Citadel Advisors
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Citadel Advisors’s Lantheus LNTH Stock Holding History

Citadel Advisors’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 		$3.45M Sell
45,500
-5,600
-11% -$402K ﹤0.01% 4986
2025
Q4 		$3.4M Sell
51,100
-43,400
-46% -$2.53M ﹤0.01% 4938
2025
Q3 		$4.85M Buy
94,500
+9,100
+11% +$569K ﹤0.01% 4412
2025
Q2 		$6.99M Buy
85,400
+48,700
+133% +$4.28M ﹤0.01% 3552
2025
Q1 		$3.58M Sell
36,700
-67,000
-65% -$6.27M ﹤0.01% 4451
2024
Q4 		$9.28M Sell
103,700
-39,600
-28% -$3.86M ﹤0.01% 3082
2024
Q3 		$15.7M Sell
143,300
-43,100
-23% -$4.48M ﹤0.01% 2321
2024
Q2 		$15M Sell
186,400
-203,100
-52% -$14.9M ﹤0.01% 2317
2024
Q1 		$24.2M Buy
389,500
+148,100
+61% +$8.72M ﹤0.01% 1877
2023
Q4 		$15M Buy
241,400
+116,800
+94% +$7.91M ﹤0.01% 2345
2023
Q3 		$8.66M Sell
124,600
-27,800
-18% -$2.03M ﹤0.01% 2870
2023
Q2 		$12.8M Buy
152,400
+48,600
+47% +$4.36M ﹤0.01% 2367
2023
Q1 		$8.57M Sell
103,800
-12,000
-10% -$774K ﹤0.01% 3007
2022
Q4 		$5.9M Sell
115,800
-123,200
-52% -$7.6M ﹤0.01% 3586
2022
Q3 		$16.8M Buy
239,000
+92,600
+63% +$7.01M ﹤0.01% 2082
2022
Q2 		$9.67M Buy
146,400
+24,500
+20% +$1.54M ﹤0.01% 2733
2022
Q1 		$6.74M Buy
121,900
+101,100
+486% +$3.79M ﹤0.01% 3613
2021
Q4 		$601K Sell
20,800
-2,800
-12% -$74.5K ﹤0.01% 9222
2021
Q3 		$606K Sell
23,600
-11,100
-32% -$290K ﹤0.01% 9395
2021
Q2 		$959K Buy
34,700
+10,700
+45% +$246K ﹤0.01% 8472
2021
Q1 		$513K Sell
24,000
-10,774
-31% -$195K ﹤0.01% 9621
2020
Q4 		$469K Buy
34,774
+874
+3% +$11.4K ﹤0.01% 8258
2020
Q3 		$430K Buy
+33,900
New +$465K ﹤0.01% 7543

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

Citadel Advisors's LNTH Position: Q1 2026 in Review

Citadel Advisors reduced its Lantheus (LNTH) stake by 56% in Q1 2026, selling an estimated $25.8M and leaving 284,544 shares worth $21.6M. The position accounts for ﹤0.01% of the portfolio, ranked #2242.

Citadel Advisors first reported a position in LNTH in Q3 2015 and has held it in 35 quarters since. The position peaked at $66.8M in Q1 2022. 404 funds tracked by Wall St. Rank hold LNTH as of Q1 2026.

  • Citadel Advisors held 284,544 shares of Lantheus worth $21.6M as of Q1 2026.
  • Citadel Advisors sold 359,652 Lantheus shares in Q1 2026, an estimated $25.8M.
  • Lantheus made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2242 holding.
  • Citadel Advisors first reported a position in Lantheus in Q3 2015 and has held it in 35 quarters since.
  • Citadel Advisors's Lantheus position peaked at $66.8M in Q1 2022.
  • 404 funds tracked by Wall St. Rank held Lantheus as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.