported holding CTHR at the end of Q1 2025.
Latest insider trades
Open-market purchases and sales by Charles & Colvard Ltd insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 7, 2024 (view filing)4:15 PM ET | Mar 5 | 2 days | O'Connell DonPresident and CEO | PPurchase | +15.0K | $0.37 | +$5.55K | +6.2%256.0K after | |
| Mar 5, 2024 (view filing)6:21 PM ET | Mar 1 | 4 days | Sykes Ollin BDirector, 10% Owner | PPurchase | +19.0K | $0.3699 | +$7.03K | +1.0%1.86M after | |
| Mar 5, 2024 (view filing)9:15 AM ET | Mar 1 | 4 days | O'Connell DonPresident and CEO | PPurchase | +13.3K | $0.36 | +$4.81K | +3.0%464.5K after | |
| Mar 1, 2024 (view filing)4:15 PM ET | Feb 28-29 | 2 days | Sykes Ollin BDirector, 10% Owner | PPurchase | +44.9K | $0.3847 | +$17.3K | +33.1%180.5K after | 2 lots |
| Feb 26, 2024 (view filing)4:15 PM ET | Feb 22 | 4 days | Sykes Ollin BDirector, 10% Owner | PPurchase | +107.5K | $0.3258 | +$35.0K | +6.2%1.84M after | |
| Feb 23, 2024 (view filing)4:15 PM ET | Feb 22 | 1 day | O'Connell DonPresident and CEO | PPurchase | +30.0K | $0.3388 | +$10.2K | +14.2%241.0K after | |
| Feb 21, 2024 (view filing)4:16 PM ET | Feb 16 | 5 days | Sykes Ollin BDirector | PPurchase | +125.0K | $0.3739 | +$46.7K | +7.8%1.74M after | |
| Dec 14, 2023 (view filing)4:45 PM ET | Dec 13 | 1 day | O'Connell DonPresident and CEO | PPurchase | +50.0K | $0.395 | +$19.8K | +31.1%211.0K after | |
| Dec 11, 2023 (view filing)6:26 PM ET | Dec 7-8 | 4 days | Sykes Ollin BDirector | PPurchase | +61.9K | $0.4085 | +$25.3K | +4.0%1.61M after | 2 lots |
| Dec 6, 2023 (view filing)4:15 PM ET | Dec 4-5 | 2 days | O'Connell DonPresident and CEO | PPurchase | +61.0K | $0.44 | +$26.8K | +61.0%161.0K after | 2 lots |
Top 10 13F holders, Q1 2025
The largest institutional positions in Charles & Colvard Ltd at the end of Q1 2025; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 111,669 | $107.2K | 0.00% | −1,500−1.3% | Reduced |
| Citadel Advisors LLC | 58,780 | $56.4K | 0.00% | +58,780 | New |
| Vanguard Group Inc | 45,367 | $43.6K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 20,334 | $19.5K | 0.00% | +3,393+20.0% | Added |
| BlackRock, Inc. | 5,932 | $5.70K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 5,054 | $4.85K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,758 | $1.69K | 0.00% | −266−13.1% | Reduced |
| UBS Group AG | 564 | $541 | 0.00% | +527+1,424.3% | Added |
| Morgan Stanley | 300 | $288 | 0.00% | −50−14.3% | Reduced |
| SBI Securities Co., Ltd. | 59 | $57 | 0.00% | 00.0% | Unchanged |
Holders of 5% or more of CTHR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Charles & Colvard Ltd.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Bhanderi Ruten | 13D | 42.79%1.91M shares | New | Sep 8, 20251 filing | Sep 8, 2025 | SEC |
| Pham Duc Hoang | 13D/A | 11.90%532.2K shares | +2.30 ppfrom 9.60% | Aug 22, 20253 filings | Sep 25, 2025 | SEC |
| Riverstyx Capital Management LLC | 13D/A | 11.90%532.2K shares | +4.50 ppfrom 7.40% | Jul 16, 20252 filings | Sep 24, 2025 | SEC |
| Riverstyx Capital Management LLC | 13D/A | 7.40%232.2K shares | 0.00 ppfrom 7.40% | Apr 22, 20247 filings | Sep 2, 2025 | SEC |