13F Insight
DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield
AMPL

AMPLITUDE INC

227 institutions still hold AMPLITUDE INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 03213a104·227 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 2.4%
vs prior quarter
13F value held
$471M
78.0% inst. owned
of float
Holders
227
-84 QoQ
filers reporting
Activity
+15 / −72
+820 added · −885 reduced
this quarter
Concentration
16.16%
WELLINGTON MANAGEMENT GROUP LLP #1
top holder share
AI Holders Summary · Q1 2026

227 institutions reported AMPL in Q1 2026. WELLINGTON MANAGEMENT GROUP LLP leads at 16.2% of the visible book. -84 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$76M11.2M0.01%Q1 202602
BlackRock, Inc.
CIK 0002012383
$69M10.2M0.00%Q1 202603
Vanguard Portfolio Management
CIK 0002100121
$42M6.2M0.00%Q1 202604
TimesSquare Capital Management, LLC
CIK 0001313816
$29M2.5M0.44%Q4 202505
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$28M4.1M0.00%Q1 202606
FMR LLC
CIK 0000315066
$23M3.3M0.00%Q1 202607
SC US (TTGP), LTD.
CIK 0001607841
$19M2.8M0.21%Q1 202608
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$18M2.7M0.01%Q1 202609
BAILLIE GIFFORD & CO
CIK 0001088875
$18M2.6M0.02%Q1 202610
CITADEL ADVISORS LLC
CIK 0001423053
$17M1.5M0.00%Q4 202511
Nuveen, LLC
CIK 0001871926
$17M2.6M0.00%Q1 202612
ArrowMark Colorado Holdings LLC
CIK 0001483859
$17M1.5M0.38%Q4 202513
STATE STREET CORP
CIK 0000093751
$17M2.4M0.00%Q1 202614
Point72 Asset Management, L.P.
CIK 0001603466
$16M2.4M0.02%Q1 202615
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$16M2.3M0.00%Q1 202616
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 0000884414
$12M1.7M0.05%Q1 202617
Optimus Prime Fund Management Co., Ltd.
CIK 0001732539
$11M1.6M1.04%Q1 202618
MONIMUS CAPITAL MANAGEMENT, LP
CIK 0001848831
$9M1.3M2.39%Q1 202619
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$8M1.2M0.00%Q1 202620
Meros Investment Management, LP
CIK 0001911372
$8M1.2M3.44%Q1 2026
Page 1 of 12
207 more holders available. Log in →