AMPL
AMPLITUDE-A (AMPL)
NASDAQ
$6.67+$0.21 (+3.25%)
Price as of Jun 23, 2026 4:31 PM EDT
  • $671.0M
    Market Cap
  • -45.30%
    1-Year Change
  • Software - Application
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
WELLINGTON MANAGEMENT GROUP LLP
8.40%
11.2M
+9.2M (+82.39%)
Mar 31, 2026
VANGUARD GROUP INC
8.15%
10.8M
+934,350 (+8.63%)
Dec 31, 2025
BLACKROCK, INC.
7.65%
10.2M
+379,727 (+3.74%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
4.68%
6.2M
+43,014 (+0.69%)
Dec 31, 2024
N/A
4.64%
6.2M
+6.2M (+100.00%)
Mar 31, 2026
BLACKROCK INC.
4.42%
5.9M
+631,276 (+10.76%)
Jun 30, 2024
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
3.80%
5.1M
-3.9M (-76.67%)
Sep 30, 2025

Current Ownership Distribution

  • Institutions1.1B (77.68%)
  • Mutual Funds290.2M (20.56%)
  • Insiders24.8M (1.76%)
  • Other0 (0.00%)

Insider Transactions

  • 1.76% (24.8M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $11.3M
    Amount of InsiderBuying (last 12 months)
  • 4
    Number of InsiderSelling (last 12 months)
  • $19.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Wong Catherine
Sell
Jun 12, 2026
$50,579.78
7,453
$6.79
111,462
Wong Catherine
Award
Jun 09, 2026
$0.00
24,857
$0.00
118,915
Grady Patrick W
Award
Jun 09, 2026
$0.00
24,857
$0.00
85,806
Tzuo Tien
Award
Apr 05, 2026
$0.00
1,538
$0.00
100,080
Liu Curtis
Chief Technology Officer
Sell
Mar 06, 2026
$265,840.41
33,201
$8.01
603,756
Liu Curtis
Chief Technology Officer
Sell
Mar 05, 2026
$240,539.10
30,061
$8.00
636,957
HANSEN THOMAS NEERGAARD
President
In Kind
Feb 15, 2026
$438,360.28
69,142
$6.34
1.8M
Casey Andrew
Chief Financial Officer
In Kind
Feb 15, 2026
$250,036.92
39,438
$6.34
1.1M
Tzuo Tien
Award
Jan 05, 2026
$0.00
999
$0.00
98,542
Skates Spenser
Chief Executive Officer
Conversion
Dec 26, 2025
$0.00
100
$0.00
567,157
Skates Spenser
Chief Executive Officer
Conversion
Dec 26, 2025
$0.00
100
$0.00
100
Skates Spenser
Chief Executive Officer
Sell
Dec 26, 2025
$1,200.00
100
$12.00
0
Skates Spenser
Chief Executive Officer
Conversion
Dec 24, 2025
$0.00
42,743
$0.00
567,257
Skates Spenser
Chief Executive Officer
Conversion
Dec 24, 2025
$0.00
42,743
$0.00
42,743
Skates Spenser
Chief Executive Officer
Sell
Dec 24, 2025
$513,433.19
42,743
$12.01
0
Schultz Erica
Exempt
Dec 15, 2025
$41,900.00
10,000
$4.19
49,500
Schultz Erica
Exempt
Dec 15, 2025
$41,900.00
10,000
$4.19
124,906
Schultz Erica
Sell
Dec 15, 2025
$108,758.00
10,000
$10.88
114,906
HANSEN THOMAS NEERGAARD
President
In Kind
Nov 15, 2025
$983,061.14
91,618
$10.73
1.9M
Liu Curtis
Chief Technology Officer
In Kind
Nov 15, 2025
$387,267.16
36,092
$10.73
756,952
Casey Andrew
Chief Financial Officer
In Kind
Nov 15, 2025
$583,712.00
54,400
$10.73
1.1M
Skates Spenser
Chief Executive Officer
Conversion
Nov 11, 2025
$0.00
400,000
$0.00
610,000
Skates Spenser
Chief Executive Officer
Conversion
Nov 11, 2025
$0.00
400,000
$0.00
400,000
Skates Spenser
Chief Executive Officer
Sell
Nov 11, 2025
$4.4M
400,000
$10.99
0
Casey Andrew
Chief Financial Officer
Buy
Nov 07, 2025
$299,790.00
30,000
$9.99
1.2M
Tzuo Tien
Award
Oct 05, 2025
$0.00
977
$0.00
97,543
Schultz Erica
Exempt
Sep 15, 2025
$0.00
10,000
$0.00
79,500
Schultz Erica
Exempt
Sep 15, 2025
$41,900.00
10,000
$4.19
117,406
Schultz Erica
Sell
Sep 15, 2025
$110,633.00
10,000
$11.06
107,406
Liu Curtis
Chief Technology Officer
In Kind
Aug 15, 2025
$393,432.47
34,301
$11.47
793,044