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Amplitude, Inc. · 13F filings

AMPL Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

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.

← AMPL stock page

Fund sentiment
Bearish
Strongly bearishNeutralStrongly bullish
  • ●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 holding203−16 vs Q1 2026
Held by funds–of shares outstanding
Value held$615M80.4M shares
Put/call ratio0.14down from 0.83

Funds holding and ownership

8 quarters
Q3 2024: 135 fundsQ3 '24Q4 2024: 147 fundsQ4 '24Q1 2025: 195 fundsQ1 '25Q2 2025: 188 fundsQ2 '25Q3 2025: 203 fundsQ3 '25Q4 2025: 210 fundsQ4 '25Q1 2026: 219 fundsQ1 '26Q2 2026: 203 fundsQ2 '26
Funds holding

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding203219−7.3%
In funds' top 10220.0%
13F shares80.4M83.4M−3.5%
Held by funds–––
New positions3243−25.6%
Increased8063+27.0%
Reduced6374−14.9%
Sold out4837+29.7%
Calls (shares)246K392K−37.3%
Puts (shares)31K326K−90.6%
Put/call ratio0.140.83−83.6%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 82 buyingQ4 2024: 45 sellingQ4 '24Q1 2025: 127 buyingQ1 2025: 48 sellingQ1 '25Q2 2025: 117 buyingQ2 2025: 88 sellingQ2 '25Q3 2025: 126 buyingQ3 2025: 70 sellingQ3 '25Q4 2025: 120 buyingQ4 2025: 80 sellingQ4 '25Q1 2026: 106 buyingQ1 2026: 111 sellingQ1 '26Q2 2026: 112 buyingQ2 2026: 111 sellingQ2 '26
Buying 112Selling 111latest quarter

Superinvestors 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 out
1.00Q1 2025: 0.03Q1 '25Q2 2025: 0.06Q2 '25Q3 2025: 2.31Q3 '25Q4 2025: 0.30Q4 '25Q1 2026: 0.83Q1 '26Q2 2026: 0.14Q2 '260.14

Above 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

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1Wellington Management Group LLP–11.1M$84.8M−69K
2BlackRock, Inc.–10M$76.8M−117K
3Vanguard Portfolio Management LLC–6.1M$46.5M−81K
4Fmr LLC–6M$45.7M+2.7M
5Vanguard Capital Management LLC–3.9M$30.1M−152K
6SC US (ttgp), Ltd.–2.8M$21.4M0
7State Street Corp–2.6M$19.9M+175K
8Geode Capital Management, LLC–2.5M$19M+151K
9Trigran Investments, Inc.–2.3M$17.8M+1.9M
10Baillie Gifford & Co–1.8M$13.6M−855K
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

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.