AMPLITUDE INC-CLASS A (AMPL) Institutional Shareholders
AMPLITUDE INC-CLASS A (AMPL) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $712.91M in AMPL holdings during the latest filing period.
Banque Cantonale Vaudoise is currently the largest disclosed institutional shareholder of AMPL tracked by InsiderSet, reporting ownership valued at approximately $99.00M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $171,600, representing an estimated loss of -99.83% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 65% of the total disclosed AMPL value among the investors covered in this analysis. Major shareholders include Banque Cantonale Vaudoise, Wellington Management Group Llp, Blackrock, Inc., and several other long-term asset managers with concentrated positions in AMPLITUDE INC-CLASS A (AMPL).
This page ranks the largest institutional AMPL shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
198
Total Reported Value
$712.91M
Largest Holder
Banque Cantonale Vaudoise
Largest Position
$99.00M
Insider Transactions (90d)
8
Latest Filing Quarter
Q2 2026
New Institutional Positions
60
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Banque Cantonale Vaudoise | 0.01% | 13,000 | $99,000,000 | $171,600 | -$98,828,400 | -99.83% | |
| Wellington Management Group Llp | 0.01% | 11,086,006 | $84,807,946 | $146,335,279 | +$61,527,333 | +72.55% | |
| Blackrock, Inc. | 0.00% | 10,044,780 | $76,842,565 | $132,591,096 | +$55,748,531 | +72.55% | |
| Vanguard Portfolio Management Llc | 0.00% | 6,083,939 | $46,542,133 | $80,307,995 | +$33,765,862 | +72.55% | |
| Fmr Llc | 0.00% | 5,979,436 | $45,742,689 | $78,928,555 | +$33,185,866 | +72.55% | |
| Vanguard Capital Management Llc | 0.00% | 3,939,697 | $30,138,682 | $52,004,000 | +$21,865,318 | +72.55% | |
| Sc Us (Ttgp), Ltd. | 0.07% | 2,798,951 | $21,411,976 | $36,946,153 | +$15,534,177 | +72.55% | |
| State Street Corp | 0.00% | 2,604,696 | $19,925,924 | $34,381,987 | +$14,456,063 | +72.55% | |
| Geode Capital Management, Llc | 0.00% | 2,477,561 | $18,957,831 | $32,703,805 | +$13,745,974 | +72.51% | |
| Trigran Investments, Inc. | 3.26% | 2,321,209 | $17,757,249 | $30,639,959 | +$12,882,710 | +72.55% | |
| Baillie Gifford & Co | 0.01% | 1,779,555 | $13,613,596 | $23,490,126 | +$9,876,530 | +72.55% | |
| Optimus Prime Fund Management Co., Ltd. | 0.89% | 1,580,100 | $12,087,765 | $20,857,320 | +$8,769,555 | +72.55% | |
| Aqr Capital Management Llc | 0.00% | 1,508,350 | $11,538,878 | $19,910,220 | +$8,371,342 | +72.55% | |
| Point72 Asset Management, L.P. | 0.02% | 1,409,424 | $10,782,094 | $18,604,397 | +$7,822,303 | +72.55% | |
| Morgan Stanley | 0.00% | 1,149,750 | $8,795,593 | $15,176,700 | +$6,381,107 | +72.55% | |
| Gagnon Securities Llc | 1.56% | 1,055,508 | $8,074,636 | $13,932,706 | +$5,858,070 | +72.55% | |
| Royce & Associates Lp | 0.06% | 1,050,976 | $8,039,966 | $13,872,883 | +$5,832,917 | +72.55% | |
| Squarepoint Ops Llc | 0.02% | 1,021,647 | $7,815,600 | $13,485,740 | +$5,670,140 | +72.55% | |
| Jacobs Levy Equity Management, Inc | 0.03% | 959,626 | $7,341,139 | $12,667,063 | +$5,325,924 | +72.55% | |
| Northern Trust Corp | 0.00% | 924,363 | $7,071,377 | $12,201,592 | +$5,130,215 | +72.55% | |
| Dimensional Fund Advisors Lp | 0.00% | 896,254 | $6,855,969 | $11,830,553 | +$4,974,584 | +72.56% | |
