Geode Capital Management’s Prothena Corp PRTA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$11M Buy
1,125,877
+27,711
+3% +$274K ﹤0.01% 2484
2026
Q1
$10.7M Buy
1,098,166
+35,097
+3% +$322K ﹤0.01% 2341
2025
Q4
$10.2M Buy
1,063,069
+43,586
+4% +$444K ﹤0.01% 2407
2025
Q3
$9.95M Buy
1,019,483
+86,037
+9% +$661K ﹤0.01% 2417
2025
Q2
$5.67M Sell
933,446
-81,346
-8% -$611K ﹤0.01% 2663
2025
Q1
$12.6M Buy
1,014,792
+50,484
+5% +$714K ﹤0.01% 2149
2024
Q4
$13.4M Buy
964,308
+829
+0.1% +$13.1K ﹤0.01% 2177
2024
Q3
$16.1M Sell
963,479
-30,799
-3% -$662K ﹤0.01% 2098
2024
Q2
$20.5M Buy
994,278
+69,698
+8% +$1.51M ﹤0.01% 1921
2024
Q1
$22.9M Buy
924,580
+19,455
+2% +$579K ﹤0.01% 1845
2023
Q4
$32.9M Buy
905,125
+46,065
+5% +$1.77M ﹤0.01% 1615
2023
Q3
$41.5M Buy
859,060
+20,639
+2% +$1.23M ﹤0.01% 1350
2023
Q2
$57.2M Buy
838,421
+58,597
+8% +$3.78M 0.01% 1155
2023
Q1
$37.8M Buy
779,824
+64,223
+9% +$3.39M ﹤0.01% 1379
2022
Q4
$43.1M Buy
715,601
+79,877
+13% +$4.68M 0.01% 1249
2022
Q3
$38.5M Buy
635,724
+4,044
+0.6% +$128K 0.01% 1273
2022
Q2
$17.1M Sell
631,680
-20,295
-3% -$594K ﹤0.01% 1865
2022
Q1
$23.8M Buy
651,975
+28,401
+5% +$1.02M ﹤0.01% 1779
2021
Q4
$30.8M Buy
623,574
+3,401
+0.5% +$189K ﹤0.01% 1682
2021
Q3
$44.2M Buy
620,173
+56,817
+10% +$3.53M 0.01% 1385
2021
Q2
$29M Buy
563,356
+71,775
+15% +$2.24M ﹤0.01% 1715
2021
Q1
$12.3M Buy
491,581
+27,994
+6% +$527K ﹤0.01% 2220
2020
Q4
$5.57M Sell
463,587
-5,151
-1% -$60.9K ﹤0.01% 2547
2020
Q3
$4.68M Sell
468,738
-80,180
-15% -$965K ﹤0.01% 2431
2020
Q2
$5.74M Sell
548,918
-41,208
-7% -$458K ﹤0.01% 2256
2020
Q1
$6.31M Buy
590,126
+20,791
+4% +$252K ﹤0.01% 2007
2019
Q4
$9.01M Buy
569,335
+37,767
+7% +$405K ﹤0.01% 2086
2019
Q3
$4.17M Sell
531,568
-45,647
-8% -$405K ﹤0.01% 2487
2019
Q2
$6.1M Buy
577,215
+31,292
+6% +$321K ﹤0.01% 2269
2019
Q1
$6.62M Buy
545,923
+53,115
+11% +$663K ﹤0.01% 2166
2018
Q4
$5.08M Buy
492,808
+49,954
+11% +$594K ﹤0.01% 2215
2018
Q3
$5.79M Hold
442,854
﹤0.01% 2253
2018
Q2
$6.46M Buy
442,854
+89,527
+25% +$1.77M ﹤0.01% 2164
2018
Q1
$13M Buy
353,327
+8,017
+2% +$292K ﹤0.01% 1577
2017
Q4
$12.9M Sell
345,310
-6,303
-2% -$321K ﹤0.01% 1553
2017
Q3
$22.8M Buy
351,613
+12,963
+4% +$794K 0.01% 1138
2017
Q2
$18.3M Buy
338,650
+19,511
+6% +$1.04M 0.01% 1253
2017
Q1
$17.8M Buy
319,139
+37,801
+13% +$1.99M 0.01% 1242
2016
Q4
$13.8M Buy
281,338
+15,099
+6% +$833K 0.01% 1369
2016
Q3
$16M Buy
266,239
+6,174
+2% +$331K 0.01% 1163
2016
Q2
$9.09M Buy
260,065
+8,373
+3% +$365K ﹤0.01% 1507
2016
Q1
$10.4K Buy
251,692
+38,781
+18% +$1.52M 0.01% 1375
2015
Q4
$14.5M Buy
212,911
+7,851
+4% +$474K 0.01% 1107
2015
Q3
$9.3M Buy
205,060
+4,880
+2% +$284K 0.01% 1395
2015
Q2
$10.5M Buy
200,180
+35,267
+21% +$1.39M 0.01% 1389
2015
Q1
$6.29M Buy
164,913
+11,086
+7% +$284K ﹤0.01% 1731
2014
Q4
$3.19M Sell
153,827
-15,310
-9% -$319K ﹤0.01% 2113
2014
Q3
$3.75M Buy
169,137
+23,968
+17% +$508K ﹤0.01% 1944
2014
Q2
$3.27M Buy
145,169
+22,725
+19% +$568K ﹤0.01% 2074
2014
Q1
$4.69M Buy
122,444
+31,377
+34% +$1.01M ﹤0.01% 1819
2013
Q4
$2.42M Buy
91,067
+31,734
+53% +$796K ﹤0.01% 2178
2013
Q3
$1.2M Buy
59,333
+47,838
+416% +$846K ﹤0.01% 2496
2013
Q2
$148K Buy
+11,495
New +$107K ﹤0.01% 3330

Other funds holding PRTA

Geode Capital Management's PRTA Position: Q2 2026 in Review

Geode Capital Management increased its Prothena Corp (PRTA) stake by 2.5% in Q2 2026, buying an estimated $274K and bringing the position to 1,125,877 shares worth $11M. The position accounts for ﹤0.01% of the portfolio, ranked #2484.

Geode Capital Management first reported a position in PRTA in Q2 2013 and has held it in 53 quarters since. The position peaked at $57.2M in Q2 2023. 186 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

  • Geode Capital Management held 1,125,877 shares of Prothena Corp worth $11M as of Q2 2026.
  • Geode Capital Management bought 27,711 Prothena Corp shares in Q2 2026, an estimated $274K.
  • Prothena Corp made up ﹤0.01% of Geode Capital Management's portfolio in Q2 2026, its #2484 holding.
  • Geode Capital Management first reported a position in Prothena Corp in Q2 2013 and has held it in 53 quarters since.
  • Geode Capital Management's Prothena Corp position peaked at $57.2M in Q2 2023.
  • 186 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on Geode Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.