Lantheus
LNTH
529 hedge funds and large institutions have $7.7B invested in Lantheus in 2025 Q1 according to their latest regulatory filings, with 88 funds opening new positions, 201 increasing their positions, 178 reducing their positions, and 43 closing their positions.
105% more first-time investments, than exits
New positions opened: 88 | Existing positions closed: 43
103% more capital inflows, than outflows
Capital inflows: $822M | Capital outflows: $405M
60% more call options, than puts
Call options by funds: $43.3M | Put options by funds: $27.1M
25% more funds holding in top 10
Funds holding in top 10: 8 → 10 (+2)
13% more repeat investments, than reductions
Existing positions increased: 201 | Existing positions reduced: 178
8% more funds holding
Funds holding: 489 → 529 (+40)
6.15% more ownership
Funds ownership: 107.44% → 113.59% (+6.1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Farallon Capital Management
San Francisco,
California
|
+$66.1M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
+$64.1M |
| 3 |
TD Asset Management
Toronto,
Ontario, Canada
|
+$58.2M |
| 4 |
BNP Paribas Financial Markets
Paris,
France
|
+$39.1M |
| 5 |
Epoch Investment Partners
New York
|
+$34.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$25.8M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$24.6M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$23.6M |
| 4 |
Driehaus Capital Management
Chicago,
Illinois
|
-$22.8M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$22.7M |
LNTH Hedge Fund Activity: Q1 2025 in Review
529 of the 7,488 institutional investors tracked by Wall St. Rank reported a position in Lantheus (LNTH) for Q1 2025, worth a combined $7.7B — up 15% from $6.69B a quarter earlier.
Buyers outnumbered sellers: 88 funds opened new LNTH positions and 43 closed out — a net gain of 45 holders — while 201 added to existing stakes and 178 trimmed.
The largest buyer was Farallon Capital Management, adding an estimated $66.1M. The largest seller was Morgan Stanley, cutting an estimated $25.8M.
- 529 institutional investors held Lantheus (LNTH) as of Q1 2025, up from 489 in Q4 2024.
- Funds reported $7.7B of Lantheus stock for Q1 2025, up 15% quarter-over-quarter.
- 88 funds opened new Lantheus positions in Q1 2025 and 43 closed out, a net change of +45 holders.
- The largest Lantheus buyer in Q1 2025 was Farallon Capital Management, an estimated $66.1M added.
- The largest Lantheus seller in Q1 2025 was Morgan Stanley, an estimated $25.8M sold.
Based on aggregated 13F filings for Q1 2025.