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Israel Englander’s Actinium Pharmaceuticals ATNM Stock Holding History

Israel Englander’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 		$504K Sell
514,580
-50,020
-9% -$57.8K ﹤0.01% 4765
2026
Q1 		$562K Sell
564,600
-37,000
-6% -$44K ﹤0.01% 4705
2025
Q4 		$818K Sell
601,600
-23,097
-4% -$33.7K ﹤0.01% 4622
2025
Q3 		$1,000K Sell
624,697
-38,572
-6% -$62.8K ﹤0.01% 4629
2025
Q2 		$929K Buy
+663,269
New +$993K ﹤0.01% 4466
2025
Q1 		– Sell
-117,454
Closed -$148K – 5836
2024
Q4 		$148K Sell
117,454
-42,669
-27% -$66.2K ﹤0.01% 5393
2024
Q3 		$301K Buy
160,123
+139,085
+661% +$550K ﹤0.01% 5184
2024
Q2 		$156K Sell
21,038
-46,373
-69% -$382K ﹤0.01% 5224
2024
Q1 		$528K Buy
+67,411
New +$433K ﹤0.01% 4771
2023
Q2 		– Sell
-231,172
Closed -$2.19M – 6093
2023
Q1 		$2.19M Buy
231,172
+177,392
+330% +$1.87M ﹤0.01% 3359
2022
Q4 		$573K Buy
53,780
+4,632
+9% +$47K ﹤0.01% 4642
2022
Q3 		$363K Buy
49,148
+16,008
+48% +$99.5K ﹤0.01% 5220
2022
Q2 		$159K Buy
+33,140
New +$188K ﹤0.01% 5746
2021
Q1 		– Sell
-55,020
Closed -$429K – 5891
2020
Q4 		$429K Buy
+55,020
New +$598K ﹤0.01% 4316
2019
Q3 		– Sell
-509
Closed -$4K – 4143
2019
Q2 		$4K Buy
+509
New +$5.11K ﹤0.01% 3988
2018
Q4 		– Sell
-540
Closed -$12K – 3734
2018
Q3 		$12K Sell
540
-579
-52% -$11.8K ﹤0.01% 3837
2018
Q2 		$21K Sell
1,119
-4,349
-80% -$55.1K ﹤0.01% 3732
2018
Q1 		$60K Buy
+5,468
New +$92.9K ﹤0.01% 3523
2015
Q4 		– Sell
-5,501
Closed -$292K – 3403
2015
Q3 		$292K Buy
5,501
+75
+1% +$5.01K ﹤0.01% 2926
2015
Q2 		$431K Buy
+5,426
New +$463K ﹤0.01% 2705

Other funds holding ATNM

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CFM
Compass Financial Management Tampa, Florida $829M AUM
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Israel Englander's ATNM Position: Q2 2026 in Review

Israel Englander reduced its Actinium Pharmaceuticals (ATNM) stake by 8.9% in Q2 2026, selling an estimated $57.8K and leaving 514,580 shares worth $504K. The position accounts for ﹤0.01% of the portfolio, ranked #4765.

Israel Englander first reported a position in ATNM in Q2 2015 and has held it in 20 quarters since. The position peaked at $2.19M in Q1 2023. 47 funds tracked by Wall St. Rank hold ATNM as of Q2 2026.

  • Israel Englander held 514,580 shares of Actinium Pharmaceuticals worth $504K as of Q2 2026.
  • Israel Englander sold 50,020 Actinium Pharmaceuticals shares in Q2 2026, an estimated $57.8K.
  • Actinium Pharmaceuticals made up ﹤0.01% of Israel Englander's portfolio in Q2 2026, its #4765 holding.
  • Israel Englander first reported a position in Actinium Pharmaceuticals in Q2 2015 and has held it in 20 quarters since.
  • Israel Englander's Actinium Pharmaceuticals position peaked at $2.19M in Q1 2023.
  • 47 funds tracked by Wall St. Rank held Actinium Pharmaceuticals as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.