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AMPLITUDE-A (AMPL)
NASDAQ
$16.97+$0.14 (+0.80%)
Price as of Nov 11, 2026 7:32 PM EST- $1.8BMarket Cap
- 50.54%1-Year Change
- Software - ApplicationIndustry
AMPLITUDE-A (AMPL)
$16.97+$0.14 (+0.80%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
WELLINGTON MANAGEMENT GROUP LLP | 8.70% | 11.1M | -68,550 (-0.62%) | Jun 30, 2026 |
VANGUARD GROUP INC | 8.49% | 10.8M | +934,350 (+8.63%) | Dec 31, 2025 |
BLACKROCK, INC. | 7.88% | 10.0M | -117,358 (-1.17%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 4.88% | 6.2M | +43,014 (+0.69%) | Dec 31, 2024 |
N/A | 4.77% | 6.1M | -81,152 (-1.33%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 4.77% | 6.1M | -81,152 (-1.33%) | Jun 30, 2026 |
FMR LLC | 4.69% | 6.0M | +2.7M (+44.62%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 5.52% | 7.0M | -356,285 (-5.07%) | Jun 30, 2026 |
FIDELITY SELECT PORTFOLIOS | 3.72% | 4.7M | +250,400 (+5.28%) | Aug 31, 2026 |
VANGUARD WORLD FUND | 1.76% | 2.2M | +7,091 (+0.32%) | Aug 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.84% | 1.1M | +980,274 (+91.56%) | Jul 31, 2026 |
HARTFORD MUTUAL FUNDS INC/CT | 0.69% | 884,264 | +202,991 (+22.96%) | Jul 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.65% | 831,990 | -46,695 (-5.61%) | Aug 31, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.52% | 665,821 | +61,502 (+9.24%) | Aug 31, 2026 |
Current Ownership Distribution
- Institutions1.2B (75.77%)
- Mutual Funds359.6M (22.77%)
- Insiders23.0M (1.46%)
- Other0 (0.00%)
Insider Transactions
- 1.46% (23.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 5Number of InsiderSelling (last 12 months)
- $36.7MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Skates Spenser CEO and President | Conversion | Nov 05, 2026 | $0.00 | 61 | $0.00 | 192,108 |
Skates Spenser CEO and President | Conversion | Nov 05, 2026 | $0.00 | 61 | $0.00 | 61 |
Skates Spenser CEO and President | Sell | Nov 05, 2026 | $508.05 | 29 | $17.52 | 32 |
Skates Spenser CEO and President | Sell | Nov 05, 2026 | $597.44 | 32 | $18.67 | 0 |
Skates Spenser CEO and President | Conversion | Nov 04, 2026 | $0.00 | 901 | $0.00 | 192,169 |
Skates Spenser CEO and President | Conversion | Nov 04, 2026 | $0.00 | 901 | $0.00 | 901 |
Skates Spenser CEO and President | Sell | Nov 04, 2026 | $15,734.07 | 901 | $17.46 | 0 |
Raji Vijaye Ganesh | Award | Oct 15, 2026 | $0.00 | 37,851 | $0.00 | 37,851 |
Schultz Erica | Award | Oct 05, 2026 | $0.00 | 892 | $0.00 | 143,992 |
Skates Spenser CEO and President | Conversion | Oct 02, 2026 | $0.00 | 70,087 | $0.00 | 307,157 |
Skates Spenser CEO and President | Conversion | Oct 02, 2026 | $0.00 | 70,087 | $0.00 | 70,087 |
Skates Spenser CEO and President | Sell | Oct 02, 2026 | $1.0M | 70,087 | $14.52 | 0 |
Skates Spenser CEO and President | Conversion | Oct 01, 2026 | $0.00 | 3,539 | $0.00 | 377,244 |
Skates Spenser CEO and President | Conversion | Oct 01, 2026 | $0.00 | 3,539 | $0.00 | 3,539 |
Skates Spenser CEO and President | Sell | Oct 01, 2026 | $51,138.55 | 3,539 | $14.45 | 0 |
Skates Spenser CEO and President | Conversion | Sep 30, 2026 | $0.00 | 1,374 | $0.00 | 1,374 |
Skates Spenser CEO and President | Sell | Sep 30, 2026 | $19,858.42 | 1,374 | $14.45 | 0 |
Skates Spenser CEO and President | Conversion | Sep 30, 2026 | $0.00 | 1,374 | $0.00 | 380,783 |
Skates Spenser CEO and President | Conversion | Sep 10, 2026 | $0.00 | 185,000 | $0.00 | 382,157 |
Skates Spenser CEO and President | Conversion | Sep 10, 2026 | $0.00 | 185,000 | $0.00 | 185,000 |
Skates Spenser CEO and President | Sell | Sep 10, 2026 | $2.3M | 185,000 | $12.30 | 0 |
Crook Nathaniel Glenn Chief Commercial Officer | Sell | Sep 04, 2026 | $3.9M | 300,000 | $12.99 | 1.6M |
Casey Andrew Chief Financial Officer | In Kind | Aug 17, 2026 | $948,766.42 | 72,814 | $13.03 | 1.4M |
Liu Curtis Chief Technology Officer | In Kind | Aug 17, 2026 | $702,030.34 | 53,878 | $13.03 | 950,316 |
Skates Spenser CEO and President | In Kind | Aug 17, 2026 | $682,368.07 | 52,369 | $13.03 | 1.2M |
Crook Nathaniel Glenn Chief Commercial Officer | In Kind | Aug 17, 2026 | $1.4M | 109,368 | $13.03 | 1.9M |
Schultz Erica | Award | Jul 05, 2026 | $0.00 | 1,659 | $0.00 | 143,100 |
Wong Catherine | Sell | Jun 12, 2026 | $50,579.78 | 7,453 | $6.79 | 111,462 |
Grady Patrick W | Award | Jun 09, 2026 | $0.00 | 24,857 | $0.00 | 85,806 |
Wong Catherine | Award | Jun 09, 2026 | $0.00 | 24,857 | $0.00 | 118,915 |