Stock Ownership/AMPL

Amplitude (AMPL): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in AMPL · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$67.3M
Across holders
Last Price
$13.15
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity6 increased9 reduced6 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC, Qube Research & Technologies Ltd, Magnetar Financial LLC, LIGHT STREET CAPITAL MANAGEMENT, LLC, Rockefeller Capital Management L.P., Walleye Capital LLC
Institutional Holders of AMPL
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager1.78M$13.6M20.2%0.0%Reduced$-6.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.51M$11.5M17.1%0.0%Added+$11.5MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund1.41M$10.8M16.0%0.0%Reduced$-7.7MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund1.02M$7.8M11.6%0.0%Added+$2.4MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund873K$6.7M9.9%0.0%Added+$5.6MQ2 2026
ArrowMark Colorado Holdings LLC
CIK 0001483859
Hedge Fund657K$5.0M7.5%0.2%Reduced$-4.6MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund416K$3.2M4.7%0.0%Reduced$-2.1MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund384K$2.9M4.4%0.0%Reduced+$476KQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund339K$2.6M3.8%0.0%Reduced$-1.1MQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund226K$1.7M2.6%0.0%Reduced$-323KQ2 2026
BAILLIE GIFFORD & COReduced
Institutional Manager
$13.6M· 20.2% of total· 0.0% port· 1.78M sh· $-6.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$11.5M· 17.1% of total· 0.0% port· 1.51M sh· +$11.5M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$10.8M· 16.0% of total· 0.0% port· 1.41M sh· $-7.7M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$7.8M· 11.6% of total· 0.0% port· 1.02M sh· +$2.4M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$6.7M· 9.9% of total· 0.0% port· 873K sh· +$5.6M QoQ· Q2 2026
ArrowMark Colorado Holdings LLCReduced
Hedge Fund
$5.0M· 7.5% of total· 0.2% port· 657K sh· $-4.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$3.2M· 4.7% of total· 0.0% port· 416K sh· $-2.1M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$2.9M· 4.4% of total· 0.0% port· 384K sh· +$476K QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$2.6M· 3.8% of total· 0.0% port· 339K sh· $-1.1M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$1.7M· 2.6% of total· 0.0% port· 226K sh· $-323K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$453K· 0.7% of total· 0.0% port· 59K sh· — QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$318K· 0.5% of total· 0.0% port· 42K sh· — QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$290K· 0.4% of total· 0.0% port· 38K sh· $-4.1M QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$286K· 0.4% of total· 0.0% port· 37K sh· $-62K QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$91K· 0.1% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
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