Susquehanna International Group’s Actinium Pharmaceuticals ATNM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-13,100
Closed -$17.8K 13131
2025
Q4
$17.8K Sell
13,100
-4,100
-24% -$5.98K ﹤0.01% 11981
2025
Q3
$27.5K Buy
+17,200
New +$28K ﹤0.01% 11991
2025
Q2
Sell
-10,700
Closed -$17.2K 12616
2025
Q1
$17.2K Sell
10,700
-3,700
-26% -$4.7K ﹤0.01% 12150
2024
Q4
$18.1K Buy
+14,400
New +$22.3K ﹤0.01% 11932
2024
Q3
Sell
-41,300
Closed -$306K 11922
2024
Q2
$306K Sell
41,300
-53,500
-56% -$440K ﹤0.01% 9404
2024
Q1
$742K Buy
94,800
+14,300
+18% +$91.9K ﹤0.01% 7577
2023
Q4
$409K Sell
80,500
-200
-0.2% -$1.03K ﹤0.01% 9135
2023
Q3
$478K Buy
80,700
+54,900
+213% +$365K ﹤0.01% 8332
2023
Q2
$191K Sell
25,800
-59,900
-70% -$510K ﹤0.01% 10319
2023
Q1
$810K Buy
85,700
+33,100
+63% +$349K ﹤0.01% 7377
2022
Q4
$560K Sell
52,600
-78,000
-60% -$792K ﹤0.01% 7564
2022
Q3
$964K Sell
130,600
-22,100
-14% -$137K ﹤0.01% 6719
2022
Q2
$734K Buy
152,700
+85,400
+127% +$485K ﹤0.01% 7289
2022
Q1
$344K Sell
67,300
-44,300
-40% -$233K ﹤0.01% 9922
2021
Q4
$671K Sell
111,600
-96,600
-46% -$725K ﹤0.01% 8383
2021
Q3
$1.84M Buy
208,200
+140,900
+209% +$980K ﹤0.01% 6010
2021
Q2
$532K Buy
67,300
+2,400
+4% +$18.8K ﹤0.01% 9435
2021
Q1
$495K Buy
64,900
+27,800
+75% +$236K ﹤0.01% 9496
2020
Q4
$289K Buy
37,100
+26,800
+260% +$291K ﹤0.01% 9340
2020
Q3
$100K Buy
10,300
+9,790
+1,920% +$108K ﹤0.01% 9914
2020
Q2
$5K Buy
+510
New +$3.86K ﹤0.01% 10006
2017
Q4
Sell
-1,270
Closed -$22K 9209
2017
Q3
$22K Sell
1,270
-860
-40% -$18.9K ﹤0.01% 8638
2017
Q2
$78K Buy
2,130
+1,060
+99% +$44.4K ﹤0.01% 8787
2017
Q1
$48K Buy
+1,070
New +$41.1K ﹤0.01% 8599
2016
Q3
Sell
-537
Closed -$28K 8366
2016
Q2
$28K Sell
537
-136
-20% -$7.59K ﹤0.01% 8334
2016
Q1
$40K Buy
+673
New +$42.5K ﹤0.01% 8710
2015
Q4
Sell
-357
Closed -$19K 9388
2015
Q3
$19K Sell
357
-1,386
-80% -$92.6K ﹤0.01% 9506
2015
Q2
$139K Sell
1,743
-387
-18% -$33K ﹤0.01% 9528
2015
Q1
$158K Buy
+2,130
New +$253K ﹤0.01% 8784

Other funds holding ATNM

Susquehanna International Group's ATNM Position: Q1 2026 in Review

Susquehanna International Group increased its Actinium Pharmaceuticals (ATNM) stake by 50% in Q1 2026, buying an estimated $49.4K and bringing the position to 123,998 shares worth $123K. The position accounts for ﹤0.01% of the portfolio, ranked #12197.

Susquehanna International Group first reported a position in ATNM in Q2 2015 and has held it in 33 quarters since. The position peaked at $2.31M in Q1 2023. 54 funds tracked by Wall St. Rank hold ATNM as of Q1 2026.

  • Susquehanna International Group held 123,998 shares of Actinium Pharmaceuticals worth $123K as of Q1 2026.
  • Susquehanna International Group bought 41,524 Actinium Pharmaceuticals shares in Q1 2026, an estimated $49.4K.
  • Actinium Pharmaceuticals made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #12197 holding.
  • Susquehanna International Group first reported a position in Actinium Pharmaceuticals in Q2 2015 and has held it in 33 quarters since.
  • Susquehanna International Group's Actinium Pharmaceuticals position peaked at $2.31M in Q1 2023.
  • 54 funds tracked by Wall St. Rank held Actinium Pharmaceuticals as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.