13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated

JAZZ PHARMACEUTICALS PLC

601 institutions still hold JAZZ PHARMACEUTICALS PLC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G50871105·601 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 6.4%
vs prior quarter
13F value held
$7.1B
64.0% inst. owned
of float
Holders
601
+37 QoQ
filers reporting
Activity
+16 / −9
+897 added · −786 reduced
this quarter
Concentration
14.99%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

601 institutions reported JAZZ PHARMACEUTICALS PLC in Q1 2026. BlackRock, Inc. leads at 15.0% of the visible book. +37 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.1B5.6M0.02%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$564M3.0M0.03%Q1 202603
Capital World Investors
CIK 0001422849
$505M2.7M0.07%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$501M2.6M0.01%Q1 202605
FMR LLC
CIK 0000315066
$430M2.3M0.02%Q1 202606
FRANKLIN RESOURCES INC
CIK 0000038777
$370M2.0M0.09%Q1 202607
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$358M1.9M0.07%Q1 202608
STATE STREET CORP
CIK 0000093751
$358M1.9M0.01%Q1 202609
EcoR1 Capital, LLC
CIK 0001587114
$323M1.7M13.69%Q1 202610
Bank of New York Mellon Corp
CIK 0001390777
$317M1.7M0.06%Q1 202611
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$317M1.7M1.07%Q1 202612
AMERIPRISE FINANCIAL INC
CIK 0000820027
$304M1.6M0.07%Q1 202613
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$250M1.3M0.11%Q1 202614
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$243M1.3M0.10%Q1 202615
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$234M1.2M0.01%Q1 202616
JPMORGAN CHASE & CO
CIK 0000019617
$221M1.2M0.01%Q1 202617
BANK OF AMERICA CORP /DE/
CIK 0000070858
$192M1.0M0.01%Q1 202618
Swedbank AB
CIK 0000946431
$188M992K0.20%Q1 202619
BNP Paribas Asset Management Holding S.A.
CIK 0001520354
$167M885K0.19%Q1 202620
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$155M819K0.24%Q1 2026
Page 1 of 31
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