AIG
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American International Group’s Prothena Corp PRTA Stock Holding History

American International Group’s Portfolio PRTA Stock Details PRTA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q2 		– Sell
-20,795
Closed -$515K – 2054
2024
Q1 		$515K Sell
20,795
-178
-0.8% -$5.29K ﹤0.01% 1635
2023
Q4 		$762K Buy
20,973
+283
+1% +$10.9K ﹤0.01% 1447
2023
Q3 		$998K Buy
20,690
+736
+4% +$43.7K 0.01% 1231
2023
Q2 		$1.36M Buy
19,954
+1,069
+6% +$69K 0.01% 1101
2023
Q1 		$915K Buy
18,885
+1,541
+9% +$81.4K 0.01% 1263
2022
Q4 		$1.04M Buy
17,344
+502
+3% +$29.4K 0.01% 1188
2022
Q3 		$1.02M Buy
16,842
+238
+1% +$7.52K 0.01% 1170
2022
Q2 		$451K Sell
16,604
-1,344
-7% -$39.3K ﹤0.01% 1674
2022
Q1 		$656K Sell
17,948
-1,264
-7% -$45.6K ﹤0.01% 1578
2021
Q4 		$949K Buy
19,212
+82
+0.4% +$4.55K ﹤0.01% 1465
2021
Q3 		$1.36M Buy
19,130
+23
+0.1% +$1.43K 0.01% 1253
2021
Q2 		$982 Buy
19,107
+1,175
+7% +$36.7K ﹤0.01% 1525
2021
Q1 		$450 Buy
17,932
+48
+0.3% +$903 ﹤0.01% 1893
2020
Q4 		$215 Sell
17,884
-514
-3% -$6.08K ﹤0.01% 2251
2020
Q3 		$184K Sell
18,398
-417
-2% -$5.02K ﹤0.01% 2191
2020
Q2 		$197K Sell
18,815
-4,984
-21% -$55.4K ﹤0.01% 2130
2020
Q1 		$255K Sell
23,799
-1,375
-5% -$16.7K ﹤0.01% 1774
2019
Q4 		$399K Sell
25,174
-212
-0.8% -$2.27K ﹤0.01% 1825
2019
Q3 		$199K Sell
25,386
-176
-0.7% -$1.56K ﹤0.01% 2170
2019
Q2 		$270K Sell
25,562
-59
-0.2% -$606 ﹤0.01% 2042
2019
Q1 		$311K Sell
25,621
-831
-3% -$10.4K ﹤0.01% 1970
2018
Q4 		$272K Sell
26,452
-204
-0.8% -$2.42K ﹤0.01% 2003
2018
Q3 		$349K Buy
26,656
+481
+2% +$6.95K ﹤0.01% 2088
2018
Q2 		$382K Buy
26,175
+1,353
+5% +$26.7K ﹤0.01% 1997
2018
Q1 		$911K Sell
24,822
-1,045
-4% -$38K ﹤0.01% 1329
2017
Q4 		$970K Buy
25,867
+121
+0.5% +$6.16K ﹤0.01% 1391
2017
Q3 		$1.67M Buy
25,746
+1,925
+8% +$118K 0.01% 1060
2017
Q2 		$1.29M Buy
23,821
+2,782
+13% +$148K ﹤0.01% 1146
2017
Q1 		$1.17M Buy
21,039
+1,066
+5% +$56K ﹤0.01% 1128
2016
Q4 		$982K Sell
19,973
-52
-0.3% -$2.87K ﹤0.01% 1243
2016
Q3 		$1.2M Buy
20,025
+30
+0.2% +$1.61K ﹤0.01% 1114
2016
Q2 		$699K Buy
19,995
+1,672
+9% +$72.8K ﹤0.01% 1397
2016
Q1 		$754K Hold
18,323
– – ﹤0.01% 1682
2015
Q4 		$1.25M Sell
18,323
-32
-0.2% -$1.93K 0.01% 1358
2015
Q3 		$832K Buy
18,355
+21
+0.1% +$1.22K ﹤0.01% 1590
2015
Q2 		$966K Buy
18,334
+1,574
+9% +$62.1K ﹤0.01% 1617
2015
Q1 		$639K Hold
16,760
– – ﹤0.01% 1963
2014
Q4 		$348K Sell
16,760
-537
-3% -$11.2K ﹤0.01% 2454
2014
Q3 		$383K Buy
17,297
+2,568
+17% +$54.4K ﹤0.01% 2369
2014
Q2 		$332K Buy
14,729
+5,055
+52% +$126K ﹤0.01% 2545
2014
Q1 		$371K Buy
9,674
+232
+2% +$7.48K ﹤0.01% 2313
2013
Q4 		$250K Buy
9,442
+1,481
+19% +$37.1K ﹤0.01% 2590
2013
Q3 		$161K Buy
7,961
+7,960
+796,000% +$141K ﹤0.01% 2913
2013
Q2 		$13 Buy
+1
New +$9 ﹤0.01% 4635

Other funds holding PRTA

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

American International Group's PRTA Position: Q2 2024 in Review

American International Group sold out of Prothena Corp (PRTA) in Q2 2024, closing a stake of 20,795 shares — an estimated $515K sold.

American International Group first reported a position in PRTA in Q2 2013 and held it in 44 quarters. The position peaked at $1.67M in Q3 2017. 160 funds tracked by Wall St. Rank hold PRTA as of Q2 2024.

  • American International Group reported no remaining Prothena Corp position as of Q2 2024 after selling out during the quarter.
  • American International Group sold 20,795 Prothena Corp shares in Q2 2024, an estimated $515K.
  • American International Group first reported a position in Prothena Corp in Q2 2013 and held it in 44 quarters.
  • American International Group's Prothena Corp position peaked at $1.67M in Q3 2017.
  • 160 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2024.

Based on American International Group's 13F filing for Q2 2024, filed 13 Aug 2024.