Lantheus Holdings, Inc. - Common Stock (LNTH)

CUSIP: 516544103

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class
Equity / Common Stock
Total 13F shares
69,356,729
Total 13F value
$4,615,385,932
Holder snapshot 6 visible 7 signals
Share change
-2,547,050
Put/Call ratio
62%
SEC-reported price per share
$66.55
Number of holders
391
Value change
-$120,542,537
Number of buys
170
Open additional details 1 more signal available
Number of sells
250
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
64,524,878

Security key

516544103

Report period

Q4 2025

Institutions

391

Top holders

10

LNTH full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Lantheus Holdings, Inc. SEC filings Lantheus Holdings, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of LNTH - Lantheus Holdings, Inc. - Common Stock (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
Farallon Capital Partners...
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G 13F 3/4/5 Lead comparable stake: 8.2% 13D/G row: Farallon Capital Partners, L.P. Showing 1-6 of 15 holder rows.

Quick read

Farallon Capital Partners, L.P. leads the comparable SEC ownership view at 8.2%.

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 Farallon Capital Partners, L.P.'s linked filing trail.
Comparable ownership Top 5
Farallon Capital Partners, L.P. 8.2%
FMR LLC 6.5%
MORGAN STANLEY 2.5%
FARALLON PARTNERS L L C/CA 5.4%
Rajiv A. Patel 5.4%

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
Farallon Capital Partners, L.P.
13D/G
Dapice Joshua J.
13D/G
8.2%
—
5,427,479 shares
 +$6,689,559 31 Dec 2025
FMR LLC
13D/G 13F
Company
13D/G 13F
6.5%
$225,651,564
4,399,524 shares
 -$42,273,833 30 Sep 2025
MORGAN STANLEY
13F 13D/G
Company
13F 13D/G
2.5%
from 13D/G
$198,910,527
3,878,152 shares
 — 30 Sep 2025
FARALLON PARTNERS L L C/CA
3/4/5
Member of a Group Owning 10%, 10%+ Owner
3/4/5
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%
3/4/5
5.4%
$195,246,296
3,477,227 shares
 -$191,213,690 19 Aug 2025
BlackRock, Inc.
13F
Company
13F
13%
$423,950,039
8,265,745 shares
 — 30 Sep 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 Q4 2025

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

Institutions
391
Shares
69,356,729
Rows available
391
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 Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
414
Q4 2025 holders
391
Holder diff
-23
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 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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