Latest Period
Q4 2025
Security Snapshot
Amplitude, Inc. - Common Stock (AMPL) Institutional Ownership
CUSIP: 03213A104
13F Institutional Holders and Ownership History from Q3 2021 to Q1 2026
Institutions Reporting
207
Shares (Excl. Options)
80,374,972
Price
$11.58
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- Type / Class
- Equity / Common Stock
- Symbol
- AMPL on Nasdaq
- Shares outstanding
- 104,172,950
- Price per share
- $6.82
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 80,374,972
- Total reported value
- $930,711,853
- % of total 13F portfolios
- 0%
- Share change
- +2,766,789
- Value change
- +$23,914,574
- Number of holders
- 207
- Price from insider filings
- $6.82
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- AMPL - Amplitude, Inc. - Common Stock is tracked under CUSIP 03213A104.
- 207 institutions reported positions in Q4 2025.
- 8 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 207 to 45 between Q4 2025 and Q1 2026.
- Reported value moved from $930,711,853 to $37,666,100.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 207 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 03213A104?
CUSIP 03213A104 identifies AMPL - Amplitude, Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 03213A104:
Significant Owners of Amplitude, Inc. - Common Stock (AMPL) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 11% | $76,074,072 | 11,154,556 | Wellington Management Group LLP | 31 Mar 2026 | |||
| SC US (TTGP), LTD. | 9.9% | $90,681,044 | 10,223,342 | SC US (TTGP), LTD. ("SC US (TTGP)") | 20 Feb 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6% | $42,627,571 | 6,250,377 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| ALLIANCEBERNSTEIN L.P. | 5.9% | $64,592,181 | 6,025,390 | AllianceBernstein L.P. | 30 Sep 2025 | |||
| GIC Private Ltd | 4.8% | $63,317,845 | 4,977,818 | GIC Private Ltd | 30 Jun 2025 | |||
| Battery Ventures XI-A, L.P. | 4.7% | $41,385,513 | 4,665,785 | Neeraj Agrawal | 31 Mar 2025 | |||
| FMR LLC | 3.3% | -54% | $41,829,478 | -$51,126,005 | 3,288,481 | -55% | FMR LLC | 30 Jun 2025 |
| T. Rowe Price Investment Management, Inc. | 0% | -100% | $5,107 | -$58,726,731 | 441 | -100% | T. Rowe Price Investment Management, Inc. | 31 Dec 2025 |
As of 31 Dec 2025, 207 institutional investors reported holding 80,374,972 shares of Amplitude, Inc. - Common Stock (AMPL). This represents 77% of the company’s total 104,172,950 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Amplitude, Inc. - Common Stock (AMPL) together control 61% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 10% | 10,825,568 | +9.4% | 0% | $125,360,077 |
| BlackRock, Inc. | 9.4% | 9,782,411 | +1.9% | 0% | $113,280,324 |
| ALLIANCEBERNSTEIN L.P. | 6% | 6,243,312 | +3.6% | 0.02% | $72,297,553 |
| Point72 Asset Management, L.P. | 3.4% | 3,498,694 | +174% | 0.06% | $40,514,877 |
| SC US (TTGP), LTD. | 2.7% | 2,798,951 | 0% | 0.23% | $32,411,853 |
| BAILLIE GIFFORD & CO | 2.6% | 2,741,880 | +2.2% | 0.03% | $31,750,971 |
