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Security record · archived quarter

AMPL

Amplitude, Inc. · Technology · Software - Application

15.70 +1.1% mkt cap $2.09B quote delayed (FMP) · as of Oct 13 16:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
81Tracked holders
+1Δ holders
59.90MShares held
$693.58MReported value
+1New positions
−0Exits
Rising Conviction score 58/100 6 quarters of rising tracked shares ●●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +1.2% · share flow +8.3% · net new positions +1.2% — formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 74 -8 54.15M $414.06M +1 −10
Q1 2026 86 +5 57.50M $393.68M +9 −4
Q4 2025 81 +1 59.90M $693.58M +1 —
Q3 2025 17 -4 37.31M $399.92M — −4
Q2 2025 18 +3 34.21M $424.20M +3 —
Q1 2025 12 +2 9.07M $92.46M +2 —
Q4 2024 10 +2 5.23M $55.15M +2 —
Q3 2024 7 0 2.54M $22.81M — —
Q2 2024 7 — 2.41M $21.49M — —
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group ✦ (passive) 10.83M +9.4% $125.36M 0.0% ▲ Add 3 SEC ↗ ×5
2 BlackRock ✦ (passive) 9.78M +1.9% $113.28M 0.0% ▲ Add 3 SEC ↗ ×14
3 Alliancebernstein L.P. 6.24M — $72.30M 0.0% n/c 1 SEC ↗
4 Point72 Asset Management ✦ 3.50M +174.2% $40.51M 0.1% ▲ Add 5 SEC ↗
5 Baillie Gifford ✦ 2.74M +2.2% $31.75M 0.0% ▲ Add 4 SEC ↗ ×4
6 Nuveen, LLC 2.65M — $30.64M 0.0% n/c 1 SEC ↗ ×3
7 State Street Global Advisors ✦ (passive) 2.31M +2.9% $26.70M 0.0% ▲ Add 5 SEC ↗
8 Millennium Management ✦ 2.25M +9.3% $26.09M 0.0% ▲ Add 7 SEC ↗
9 Geode Capital Management ✦ (passive) 2.23M -0.3% $25.79M 0.0% ▼ Trim 7 SEC ↗ ×2
10 Wellington Management ✦ 1.96M -3.1% $22.74M 0.0% ▼ Trim 3 SEC ↗ ×3
11 Citadel Advisors ✦ 1.38M +140.3% $15.93M 0.0% ▲ Add 7 SEC ↗ ×2
12 Goldman Sachs Group ✦ 1.22M +32.4% $14.13M 0.0% ▲ Add 2 SEC ↗ ×2
13 Two Sigma Investments ✦ 1.04M +49.6% $12.06M 0.0% ▲ Add 3 SEC ↗
14 Squarepoint Ops LLC 967.96K — $11.21M 0.0% n/c 1 SEC ↗
15 AQR Capital Management ✦ 843.43K +31.6% $9.77M 0.0% ▲ Add 7 SEC ↗ ×6
16 Northern Trust Corp 822.63K — $9.53M 0.0% n/c 1 SEC ↗ ×6
17 Charles Schwab Investment… 778.39K — $9.01M 0.0% n/c 1 SEC ↗
18 Morgan Stanley ✦ 685.56K -10.7% $7.94M 0.0% ▼ Trim 2 SEC ↗ ×9
19 Bank Of America Corp /De/ 659.61K — $7.64M 0.0% n/c 1 SEC ↗ ×4
20 UBS Group AG 544.80K — $6.31M 0.0% n/c 1 SEC ↗ ×3
21 Cerity Partners LLC 467.18K — $5.41M 0.0% n/c 1 SEC ↗ ×3
22 Fidelity (FMR) ✦ 446.18K -48.4% $5.17M 0.0% ▼ Trim 3 SEC ↗ ×2
23 Deutsche Bank Ag\ 364.47K — $4.22M 0.0% n/c 1 SEC ↗ ×2
24 Voya Investment Management Llc 355.66K — $4.12M 0.0% n/c 1 SEC ↗ ×3
25 Hsbc Holdings Plc 283.99K — $3.30M 0.0% n/c 1 SEC ↗ ×2
26 Bank of New York Mellon Corp 263.98K — $3.06M 0.0% n/c 1 SEC ↗ ×3
27 Marshall Wace ✦ 255.40K New $2.96M 0.0% New 1 SEC ↗ ×2
28 Barclays Plc 230.86K — $2.67M 0.0% n/c 1 SEC ↗ ×3
29 Jane Street Group, Llc 226.67K — $2.62M 0.0% n/c 1 SEC ↗ ×3
30 Susquehanna International Group, Llp 218.86K — $2.53M 0.0% n/c 1 SEC ↗
31 JPMorgan Chase ✦ 206.64K -52.7% $2.39M 0.0% ▼ Trim 2 SEC ↗ ×4
32 Connor, Clark & Lunn Investment… 201.87K — $2.34M 0.0% n/c 1 SEC ↗
33 Swiss National Bank 181.20K — $2.10M 0.0% n/c 1 SEC ↗
34 UBS AM, a distinct business unit of… 159.08K — $1.84M 0.0% n/c 1 SEC ↗ ×9
35 Mercer Global Advisors Inc /Adv 140.71K — $1.63M 0.0% n/c 1 SEC ↗
36 Man Group plc 138.52K — $1.60M 0.0% n/c 1 SEC ↗
37 Dimensional Fund Advisors Lp 131.96K — $1.53M 0.0% n/c 1 SEC ↗ ×4
38 Ameriprise Financial Inc 130.11K — $1.51M 0.0% n/c 1 SEC ↗
39 T. Rowe Price ✦ 123.06K -42.0% $1.43M 0.0% ▼ Trim 7 SEC ↗ ×2
