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North Star Asset Management’s Actinium Pharmaceuticals ATNM Stock Holding History

North Star Asset Management’s Portfolio ATNM Stock Details ATNM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$19.9K Hold
20,000
– – ﹤0.01% 351
2025
Q4 		$27.2K Hold
20,000
– – ﹤0.01% 344
2025
Q3 		$32K Hold
20,000
– – ﹤0.01% 342
2025
Q2 		$28K Buy
20,000
+10,000
+100% +$15K ﹤0.01% 336
2025
Q1 		$16.1K Hold
10,000
– – ﹤0.01% 317
2024
Q4 		$12.6K Buy
+10,000
New +$15.5K ﹤0.01% 316

Other funds holding ATNM

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
GS
Gagnon Securities New York $433M AUM 29.08% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

North Star Asset Management's ATNM Position: Q1 2026 in Review

North Star Asset Management held its Actinium Pharmaceuticals (ATNM) position steady in Q1 2026 at 20,000 shares worth $19.9K. The position accounts for ﹤0.01% of the portfolio, ranked #351.

North Star Asset Management first reported a position in ATNM in Q4 2024 and has held it in 6 quarters since. The position peaked at $32K in Q3 2025. 54 funds tracked by Wall St. Rank hold ATNM as of Q1 2026.

  • North Star Asset Management held 20,000 shares of Actinium Pharmaceuticals worth $19.9K as of Q1 2026.
  • North Star Asset Management left its Actinium Pharmaceuticals share count unchanged in Q1 2026.
  • Actinium Pharmaceuticals made up ﹤0.01% of North Star Asset Management's portfolio in Q1 2026, its #351 holding.
  • North Star Asset Management first reported a position in Actinium Pharmaceuticals in Q4 2024 and has held it in 6 quarters since.
  • North Star Asset Management's Actinium Pharmaceuticals position peaked at $32K in Q3 2025.
  • 54 funds tracked by Wall St. Rank held Actinium Pharmaceuticals as of Q1 2026.

Based on North Star Asset Management's 13F filing for Q1 2026, filed 6 May 2026.