Holder snapshot 5 signals
Share change
+970,875
SEC-reported price per share
$3.43
Number of holders
2
Value change
+$3,330,223
Number of buys
1
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
66,188,768

Security key

46489V104

Report period

Q3 2025

Institutions

2

Top holders

2

Ownership snapshot

Top reported holders of CATX - Lantheus Holdings, Inc. - Common Stock, par value $0.01 per share (the "Shares") (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
FMR LLC
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
19 Aug 2025
13F 13D/G 3/4/5 Lead comparable stake: 6.5% 13D/G row: FMR LLC Showing 1-6 of 15 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 6.5%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.
Comparable ownership Top 5
FMR LLC 6.5%
FARALLON PARTNERS L L C/CA 5.4%
Rajiv A. Patel 5.4%
BlackRock, Inc. 13%
JANUS HENDERSON GROUP PLC 11%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
FMR LLC
13F 13D/G
Company
6.5%
from 13D/G
$410,864,497
5,019,112 shares
30 Jun 2025
FARALLON PARTNERS L L C/CA
3/4/5
Member of a Group Owning 10%, 10%+ Owner
5.4%
$195,246,296
3,477,227 shares
-$191,213,690 19 Aug 2025
Rajiv A. Patel
3/4/5
Member of a Group Owning 10%
5.4%
$195,246,296
3,477,227 shares
-$191,213,690 19 Aug 2025
BlackRock, Inc.
13F
Company
13F
13%
$698,546,914
8,533,435 shares
30 Jun 2025
JANUS HENDERSON GROUP PLC
13F
Company
13F
11%
$568,016,459
6,938,984 shares
30 Jun 2025
VANGUARD GROUP INC
13F
Company
13F
11%
$559,683,369
6,837,080 shares
30 Jun 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
2
Shares
1,221,976
Rows available
2
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
2
Q3 2025 holders
2
Holder diff
0
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 value Q3 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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