Amber International HoldingAMBR
13F holders, Q1 2026 (March 31)14holders −3
2new positions
5sold out
1famous investor
$2.36avg. 13F price*
At the end of Q1 2026, 14 institutions reported holding Amber International Holding (AMBR) in their 13F filings, down 3 from Q4 2025. 2 opened new positions and 5 sold out. The largest holders were Pantera Capital Partners LP ($226K), SmartHarvest Portfolios, LLC ($76K) and XTX Topco Ltd ($65K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Amber International Holding
- CUSIP
- 45113Y203
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $949 |
| Exits | 5 | $303K |
All 13F filers, Q4 2025 → Q1 2026: 34,004 shares bought and 282,525 shares sold, net −248,521 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 14 holders
| Pantera Capital Partners LP | 0.14% | No change | 95,694 | $226K |
| SmartHarvest Portfolios, LLC | 0.03% | Add +60.0% | 32,215 | $76K |
| XTX Topco Ltd | 0.00% | Reduce -33.6% | 27,332 | $65K |
| UBS Group AG | 0.00% | Add +396.2% | 26,786 | $63K |
| Citadel Advisors | 0.00% | Reduce -61.8% | 19,490 | $46K |
| Susquehanna International Group, LLP | 0.00% | Reduce -57.5% | 11,755 | $28K |
| Two Sigma Investments, LP | 0.00% | No change | 11,502 | $27K |
| BlackRock, Inc. | 0.00% | Reduce -41.0% | 1,845 | $4K |
| Rhumbline Advisers | 0.00% | No change | 1,027 | $2K |
| Daiwa Securities Group Inc. | 0.00% | New | 400 | $944 |
| Simplex Trading, LLC | 0.00% | Reduce -98.2% | 345 | $814 |
| SBI Securities Co., Ltd. | 0.00% | Add +133.0% | 233 | $550 |
| Morgan Stanley | 0.00% | Reduce -99.7% | 73 | $172 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 2 | $5 |
"% of holder's portfolio" is AMBR's weight in each manager's 13F, not the share of Amber International Holding the manager owns.