Simplex Trading
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Simplex Trading’s Actinium Pharmaceuticals ATNM Stock Holding History

Simplex Trading’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
2024
Q3 		– Sell
-1,900
Closed -$14K – 8427
2024
Q2 		$14K Sell
1,900
-12,700
-87% -$105K ﹤0.01% 7163
2024
Q1 		$114K Buy
14,600
+13,600
+1,360% +$87.4K ﹤0.01% 5448
2023
Q4 		$5K Buy
+1,000
New +$5.15K ﹤0.01% 7825
2023
Q3 		– Sell
-10,000
Closed -$74K – 8623
2023
Q2 		$74K Sell
10,000
-12,000
-55% -$102K ﹤0.01% 5423
2023
Q1 		$207K Buy
22,000
+1,500
+7% +$15.8K ﹤0.01% 4274
2022
Q4 		$218K Buy
20,500
+16,400
+400% +$166K ﹤0.01% 4120
2022
Q3 		$30K Sell
4,100
-1,800
-31% -$11.2K ﹤0.01% 7061
2022
Q2 		$28K Sell
5,900
-4,500
-43% -$25.5K ﹤0.01% 7212
2022
Q1 		$53K Buy
10,400
+300
+3% +$1.58K ﹤0.01% 7038
2021
Q4 		$60K Sell
10,100
-10,600
-51% -$79.5K ﹤0.01% 6999
2021
Q3 		$160K Hold
20,700
– – ﹤0.01% 5948
2021
Q2 		$163K Buy
+20,700
New +$162K ﹤0.01% 6013
2021
Q1 		– Sell
-991
Closed -$772K – 8754
2020
Q4 		$772K Buy
991
+983
+12,288% +$10.7K ﹤0.01% 2877
2020
Q3 		$6K Buy
+8
New +$88 ﹤0.01% 7003
2020
Q2 		– Sell
-2
Closed -$1K – 7560
2020
Q1 		$1K Hold
2
– – ﹤0.01% 7314
2019
Q4 		$1K Buy
+2
New +$14 ﹤0.01% 7063
2018
Q1 		– Sell
-3
Closed -$18K – 6093
2017
Q4 		$18K Buy
+3
New +$60 ﹤0.01% 3377
2016
Q2 		– Sell
-1
Closed -$1K – 5781
2016
Q1 		$1K Buy
+1
New +$63 ﹤0.01% 5002
2015
Q4 		– Sell
-3
Closed -$39K – 5358
2015
Q3 		$39K Hold
3
– – ﹤0.01% 2177
2015
Q2 		$32K Buy
+3
New +$256 ﹤0.01% 2029

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

Simplex Trading's ATNM Position: Q2 2025 in Review

Simplex Trading sold out of Actinium Pharmaceuticals (ATNM) in Q2 2025, closing a stake of 2,966 shares — an estimated $4.44K sold.

Simplex Trading first reported a position in ATNM in Q1 2015 and held it in 19 quarters. The position peaked at $294K in Q3 2022. 63 funds tracked by Wall St. Rank hold ATNM as of Q2 2025.

  • Simplex Trading reported no remaining Actinium Pharmaceuticals position as of Q2 2025 after selling out during the quarter.
  • Simplex Trading sold 2,966 Actinium Pharmaceuticals shares in Q2 2025, an estimated $4.44K.
  • Simplex Trading first reported a position in Actinium Pharmaceuticals in Q1 2015 and held it in 19 quarters.
  • Simplex Trading's Actinium Pharmaceuticals position peaked at $294K in Q3 2022.
  • 63 funds tracked by Wall St. Rank held Actinium Pharmaceuticals as of Q2 2025.

Based on Simplex Trading's 13F filing for Q2 2025, filed 5 Aug 2025.