Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
140 institutional managers reported holding PONY for the quarter ended Mar 31, 2026. Together they hold about 29% of shares outstanding; the top 10 hold 18%. 38 opened new positions; 37 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 13.91M | 3.66% | $131.2M | trimmed -21% | 2025 Q1 |
| Vanguard Group | 10.40M | 2.74% | $98.0M | opened | 2026 Q1 |
| HSG Holding LTD (focused) | 7.54M | 1.98% | $71.1M | unchanged | 2025 Q2 |
| TMT General Partner LTD (focused) | 6.94M | 1.83% | $65.5M | added +262.1% | 2025 Q2 |
| Ontario Teachers Pension Plan Board | 6.49M | 1.71% | $61.2M | unchanged | 2024 Q4 |
| Baillie Gifford | 6.36M | 1.67% | $60.0M | added +0.9% | 2025 Q2 |
| Mirae Asset Global Etfs Holdings LTD. | 5.00M | 1.31% | $47.1M | trimmed -2.6% | 2024 Q4 |
| Aspex Management (HK) LTD (focused) | 4.14M | 1.09% | $39.0M | unchanged | 2024 Q4 |
| IDG China Venture Capital Fund IV Associates L.p. (focused) | 3.99M | 1.05% | $37.6M | added +80% | 2024 Q4 |
| Lingotto Investment Management LLP (focused) | 3.32M | 0.88% | $31.3M | trimmed -19.1% | 2024 Q4 |
| Morgan Stanley | 3.20M | 0.84% | $30.2M | added +5.9% | 2024 Q4 |
| Wellington Management | 3.03M | 0.80% | $28.6M | added +6.8% | 2024 Q4 |
| Tiger Global | 2.90M | 0.76% | $27.3M | unchanged | 2024 Q4 |
| Carlyle Group (focused) | 2.36M | 0.62% | $22.3M | unchanged | 2024 Q4 |
| Bamco INC /NY/ | 2.13M | 0.56% | $20.0M | trimmed -17.8% | 2025 Q2 |
| UBS | 2.05M | 0.54% | $19.4M | added +54.4% | 2024 Q4 |
| ARK Investment Management | 1.93M | 0.51% | $18.2M | added +16.6% | 2025 Q3 |
| Citadel Advisors | 1.86M | 0.49% | $17.6M | trimmed -28.5% | 2024 Q4 |
| Sumitomo Mitsui Trust Group, INC. | 1.82M | 0.48% | $17.2M | trimmed -7.7% | 2025 Q2 |
| Amova Asset Management Americas, INC. | 1.82M | 0.48% | $17.2M | trimmed -7.7% | 2025 Q2 |
| FIL LTD | 1.67M | 0.44% | $15.8M | trimmed -26.7% | 2025 Q2 |
| M&G PLC | 1.64M | 0.43% | $15.4M | added +268.9% | 2025 Q4 |
| Soros Fund Management | 1.29M | 0.34% | $12.2M | added +4.9% | 2024 Q4 |
| Holocene Advisors | 1.22M | 0.32% | $11.5M | opened | 2026 Q1 |
| Eurizon Capital SGR S.p.A. | 1.18M | 0.31% | $11.1M | opened | 2026 Q1 |
| Masters Capital Management LLC (focused) | 950.0k | 0.25% | $9.0M | trimmed -20.8% | 2024 Q4 |
| Marex Group plc | 860.9k | 0.23% | $8.1M | added +51.9% | 2025 Q4 |
| Flight Deck Capital, LP (focused) | 839.9k | 0.22% | $7.9M | trimmed -1.6% | 2025 Q2 |
| Susquehanna International Group | 759.1k | 0.20% | $7.2M | trimmed -26.1% | 2025 Q2 |
| Yiheng Capital Management, L.p. (focused) | 653.2k | 0.17% | $6.2M | unchanged | 2025 Q3 |
| Mitsubishi UFJ Asset Management CO., LTD. | 609.1k | 0.16% | $5.7M | added +328.1% | 2025 Q2 |
| SG Americas Securities, LLC | 571.6k | 0.15% | $5.4M | added +5.1% | 2025 Q3 |
| Armistice Capital, LLC | 536.0k | 0.14% | $5.1M | added +14.5% | 2025 Q3 |
| State Street | 504.3k | 0.13% | $4.8M | added +8.8% | 2025 Q2 |
| Goldman Sachs | 488.0k | 0.13% | $4.6M | added +101.1% | 2025 Q1 |
| Vontobel Holding LTD. | 478.7k | 0.13% | $4.5M | opened | 2026 Q1 |
| Yunqi Capital LTD (focused) | 415.0k | 0.11% | $3.9M | unchanged | 2025 Q4 |
| Legal & General Group PLC | 393.9k | 0.10% | $3.7M | added +148.6% | 2025 Q2 |
| Evergreen Quality Fund GP, LTD. (focused) | 349.8k | 0.09% | $3.3M | added +249.8% | 2025 Q3 |
| Pictet Asset Management Holding SA | 333.0k | 0.09% | $3.1M | opened | 2026 Q1 |
| Charles Schwab Investment Management | 315.9k | 0.08% | $3.0M | opened | 2026 Q1 |
| Baader Bank Aktiengesellschaft | 204.5k | 0.05% | $1.9M | trimmed -11% | 2025 Q1 |
| Dnca Finance | 187.5k | 0.05% | $1.8M | opened | 2026 Q1 |
| Squarepoint Ops LLC | 173.1k | 0.05% | $1.6M | added +282.3% | 2024 Q4 |
| Franklin Resources | 163.7k | 0.04% | $1.5M | opened | 2026 Q1 |
| HRT Financial LP | 163.4k | 0.04% | $1.5M | trimmed -3.5% | 2025 Q3 |
| Jump Financial | 162.1k | 0.04% | $1.5M | opened | 2026 Q1 |
| BlackRock | 156.3k | 0.04% | $1.5M | added +4012.8% | 2024 Q4 |
| Verition Fund Management | 150.1k | 0.04% | $1.4M | trimmed -83.6% | 2025 Q4 |
| Schroder Investment Management Group | 149.2k | 0.04% | $1.4M | trimmed -2.1% | 2025 Q2 |
Largest 50 of 140 shown; the full ranked, searchable register is at boothcheck.com/holders/PONY. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.