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Mather Group’s Lantheus LNTH Stock Holding History

Mather Group’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
Q1 		$10.3K Buy
+136
New +$9.76K ﹤0.01% 1450
2025
Q4 		– Sell
-136
Closed -$6.97K – 1226
2025
Q3 		$6.97K Buy
+136
New +$8.5K ﹤0.01% 1330
2025
Q2 		– Sell
-136
Closed -$13.3K – 1251
2025
Q1 		$13.3K Hold
136
– – ﹤0.01% 1187
2024
Q4 		$12.2K Buy
136
+109
+404% +$10.6K ﹤0.01% 1196
2024
Q3 		$2.96K Hold
27
– – ﹤0.01% 1408
2024
Q2 		$1.68K Buy
+27
New +$1.98K ﹤0.01% 1933

Other funds holding LNTH

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mather Group's LNTH Position: Q1 2026 in Review

Mather Group opened a new position in Lantheus (LNTH) in Q1 2026: 136 shares worth $10.3K. The stake represents ﹤0.01% of the portfolio and ranks #1450 among its holdings. This is a return to the name: Mather Group previously reported a position in LNTH as recently as Q3 2025.

Mather Group first reported a position in LNTH in Q2 2024 and has held it in 6 quarters since. The position peaked at $13.3K in Q1 2025. 404 funds tracked by Wall St. Rank hold LNTH as of Q1 2026.

  • Mather Group held 136 shares of Lantheus worth $10.3K as of Q1 2026.
  • Lantheus was a new Mather Group position in Q1 2026.
  • Lantheus made up ﹤0.01% of Mather Group's portfolio in Q1 2026, its #1450 holding.
  • Mather Group first reported a position in Lantheus in Q2 2024 and has held it in 6 quarters since.
  • Mather Group's Lantheus position peaked at $13.3K in Q1 2025.
  • 404 funds tracked by Wall St. Rank held Lantheus as of Q1 2026.

Based on Mather Group's 13F filing for Q1 2026, filed 13 Apr 2026.