| Nuveen, LLC | 2.5% | 2,645,618 | +19% | 0.01% | $30,636,256 |
| TimesSquare Capital Management, LLC | 2.4% | 2,513,383 | +23% | 0.44% | $29,104,975 |
| STATE STREET CORP | 2.2% | 2,305,400 | +2.9% | 0% | $26,696,532 |
| MILLENNIUM MANAGEMENT LLC | 2.2% | 2,252,730 | +9.3% | 0.02% | $26,086,613 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 2,226,694 | -0.33% | 0% | $25,789,717 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.9% | 1,964,050 | -3.1% | 0% | $22,743,699 |
| Optimus Prime Fund Management Co., Ltd. | 1.5% | 1,580,100 | 0% | 1.5% | $18,297,558 |
| LIGHT STREET CAPITAL MANAGEMENT, LLC | 1.4% | 1,500,000 | 2.7% | $17,370,000 | |
| ArrowMark Colorado Holdings LLC | 1.4% | 1,484,297 | -6.4% | 0.38% | $17,188,159 |
| CITADEL ADVISORS LLC | 1.3% | 1,376,002 | +140% | 0.01% | $15,934,103 |
| GOLDMAN SACHS GROUP INC | 1.2% | 1,220,162 | +32% | 0% | $14,129,476 |
| TWO SIGMA INVESTMENTS, LP | 1% | 1,041,274 | +50% | 0.02% | $12,057,953 |
| Squarepoint Ops LLC | 0.93% | 967,957 | +28% | 0.02% | $11,208,942 |
| Meros Investment Management, LP | 0.83% | 861,874 | +13% | 4% | $9,980,501 |
| AQR CAPITAL MANAGEMENT LLC | 0.81% | 843,434 | +32% | 0.01% | $9,766,966 |
| NORTHERN TRUST CORP | 0.79% | 822,626 | -3.4% | 0% | $9,526,010 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.75% | 778,394 | +0.98% | 0% | $9,013,803 |
| Toronado Partners, LLC | 0.74% | 775,573 | -20% | 8.6% | $8,981,135 |
| GAGNON SECURITIES LLC | 0.67% | 698,870 | +37% | 1.6% | $8,092,915 |
Institutional Holders of Amplitude, Inc. - Common Stock (AMPL) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 5,519,606 | $37,666,100 | +$6,363,026 | $6.82 | 45 |
| 2025 Q4 | 80,374,972 | $930,711,853 | +$23,914,574 | $11.58 | 207 |
| 2025 Q3 | 78,146,457 | $837,723,046 | -$9,074,498 | $10.72 | 200 |
| 2025 Q2 | 77,829,112 | $965,076,911 | +$78,184,060 | $12.40 | 183 |
| 2025 Q1 | 72,315,789 | $737,553,809 | +$21,865,428 | $10.19 | 193 |
| 2024 Q4 | 70,092,083 | $739,473,505 | +$30,751,409 | $10.55 | 144 |
| 2024 Q3 | 66,796,758 | $599,167,382 | +$7,985,048 | $8.97 | 132 |
| 2024 Q2 | 65,640,292 | $584,175,438 | +$41,946,109 | $8.90 | 132 |
| 2024 Q1 | 60,794,003 | $661,458,674 | +$43,438,910 | $10.88 | 128 |
| 2023 Q4 | 56,461,335 | $718,179,976 | +$26,896,598 | $12.72 | 137 |
| 2023 Q3 | 54,624,442 | $632,004,183 | +$30,642,778 | $11.57 | 143 |
| 2023 Q2 | 52,003,504 | $572,130,530 | +$31,766,836 | $11.00 | 133 |
| 2023 Q1 | 49,846,623 | $625,020,570 | +$17,382,496 | $12.44 | 131 |
| 2022 Q4 | 39,957,580 | $482,681,928 | -$2,297,473 | $12.08 | 139 |
| 2022 Q3 | 46,296,868 | $716,256,413 | +$5,891,074 | $15.47 | 128 |
| 2022 Q2 | 44,016,720 | $628,994,738 | +$151,729,073 | $14.29 | 125 |
| 2022 Q1 | 32,192,490 | $593,319,000 | -$419,892,274 | $18.43 | 95 |
| 2021 Q4 | 34,750,601 | $1,839,914,508 | -$49,659,076 | $52.94 | 106 |
| 2021 Q3 | 34,090,306 | $1,852,466,000 | +$1,852,466,000 | $54.34 | 50 |