Lantheus Holdings
LNTH · NASDAQ
$100.39+$0.47 (+0.47%)TodayMarket closed ·
Prev close $99.92
Who owns LNTH
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 55.5% of LNTH’s shares.
- BlackRock Institutional Trust Company, N.A.11.3%
- Farallon Capital Management, L.L.C.8.6%
- Janus Henderson Investors8.0%
- Vanguard Portfolio Management, LLC5.0%
- Next 6 largest institutions22.7%
- All other shareholders44.5%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 7.34M | 11.28% |
| Farallon Capital Management, L.L.C. | 5.58M | 8.58% |
| Janus Henderson Investors | 5.19M | 7.97% |
| Vanguard Portfolio Management, LLC | 3.24M | 4.97% |
| Vanguard Capital Management, LLC | 2.93M | 4.50% |
| Fidelity Management & Research Company LLC | 2.90M | 4.45% |
| American Century Investment Management, Inc. | 2.82M | 4.33% |
| State Street Investment Management (US) | 2.50M | 3.84% |
| Geode Capital Management, L.L.C. | 1.84M | 2.83% |
| T. Rowe Price Associates, Inc. | 1.81M | 2.78% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Avantis US Small Cap Value ETF | 2.86M | 4.40% |
| iShares Core S&P Mid-Cap ETF | 2.28M | 3.50% |
| Vanguard Total Stock Market Index Fund | 2.07M | 3.18% |
| iShares Russell 2000 ETF | 1.68M | 2.58% |
| Vanguard Small-Cap Index Fund | 1.50M | 2.30% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of LNTH in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Marshall Robert J. Jr. | Tax withholding | 721 | $72.79K |
| Dinkelborg Ludger | Tax withholding | 2.54K | $255.91K |
| Brown Kimberly | Tax withholding | 463 | $46.72K |
| Ber Gerard | Tax withholding | 381 | $36.83K |
| Heino Mary Anne | Tax withholding | 1.23K | $118.61K |
| Morrow Phuong Khanh | Award | 4.14K | — |
| Maeusli Heinz Christoph | Award | 4.14K | — |
| Pruden Gary J | Award | 4.14K | — |
| Baylor-Henry Minnie | Award | 4.14K | — |
| Ber Gerard | Award | 4.14K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.78M
- Days to cover
- 3.60
- % of shares outstanding
- 5.81%
- Average daily volume
- 1.05M
- Change since last report
- −6.3%
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