AMPL Institutional Ownership
Who owns Amplitude, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 203 funds reported holding AMPL at Jun 30, 2026.
- ●112 buying vs 111 selling
- ▼Shares held by funds -3.5%
- ▼Funds holding -16
- ▼Superinvestors: 1 added, 3 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 203 | 219 | −7.3% |
| In funds' top 10 | 2 | 2 | 0.0% |
| 13F shares | 80.4M | 83.4M | −3.5% |
| Held by funds | – | – | – |
| New positions | 32 | 43 | −25.6% |
| Increased | 80 | 63 | +27.0% |
| Reduced | 63 | 74 | −14.9% |
| Sold out | 48 | 37 | +29.7% |
| Calls (shares) | 246K | 392K | −37.3% |
| Puts (shares) | 31K | 326K | −90.6% |
| Put/call ratio | 0.14 | 0.83 | −83.6% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in AMPL
All superinvestors →Who owns AMPL
share of fund held shares- Index and passive funds35.9%
- Active managers and hedge funds58.5%
- Banks and brokers4.9%
- Pensions, insurers and other0.7%
The top 10 holders own 61.1% of all AMPL shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
39 funds changed their position- Mackenzie Financial CorpNew+1.5M sh
- CenterBook Partners LPSold out−771K sh
- Vontobel Holding Ltd.New+73K sh
- State of WyomingAdded+51K sh
- Inspire Investing, LLCTrimmed−45K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Wellington Management Group LLP | – | 11.1M | $84.8M | −69K |
| 2 | BlackRock, Inc. | – | 10M | $76.8M | −117K |
| 3 | Vanguard Portfolio Management LLC | – | 6.1M | $46.5M | −81K |
| 4 | Fmr LLC | – | 6M | $45.7M | +2.7M |
| 5 | Vanguard Capital Management LLC | – | 3.9M | $30.1M | −152K |
| 6 | SC US (ttgp), Ltd. | – | 2.8M | $21.4M | 0 |
| 7 | State Street Corp | – | 2.6M | $19.9M | +175K |
| 8 | Geode Capital Management, LLC | – | 2.5M | $19M | +151K |
| 9 | Trigran Investments, Inc. | – | 2.3M | $17.8M | +1.9M |
| 10 | Baillie Gifford & Co | – | 1.8M | $13.6M | −855K |
- Fmr LLC+2.7M sh+$20.4M
- Trigran Investments, Inc.+1.9M sh+$14.8M
- Royce & Associates LP+1.1M sh+$8M
- Citadel Advisors LLC+837K sh+$6.4M
- CenterBook Partners LP+730K sh+$5.6M
- Lazard Asset Management LLC+339K sh+$2.6M
- Squarepoint Ops LLC+309K sh+$2.4M
- Dimensional Fund Advisors LP+279K sh+$2.1M
- Nuveen, LLC−2.3M sh−$17.5M
- Millennium Management LLC−1.6M sh−$12.6M
- Point72 Asset Management, L.P.−1M sh−$7.7M
- Baillie Gifford & Co−855K sh−$6.5M
- Jacobs Levy Equity Management, Inc−772K sh−$5.9M
- ArrowMark Colorado Holdings LLC−599K sh−$4.6M
- Arrowstreet Capital, Limited Partnership−538K sh−$4.1M
- Qube Research & Technologies Ltd−597K sh−$4.1M
AMPL institutional ownership FAQ
Who owns the most AMPL stock?
In Q2 2026 13F filings the largest holder of AMPL was Wellington Management Group LLP, followed by BlackRock, Inc. and Vanguard Portfolio Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of AMPL is owned by institutions?
203 funds reported holding 80.4M AMPL shares at Jun 30, 2026.
Are hedge funds buying AMPL?
In Q2 2026, 112 funds bought AMPL (32 of them new positions) and 111 sold (48 sold out completely). Among well known investors, 1 added and 3 cut. Our fund sentiment for AMPL is bearish.
What is AMPL's institutional put/call ratio?
Funds reported $233K of AMPL puts against $1.7M of calls, a put/call ratio of 0.14 (0.83 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this AMPL ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.



