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Brown Brothers Harriman & Co’s Lantheus LNTH Stock Holding History

Brown Brothers Harriman & Co’s Portfolio LNTH Stock Details LNTH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$555 Hold
5
– – ﹤0.01% 1784
2026
Q1 		$379 Sell
5
-59
-92% -$4.24K ﹤0.01% 1769
2025
Q4 		$4.26K Sell
64
-238
-79% -$13.8K ﹤0.01% 1555
2025
Q3 		$15.5K Buy
+302
New +$18.9K ﹤0.01% 1215
2024
Q4 		– Sell
-42
Closed -$4.61K – 1533
2024
Q3 		$4.61K Buy
+42
New +$4.36K ﹤0.01% 1168

Other funds holding LNTH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Brown Brothers Harriman & Co's LNTH Position: Q2 2026 in Review

Brown Brothers Harriman & Co held its Lantheus (LNTH) position steady in Q2 2026 at 5 shares worth $555. The position accounts for ﹤0.01% of the portfolio, ranked #1784.

Brown Brothers Harriman & Co first reported a position in LNTH in Q3 2024 and has held it in 5 quarters since. The position peaked at $15.5K in Q3 2025. 466 funds tracked by Wall St. Rank hold LNTH as of Q2 2026.

  • Brown Brothers Harriman & Co held 5 shares of Lantheus worth $555 as of Q2 2026.
  • Brown Brothers Harriman & Co left its Lantheus share count unchanged in Q2 2026.
  • Lantheus made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1784 holding.
  • Brown Brothers Harriman & Co first reported a position in Lantheus in Q3 2024 and has held it in 5 quarters since.
  • Brown Brothers Harriman & Co's Lantheus position peaked at $15.5K in Q3 2025.
  • 466 funds tracked by Wall St. Rank held Lantheus as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.