40 Canada Pension Plan Investment Board 115.00K — $1.33M 0.0% n/c 1 SEC ↗
41 Invesco Ltd. 113.68K — $1.32M 0.0% n/c 1 SEC ↗ ×4
42 Rhumbline Advisers 110.47K — $1.28M 0.0% n/c 1 SEC ↗
43 Wells Fargo & Company/Mn 105.75K — $1.22M 0.0% n/c 1 SEC ↗ ×2
44 Sei Investments Co 103.31K — $1.20M 0.0% n/c 1 SEC ↗ ×2
45 First Trust Advisors Lp 91.74K — $1.06M 0.0% n/c 1 SEC ↗
46 California State Teachers… 88.28K — $1.02M 0.0% n/c 1 SEC ↗
47 Mackenzie Financial Corp 86.73K — $1.02M 0.0% n/c 1 SEC ↗
48 Legal & General Group Plc 87.59K — $1.01M 0.0% n/c 1 SEC ↗ ×3
49 Raymond James Financial Inc 83.92K — $971,746 0.0% n/c 1 SEC ↗ ×3
50 Renaissance Technologies ✦ 81.65K -53.4% $945,495 0.0% ▼ Trim 7 SEC ↗
51 Russell Investments Group, Ltd. 76.22K — $883,628 0.0% n/c 1 SEC ↗ ×8
52 Bnp Paribas Financial Markets 72.15K — $835,509 0.0% n/c 1 SEC ↗
53 Creative Planning 70.40K — $815,219 0.0% n/c 1 SEC ↗
54 Allspring Global Investments… 63.76K — $696,908 0.0% n/c 1 SEC ↗ ×2
55 Zurcher Kantonalbank (Zurich… 53.44K — $618,847 0.0% n/c 1 SEC ↗
56 Cwm, Llc 44.95K — $521,000 0.0% n/c 1 SEC ↗
57 Manufacturers Life Insurance… 44.56K — $515,958 0.0% n/c 1 SEC ↗
58 MIRAE ASSET GLOBAL ETFS HOLDINGS… 42.79K — $495,485 0.0% n/c 1 SEC ↗
59 Prudential Financial Inc 41.37K — $479,007 0.0% n/c 1 SEC ↗ ×2
60 Wealth Enhancement Advisory… 39.58K — $449,987 0.0% n/c 1 SEC ↗
61 HighTower Advisors, LLC 37.79K — $437,620 0.0% n/c 1 SEC ↗
62 Mariner, LLC 34.91K — $405,104 0.0% n/c 1 SEC ↗
63 Janus Henderson Group Plc 34.77K — $402,335 0.0% n/c 1 SEC ↗
64 New York State Common Retirement… 29.34K — $339,804 0.0% n/c 1 SEC ↗
65 Pnc Financial Services Group, Inc. 28.06K — $324,970 0.0% n/c 1 SEC ↗ ×3
66 Lazard Asset Management Llc 23.99K — $277,781 0.0% n/c 1 SEC ↗
67 American Century Companies Inc 22.81K — $264,117 0.0% n/c 1 SEC ↗
68 State Of Wisconsin Investment Board 22.27K — $257,910 0.0% n/c 1 SEC ↗
69 Quantinno Capital Management LP 20.77K — $240,529 0.0% n/c 1 SEC ↗
70 State Board Of Administration Of… 19.47K — $225,463 0.0% n/c 1 SEC ↗
71 ProShare Advisors LLC 16.88K — $195,470 0.0% n/c 1 SEC ↗
72 Pictet Asset Management Holding SA 16.28K — $188,488 0.0% n/c 1 SEC ↗
73 Osaic Holdings, Inc. 5.08K — $58,837 0.0% n/c 1 SEC ↗
74 Royal Bank Of Canada 3.76K — $43,000 0.0% n/c 1 SEC ↗ ×4
75 Citigroup Inc 3.27K — $37,890 0.0% n/c 1 SEC ↗ ×2
76 Rockefeller Capital Management L.P. 1.95K — $22,546 0.0% n/c 1 SEC ↗
77 Us Bancorp \De\ 1.84K — $21,260 0.0% n/c 1 SEC ↗ ×2
78 Jones Financial Companies Lllp 1.47K — $17,034 0.0% n/c 1 SEC ↗
79 BNP Paribas Asset Management… 1.04K — $12,000 0.0% n/c 1 SEC ↗
80 Optiver Holding B.V. 288 — $3,335 0.0% n/c 1 SEC ↗
81 National Bank Of Canada /Fi/ 70 — $809 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Marshall Wace $2.96M 0.0%

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 215 holders, 83.03M shares, $560.03M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Oct 02 Skates Spenser

Officer, Director, 10% owner · 70.09K sh · $1.02M

Oct 01 Skates Spenser

Officer, Director, 10% owner · 3.54K sh · $51,139

Sep 30 Skates Spenser

Officer, Director, 10% owner · 1.37K sh · $19,858

Sep 10 Skates Spenser

Officer, Director, 10% owner · 185.00K sh · $2.28M

Sep 04 Crook Nathaniel Glenn

Officer · 300.00K sh · $3.90M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 06 SC 13G — FMR LLC

View original SEC filing ↗

Jul 27 SC 13G/A — BlackRock, Inc.

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2025 · Methodology · Get this via the API