AMPL — AMPLITUDE INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying AMPL?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 3 tracked investors who changed their AMPL position last quarter, 1 bought and 2 sold (33% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).
- +1 tracked investor added or increased positions last quarter (Ken Griffin)
- +3 tracked investors reported holding AMPL at their latest filing
- +Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource
- −2 tracked investors reduced or exited last quarter (2 reduced, 0 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/20/2026.
About AMPLITUDE INC (AMPL)
AMPLITUDE INC (AMPL) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Steve Cohen (Point72 Asset Management), valued at $41M. Across recent filings, tracked investors recorded 3 new positions, 11 increased, 7 reduced, and 2 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in AMPL
How many top investors track AMPL
A small number of top investors own this.
AMPL Ownership Composition
How AMPLITUDE INC is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant100.0%
Tracked investors currently reporting AMPL
1 tracked investor has since exited this position — listed separately below.
- Steve CohenJun 30, 2026Point72 Asset ManagementShares1.4MValue$10.8M% Portfolio0.01%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares383.8KValue$2.9M% Portfolio0.00%
- Ken GriffinJun 30, 2026Citadel AdvisorsShares1.1MValue$8.7M% Portfolio0.00%
Previously held AMPL
These investors reported AMPL in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Paul Tudor Jones | Tudor Investment Corp | 414.8K | $5.1M | Jun 30, 2025 |
Recent activity
- Increased$1.4M(427.70%)Nov 14, 2024
- Reduced$145.1K(-91.00%)Feb 14, 2025
- Increased$2.1M(1425.81%)May 15, 2025
- Increased$28.6M(999.34%)Aug 14, 2025
- Increased$35.8M(36.66%)Feb 17, 2026
- Reduced$18.1M(-14.16%)May 15, 2026
- Reduced$2.9M(-85.54%)Aug 14, 2026
- Increased$1.9M(12.18%)Nov 14, 2024
- Increased$14M(274.04%)May 15, 2025
- Reduced$9.2M(-46.20%)Aug 14, 2025
- Increased$8.6M(7.89%)Nov 14, 2025
- Sold$0(-100.00%)Feb 17, 2026
- Increased$8.7M(448.84%)Aug 14, 2026
- New$4.3MFeb 14, 2025
- Reduced$3.5M(-16.09%)Jul 21, 2025
- Increased$14.8M(247.80%)Aug 14, 2025
- Increased$13.7M(6.78%)Nov 14, 2025
- Increased$40.5M(174.17%)Feb 17, 2026
- Reduced$16.4M(-31.08%)May 15, 2026
- Reduced$10.8M(-41.55%)Aug 14, 2026
- $5.1MAug 14, 2025
- Sold$0(-100.00%)Dec 9, 2025
- New$1.7MAug 14, 2024
Frequently asked questions
- How many institutional investors hold AMPL?
- 3 tracked institutional investors disclosed a position in AMPL (AMPLITUDE INC) in their most recent 13F filing.
- Who is the largest institutional holder of AMPL?
- Steve Cohen, Point72 Asset Management, holds the largest disclosed position in AMPL, valued at $41M.
- Did institutional ownership of AMPL increase or decrease?
- Across recent 13F filings, tracked investors recorded 3 new positions, 11 increased, 7 reduced, and 2 fully exited AMPL.
- Where does this AMPL ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.