Amplitude Inc. Class AAMPL
13F holders, Q4 2025 (December 31)211holders +8
34new positions
28sold out
5famous investors
$11.58avg. 13F price*
At the end of Q4 2025, 211 institutions reported holding Amplitude Inc. Class A (AMPL) in their 13F filings, up 8 from Q3 2025. 34 opened new positions and 28 sold out. The largest holders were Vanguard Group Inc. ($125.4M), BlackRock, Inc. ($113.3M) and Alliancebernstein L.P. ($72.3M). 5 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Amplitude Inc. Class A
- CUSIP
- 03213A104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $37.1M |
| Exits | 28 | $26.4M |
All 13F filers, Q3 2025 → Q4 2025: 12,952,818 shares bought and 10,364,369 shares sold, net +2,588,449 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 211 holders
| Vanguard Group Inc. | 0.00% | Add +9.4% | 10,825,568 | $125.4M |
| BlackRock, Inc. | 0.00% | Add +1.9% | 9,782,411 | $113.3M |
| Alliancebernstein L.P. | 0.02% | Add +3.6% | 6,243,312 | $72.3M |
| Point72 Asset Management | 0.07% | Add +174.2% | 3,498,694 | $40.5M |
| SC US (ttgp), LTD. | 0.23% | No change | 2,798,951 | $32.4M |
| Baillie Gifford & Co. | 0.03% | Add +2.2% | 2,741,880 | $31.8M |
| Nuveen, LLC | 0.01% | Add +18.8% | 2,645,618 | $30.6M |
| TimesSquare Capital Management, LLC | 0.44% | Add +22.9% | 2,513,383 | $29.1M |
| State Street Corp. | 0.00% | Add +2.9% | 2,305,400 | $26.7M |
| Millennium Management | 0.02% | Add +9.3% | 2,252,730 | $26.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.3% | 2,226,694 | $25.8M |
| Wellington Management Group LLP | 0.00% | Reduce -3.1% | 1,964,050 | $22.7M |
| Optimus Prime Fund Management Co., Ltd. | 1.47% | No change | 1,580,100 | $18.3M |
| Light Street Capital Management, LLC | 2.67% | New | 1,500,000 | $17.4M |
| ArrowMark Colorado Holdings LLC | 0.38% | Reduce -6.4% | 1,484,297 | $17.2M |
| Citadel Advisors | 0.01% | Add +140.3% | 1,376,002 | $15.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +32.4% | 1,220,162 | $14.1M |
| Two Sigma Investments, LP | 0.02% | Add +49.6% | 1,041,274 | $12.1M |
| Squarepoint Ops LLC | 0.02% | Add +27.7% | 967,957 | $11.2M |
| Meros Investment Management, LP | 3.96% | Add +12.7% | 861,874 | $10.0M |
| AQR Capital Management | 0.01% | Add +31.6% | 843,434 | $9.8M |
| Northern Trust Corp. | 0.00% | Reduce -3.4% | 822,626 | $9.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.0% | 778,394 | $9.0M |
| Toronado Partners, LLC | 8.58% | Reduce -20.1% | 775,573 | $9.0M |
| Gagnon Securities LLC | 1.66% | Add +36.8% | 698,870 | $8.1M |
| Morgan Stanley | 0.00% | Reduce -10.7% | 685,561 | $7.9M |
| Bank of America Corp. | 0.00% | Add +2.0% | 659,613 | $7.6M |
| Two Sigma Advisers, LP | 0.01% | Add +113.9% | 560,500 | $6.5M |
| Portolan Capital Management, LLC | 0.35% | New | 560,096 | $6.5M |
| UBS Group AG | 0.00% | Add +173.8% | 544,805 | $6.3M |
| Acadian Asset Management LLC | 0.01% | Add +44.2% | 531,542 | $6.1M |
| Westerly Capital Management, LLC | 1.74% | Add +42.9% | 500,000 | $5.8M |
| Cerity Partners LLC | 0.01% | Reduce -0.1% | 467,177 | $5.4M |
| Gagnon Advisors, LLC | 3.36% | Add +29.5% | 457,212 | $5.3M |
| FMR LLC | 0.00% | Reduce -48.4% | 446,180 | $5.2M |
| Trexquant Investment LP | 0.05% | Reduce -15.0% | 444,674 | $5.1M |
| Walleye Capital LLC | 0.03% | Add +155.5% | 438,929 | $5.1M |
| Voloridge Investment Management, LLC | 0.02% | Reduce -29.1% | 402,828 | $4.7M |
| Monimus Capital Management, LP | 2.84% | Add +29.8% | 371,467 | $4.3M |
| Deutsche Bank AG | 0.00% | Add +167.0% | 364,467 | $4.2M |
| Voya Investment Management LLC | 0.00% | Add +6.9% | 355,659 | $4.1M |
| Algert Global LLC | 0.06% | Reduce -1.5% | 320,189 | $3.7M |
| G2 Investment Partners Management LLC | 0.78% | Reduce -40.5% | 284,481 | $3.3M |
| Bank of New York Mellon Corp | 0.00% | Add +0.3% | 263,983 | $3.1M |
| Marshall Wace, LLP | 0.00% | New | 255,399 | $3.0M |
| Circumference Group LLC | 3.07% | Add +9.2% | 238,000 | $2.8M |
