Dimensional Fund Advisors
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Dimensional Fund Advisors’s Actinium Pharmaceuticals ATNM Stock Holding History

Dimensional Fund Advisors’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 		$34.8K Hold
34,923
– – ﹤0.01% 3191
2025
Q4 		$47.5K Hold
34,923
– – ﹤0.01% 3214
2025
Q3 		$55.9K Hold
34,923
– – ﹤0.01% 3234
2025
Q2 		$48.9K Hold
34,923
– – ﹤0.01% 3238
2025
Q1 		$56.2K Hold
34,923
– – ﹤0.01% 3251
2024
Q4 		$44K Sell
34,923
-16,361
-32% -$25.4K ﹤0.01% 3300
2024
Q3 		$96.4K Sell
51,284
-60,585
-54% -$239K ﹤0.01% 3244
2024
Q2 		$828K Sell
111,869
-32,596
-23% -$268K ﹤0.01% 2936
2024
Q1 		$1.13M Sell
144,465
-2,972
-2% -$19.1K ﹤0.01% 2902
2023
Q4 		$749K Sell
147,437
-15,332
-9% -$79K ﹤0.01% 2982
2023
Q3 		$964K Sell
162,769
-17,376
-10% -$116K ﹤0.01% 2938
2023
Q2 		$1.34M Sell
180,145
-353
-0.2% -$3K ﹤0.01% 2876
2023
Q1 		$1.71M Buy
180,498
+16,578
+10% +$175K ﹤0.01% 2777
2022
Q4 		$1.75K Buy
163,920
+46,404
+39% +$471K ﹤0.01% 2759
2022
Q3 		$867K Buy
117,516
+90,212
+330% +$561K ﹤0.01% 2921
2022
Q2 		$131K Hold
27,304
– – ﹤0.01% 3293
2022
Q1 		$140K Buy
27,304
+1,195
+5% +$6.29K ﹤0.01% 3355
2021
Q4 		$157K Buy
26,109
+15,030
+136% +$113K ﹤0.01% 3377
2021
Q3 		$98K Buy
+11,079
New +$77K ﹤0.01% 3429

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

Dimensional Fund Advisors's ATNM Position: Q1 2026 in Review

Dimensional Fund Advisors held its Actinium Pharmaceuticals (ATNM) position steady in Q1 2026 at 34,923 shares worth $34.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3191.

Dimensional Fund Advisors first reported a position in ATNM in Q3 2021 and has held it in 19 quarters since. The position peaked at $1.71M in Q1 2023. 54 funds tracked by Wall St. Rank hold ATNM as of Q1 2026.

  • Dimensional Fund Advisors held 34,923 shares of Actinium Pharmaceuticals worth $34.8K as of Q1 2026.
  • Dimensional Fund Advisors left its Actinium Pharmaceuticals share count unchanged in Q1 2026.
  • Actinium Pharmaceuticals made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q1 2026, its #3191 holding.
  • Dimensional Fund Advisors first reported a position in Actinium Pharmaceuticals in Q3 2021 and has held it in 19 quarters since.
  • Dimensional Fund Advisors's Actinium Pharmaceuticals position peaked at $1.71M in Q1 2023.
  • 54 funds tracked by Wall St. Rank held Actinium Pharmaceuticals as of Q1 2026.

Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.