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
Q2 		– Sell
-34,923
Closed -$34.8K – 3232
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
New +$1.91M ﹤0.01% 2777
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

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CFM
Compass Financial Management Tampa, Florida $829M AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
GS
Gagnon Securities New York $519M AUM 44.91% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Dimensional Fund Advisors's ATNM Position: Q2 2026 in Review

Dimensional Fund Advisors sold out of Actinium Pharmaceuticals (ATNM) in Q2 2026, closing a stake of 34,923 shares — an estimated $34.8K sold.

Dimensional Fund Advisors first reported a position in ATNM in Q3 2021 and held it in 18 quarters. The position peaked at $1.71M in Q1 2023. 47 funds tracked by Wall St. Rank hold ATNM as of Q2 2026.

  • Dimensional Fund Advisors reported no remaining Actinium Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • Dimensional Fund Advisors sold 34,923 Actinium Pharmaceuticals shares in Q2 2026, an estimated $34.8K.
  • Dimensional Fund Advisors first reported a position in Actinium Pharmaceuticals in Q3 2021 and held it in 18 quarters.
  • Dimensional Fund Advisors's Actinium Pharmaceuticals position peaked at $1.71M in Q1 2023.
  • 47 funds tracked by Wall St. Rank held Actinium Pharmaceuticals as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.