| Citadel Advisors Llc | 0.00% | 872,866 | $6,677,425 | $11,521,831 | +$4,844,406 | +72.55% | |
| Meros Investment Management, Lp | 2.01% | 827,977 | $6,334,024 | $10,929,296 | +$4,595,272 | +72.55% | |
| Charles Schwab Investment Management Inc | 0.00% | 803,643 | $6,147,869 | $10,608,088 | +$4,460,219 | +72.55% | |
| Monimus Capital Management, Lp | 1.52% | 783,808 | $5,996,131 | $10,346,266 | +$4,350,135 | +72.55% | |
| Centerbook Partners Lp | 0.29% | 771,163 | $5,899,397 | $10,179,352 | +$4,279,955 | +72.55% | |
| Vanguard Fiduciary Trust Co | 0.00% | 677,695 | $5,184,367 | $8,945,574 | +$3,761,207 | +72.55% | |
| Arrowmark Colorado Holdings Llc | 0.21% | 656,977 | $5,025,874 | $8,672,096 | +$3,646,222 | +72.55% | |
| Gagnon Advisors, Llc | 3.09% | 634,987 | $4,857,651 | $8,381,828 | +$3,524,177 | +72.55% | |
| Cerity Partners Llc | 0.00% | 473,812 | $3,624,662 | $6,254,318 | +$2,629,656 | +72.55% | |
| Acadian Asset Management Llc | 0.00% | 467,502 | $3,571,000 | $6,171,026 | +$2,600,026 | +72.81% | |
| Two Sigma Investments, Lp | 0.00% | 416,224 | $3,184,114 | $5,494,157 | +$2,310,043 | +72.55% | |
| Quantinno Capital Management Lp | 0.00% | 402,757 | $3,081,098 | $5,316,392 | +$2,235,294 | +72.55% | |
| Millennium Management Llc | 0.00% | 383,771 | $2,935,848 | $5,065,777 | +$2,129,929 | +72.55% | |
| Toronado Partners, Llc | 7.89% | 366,751 | $2,805,645 | $4,841,113 | +$2,035,468 | +72.55% | |
| Lazard Asset Management Llc | 0.00% | 355,092 | $2,716,454 | $4,687,214 | +$1,970,760 | +72.55% | |
| Susquehanna Fundamental Investments, Llc | 0.05% | 354,831 | $2,714,457 | $4,683,769 | +$1,969,312 | +72.55% | |
| Mercer Global Advisors Inc | 0.00% | 342,860 | $2,622,879 | $4,525,752 | +$1,902,873 | +72.55% | |
| Man Group Plc | 0.00% | 338,754 | $2,591,468 | $4,471,553 | +$1,880,085 | +72.55% | |
| Voya Investment Management Llc | 0.00% | 322,244 | $2,465,167 | $4,253,621 | +$1,788,454 | +72.55% | |
| Ubs Group Ag | 0.00% | 321,940 | $2,462,842 | $4,249,608 | +$1,786,766 | +72.55% | |
| Goldman Sachs Group Inc | 0.00% | 318,438 | $2,436,051 | $4,203,382 | +$1,767,331 | +72.55% | |
| S Squared Technology, Llc | 0.75% | 315,402 | $2,412,825 | $4,163,306 | +$1,750,481 | +72.55% | |
| Madison Asset Management, Llc | 0.03% | 312,399 | $2,389,852 | $4,123,667 | +$1,733,815 | +72.55% | |
| Numerai Gp Llc | 0.18% | 295,142 | $2,257,836 | $3,895,874 | +$1,638,038 | +72.55% | |
| Bank Of New York Mellon Corp | 0.00% | 288,118 | $2,204,104 | $3,803,158 | +$1,599,054 | +72.55% | |
| Jpmorgan Chase & Co | 0.00% | 276,147 | $2,087,671 | $3,645,140 | +$1,557,469 | +74.60% | |
| Alliancebernstein L.P. | 0.00% | 305,318 | $2,082,269 | $4,030,198 | +$1,947,929 | +93.55% | |
| Nuveen, Llc | 0.00% | 265,301 | $2,029,553 | $3,501,973 | +$1,472,420 | +72.55% | |
| Bank Of America Corp | 0.00% | 244,236 | $1,868,405 | $3,223,915 | +$1,355,510 | +72.55% |
Frequently asked questions about AMPL
Who owns the most AMPL stock?
The largest holders of AMPL are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for AMPLITUDE INC-CLASS A (AMPL).
Is AMPL widely held by superinvestors?
Many widely followed stocks like AMPL appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AMPL is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.