Jane Street
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Jane Street’s Actinium Pharmaceuticals ATNM Stock Holding History

Jane Street’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 		$34.1K Sell
34,299
-58,893
-63% -$70K ﹤0.01% 11082
2025
Q4 		$127K Buy
93,192
+170
+0.2% +$248 ﹤0.01% 10050
2025
Q3 		$149K Sell
93,022
-125,302
-57% -$204K ﹤0.01% 9886
2025
Q2 		$306K Buy
+218,324
New +$327K ﹤0.01% 7831
2024
Q4 		– Sell
-40,837
Closed -$76.8K – 9357
2024
Q3 		$76.8K Sell
40,837
-24,392
-37% -$96.4K ﹤0.01% 9077
2024
Q2 		$483K Buy
65,229
+15,293
+31% +$126K ﹤0.01% 7071
2024
Q1 		$391K Buy
49,936
+20,214
+68% +$130K ﹤0.01% 7119
2023
Q4 		$151K Buy
+29,722
New +$153K ﹤0.01% 8389
2023
Q3 		– Sell
-10,585
Closed -$78.5K – 8598
2023
Q2 		$78.5K Sell
10,585
-113,704
-91% -$967K ﹤0.01% 8091
2023
Q1 		$1.17M Buy
124,289
+104,827
+539% +$1.11M ﹤0.01% 4720
2022
Q4 		$207K Buy
+19,462
New +$198K ﹤0.01% 7621
2020
Q2 		– Sell
-498
Closed -$3K – 7039
2020
Q1 		$3K Sell
498
-1,533
-75% -$10.9K ﹤0.01% 5218
2019
Q4 		$13K Buy
+2,031
New +$14K ﹤0.01% 4960
2015
Q3 		– Sell
-1,627
Closed -$129K – 3547
2015
Q2 		$129K Buy
+1,627
New +$139K ﹤0.01% 3375

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

Jane Street's ATNM Position: Q1 2026 in Review

Jane Street reduced its Actinium Pharmaceuticals (ATNM) stake by 63% in Q1 2026, selling an estimated $70K and leaving 34,299 shares worth $34.1K. The position accounts for ﹤0.01% of the portfolio, ranked #11082.

Jane Street first reported a position in ATNM in Q2 2015 and has held it in 14 quarters since. The position peaked at $1.17M in Q1 2023. 54 funds tracked by Wall St. Rank hold ATNM as of Q1 2026.

  • Jane Street held 34,299 shares of Actinium Pharmaceuticals worth $34.1K as of Q1 2026.
  • Jane Street sold 58,893 Actinium Pharmaceuticals shares in Q1 2026, an estimated $70K.
  • Actinium Pharmaceuticals made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #11082 holding.
  • Jane Street first reported a position in Actinium Pharmaceuticals in Q2 2015 and has held it in 14 quarters since.
  • Jane Street's Actinium Pharmaceuticals position peaked at $1.17M in Q1 2023.
  • 54 funds tracked by Wall St. Rank held Actinium Pharmaceuticals as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.