Holder snapshot 5 signals
Share change
+1,014,720
SEC-reported price per share
$2.13
Number of holders
2
Value change
+$2,161,200
Number of buys
2
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
66,188,768

Security key

46489V104

Report period

Q1 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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F Lead comparable stake: 13% Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 13%.

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 BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 13%
VANGUARD GROUP INC 11%
Janus Henderson Group Ltd. 9.5%
FARALLON CAPITAL MANAGEMENT, L.L.C. 8.2%
STATE STREET CORP 4%

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
BlackRock, Inc.
13F
Company
13F
13%
$770,696,855
8,614,989 shares
31 Dec 2024
VANGUARD GROUP INC
13F
Company
13F
11%
$647,982,219
7,243,262 shares
31 Dec 2024
Janus Henderson Group Ltd.
13F
Company
13F
9.5%
$554,582,700
6,198,689 shares
31 Dec 2024
FARALLON CAPITAL MANAGEMENT, L.L.C.
13F
Company
13F
8.2%
$475,589,667
5,316,227 shares
31 Dec 2024
STATE STREET CORP
13F
Company
13F
4%
$236,152,303
2,639,753 shares
31 Dec 2024
FMR LLC
13F
Company
13F
3.8%
$223,967,153
2,503,545 shares
31 Dec 2024
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 Q1 2025

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

Institutions
2
Shares
1,164,720
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 Q1 2025 vs Q1 2026 Across Filers

Q1 2026 holders
2
Q1 2025 holders
2
Holder diff
0
Investor Q1 2026 Shares Q1 2025 Shares Share Diff Share Chg % Q1 2026 value Q1 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .