Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in AMBR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Pantera Capital Partners LP | 96K | $226K | 0.0% | 2.642% | 0.14% |
| 2 | SmartHarvest Portfolios, LLC | 32K | $76K | +60.0% | 0.889% | 0.03% |
| 3 | XTX Topco Ltd | 27K | $65K | -33.6% | 0.755% | 0.00% |
| 4 | UBS Group AG | 27K | $63K | +396.2% | 0.739% | 0.00% |
| 5 | CITADEL ADVISORS LLC | 19K | $46K | -61.8% | 0.538% | 0.00% |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 12K | $28K | -57.5% | 0.325% | 0.00% |
| 7 | TWO SIGMA INVESTMENTS, LP | 12K | $27K | 0.0% | 0.318% | 0.00% |
| 8 | BlackRock, Inc. | 2K | $4K | -41.0% | 0.051% | 0.00% |
| 9 | RHUMBLINE ADVISERS | 1K | $2K | 0.0% | 0.028% | 0.00% |
| 10 | SIMPLEX TRADING, LLC | 345 | $814 | -98.2% | 0.009% | 0.00% |
| 11 | SBI Securities Co., Ltd. | 233 | $550 | +133.0% | 0.006% | 0.00% |
| 12 | MORGAN STANLEY | 73 | $172 | -99.7% | 0.002% | 0.00% |
| 13 | Caitong International Asset Management Co., Ltd | 2 | $5 | — | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AMBR — a direct measure of their conviction.
Filings activity in AMBR during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new AMBR position in Q1 2026
Institutions that fully closed their AMBR position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 13 | 24% | 10.86% | 5.78 pp | $1M | 35% |
| Q4 2025 | 17 | 11% | 16.64% | 22.84 pp | $1M | 58% |
| Q3 2025 | 19 | +12% | 39.48% | 160.51 pp | $2M | 84% |
| Q2 2025 | 17 | +42% | 199.99% | +3.60 pp | $12M | +22% |
| Q1 2025 | 12 | 14% | 196.39% | +19.96 pp | $10M | +11% |
| Q4 2024 | 14 | +40% | 176.43% | +112.28 pp | $9M | +175% |
| Q3 2024 | 10 | 23% | 64.15% | +35.95 pp | $3M | +127% |
| Q2 2024 | 13 | — | 28.20% | — | $1M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying AMBR stock.
Based on Q1 2026 13F filings, institutional ownership of Amber International Holding Ltd stands at 10.9%, held across 13 reporting institutions.
Pantera Capital Partners LP is the largest reported institutional holder of AMBR, with approximately 95,694 shares worth $0.00B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of AMBR, including CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for AMBR is 37 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
1 institutions opened new positions in AMBR during Q1 2026, while 5 fully exited. 6 added to existing positions and 6 trimmed.
AMBR institutional ownership fell by 5.78 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 99.9% of all reported 13F value in AMBR, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Amber International Holding Ltd (AMBR) Institutional Ownership