| Barclays PLC | 0.00% | Add +59.1% | 230,863 | $2.7M |
| Jane Street Group, LLC | 0.00% | Reduce -54.1% | 226,674 | $2.6M |
| Susquehanna International Group, LLP | 0.00% | Add +76.2% | 218,863 | $2.5M |
| Susquehanna Fundamental Investments, LLC | 0.09% | Add +1673.0% | 218,776 | $2.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.5% | 206,640 | $2.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +56.5% | 201,872 | $2.3M |
| Engineers Gate Manager LP | 0.03% | Add +10.5% | 187,925 | $2.2M |
| Swiss National Bank | 0.00% | Add +5.1% | 181,200 | $2.1M |
| ExodusPoint Capital Management, LP | 0.02% | New | 171,876 | $2.0M |
| Savant Capital, LLC | 0.01% | Add +0.5% | 170,519 | $2.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -2.2% | 159,084 | $1.8M |
| Ieq Capital, LLC | 0.01% | Reduce -0.9% | 153,586 | $1.8M |
| HSBC Holdings PLC | 0.00% | Reduce -10.4% | 141,996 | $1.7M |
| Mercer Global Advisors Inc. | 0.00% | Add +1106.9% | 140,708 | $1.6M |
| Man Group plc | 0.00% | Add +678.5% | 138,522 | $1.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -0.3% | 131,961 | $1.5M |
| Ameriprise Financial Inc. | 0.00% | Add +17.3% | 130,110 | $1.5M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -42.0% | 123,062 | $1.4M |
| PDT Partners, LLC | 0.09% | Reduce -23.2% | 119,229 | $1.4M |
| Canada Pension Plan Investment Board | 0.00% | Add +300.7% | 115,000 | $1.3M |
| Invesco Ltd. | 0.00% | Add +16.4% | 113,682 | $1.3M |
| Utah Retirement Systems | 0.01% | No change | 112,795 | $1.3M |
| Rhumbline Advisers | 0.00% | Reduce -11.4% | 110,468 | $1.3M |
| United Capital Financial Advisors, LLC | 0.01% | New | 110,382 | $1.3M |
| Baker Avenue Asset Management, LP | 0.03% | Add +15.4% | 106,819 | $1.2M |
| Wells Fargo & Company | 0.00% | Add +77.1% | 105,753 | $1.2M |
| Kultura Capital Management LP | 0.89% | — | 105,600 | $1.2M |
| Sei Investments Co. | 0.00% | Add +63.6% | 103,313 | $1.2M |
| Wilson Asset Management (international) PTY Ltd. | 0.29% | Reduce -35.6% | 99,053 | $1.1M |
| First Trust Advisors LP | 0.00% | Reduce -68.9% | 91,736 | $1.1M |
| Marathon Capital Management | 0.22% | New | 88,600 | $1.0M |
| California State Teachers Retirement System | 0.00% | Add +9.0% | 88,275 | $1.0M |
| Mackenzie Financial Corp. | 0.00% | New | 86,730 | $1.0M |
| Legal & General Group Plc | 0.00% | Reduce -0.0% | 87,590 | $1.0M |
| Raymond James Financial Inc. | 0.00% | Reduce -66.8% | 83,916 | $972K |
| Renaissance Technologies | 0.00% | Reduce -53.4% | 81,649 | $945K |
| Verition Fund Management LLC | 0.01% | Reduce -6.5% | 79,681 | $923K |
| Madison Asset Management, LLC | 0.01% | New | 78,000 | $903K |
| Fox Run Management, L.L.C. | 0.14% | New | 76,443 | $885K |
| Russell Investments Group, Ltd. | 0.00% | Add +12.5% | 76,217 | $884K |
| Boothbay Fund Management, LLC | 0.02% | Reduce -30.0% | 72,602 | $841K |
| BNP Paribas Financial Markets | 0.00% | Reduce -70.8% | 72,151 | $836K |
| Creative Planning | 0.00% | Add +13.8% | 70,399 | $815K |
| Laurion Capital Management LP | 0.05% | New | 67,065 | $777K |
| SG Americas Securities, LLC | 0.00% | Add +32.5% | 64,525 | $747K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +9.7% | 63,761 | $697K |
| Nano Cap New Millennium Growth Fund L P | 0.59% | — | 60,000 | $695K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +52.2% | 58,073 | $672K |
| Cresset Asset Management, LLC | 0.00% | No change | 56,396 | $653K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +28.4% | 53,441 | $619K |
| Woodline Partners LP | 0.00% | Add +39.9% | 53,063 | $614K |
| STRS Ohio | 0.00% | No change | 51,800 | $600K |
| MetLife Investment Management, LLC | 0.00% | Reduce -2.6% | 51,341 | $595K |
| ARS Investment Partners, LLC | 0.03% | Add +32.6% | 48,824 | $565K |
"% of holder's portfolio" is AMPL's weight in each manager's 13F, not the share of Amplitude Inc. Class A the manager owns.