Goldman Sachs
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Goldman Sachs’s Prothena Corp PRTA Stock Holding History

Goldman Sachs’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
2021
Q2 		– Sell
-11,100
Closed -$279K – 6448
2021
Q1 		$279K Hold
11,100
– – ﹤0.01% 5463
2020
Q4 		$133K Sell
11,100
-27,200
-71% -$322K ﹤0.01% 5234
2020
Q3 		$383K Hold
38,300
– – ﹤0.01% 4616
2020
Q2 		$401K Buy
+38,300
New +$426K ﹤0.01% 4483
2018
Q2 		– Sell
-2,200
Closed -$81K – 5931
2018
Q1 		$81K Sell
2,200
-2,400
-52% -$87.3K ﹤0.01% 5352
2017
Q4 		$172K Buy
4,600
+2,100
+84% +$107K ﹤0.01% 5497
2017
Q3 		$162K Sell
2,500
-50,200
-95% -$3.08M ﹤0.01% 5873
2017
Q2 		$2.85M Buy
52,700
+21,200
+67% +$1.13M ﹤0.01% 3538
2017
Q1 		$1.76M Buy
31,500
+25,900
+463% +$1.36M ﹤0.01% 3875
2016
Q4 		$275K Sell
5,600
-20,200
-78% -$1.11M ﹤0.01% 5556
2016
Q3 		$1.55M Buy
25,800
+13,800
+115% +$740K ﹤0.01% 4031
2016
Q2 		$420K Sell
12,000
-33,300
-74% -$1.45M ﹤0.01% 5019
2016
Q1 		$1.86M Buy
45,300
+29,800
+192% +$1.17M ﹤0.01% 3545
2015
Q4 		$1.06M Buy
15,500
+9,800
+172% +$591K ﹤0.01% 4237
2015
Q3 		$258K Sell
5,700
-14,100
-71% -$821K ﹤0.01% 5748
2015
Q2 		$1.04M Buy
19,800
+12,300
+164% +$485K ﹤0.01% 4505
2015
Q1 		$286K Sell
7,500
-58,022
-89% -$1.49M ﹤0.01% 5698
2014
Q4 		$1.36M Buy
65,522
+5,000
+8% +$104K ﹤0.01% 4245
2014
Q3 		$1.34M Buy
60,522
+52,000
+610% +$1.1M ﹤0.01% 4312
2014
Q2 		$192K Buy
8,522
+8,500
+38,636% +$213K ﹤0.01% 6231
2014
Q1 		$1K Sell
22
-44
-67% -$1.42K ﹤0.01% 6741
2013
Q4 		$2K Buy
+66
New +$1.66K ﹤0.01% 6617

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return

Goldman Sachs's PRTA Position: Q1 2026 in Review

Goldman Sachs reduced its Prothena Corp (PRTA) stake by 12% in Q1 2026, selling an estimated $1.07M and leaving 818,885 shares worth $7.96M. The position accounts for ﹤0.01% of the portfolio, ranked #3259.

Goldman Sachs first reported a position in PRTA in Q2 2013 and has held it in 51 quarters since. The position peaked at $20.6M in Q3 2017. 185 funds tracked by Wall St. Rank hold PRTA as of Q1 2026.

  • Goldman Sachs held 818,885 shares of Prothena Corp worth $7.96M as of Q1 2026.
  • Goldman Sachs sold 116,448 Prothena Corp shares in Q1 2026, an estimated $1.07M.
  • Prothena Corp made up ﹤0.01% of Goldman Sachs's portfolio in Q1 2026, its #3259 holding.
  • Goldman Sachs first reported a position in Prothena Corp in Q2 2013 and has held it in 51 quarters since.
  • Goldman Sachs's Prothena Corp position peaked at $20.6M in Q3 2017.
  • 185 funds tracked by Wall St. Rank held Prothena Corp as of Q1 2026.

Based on Goldman Sachs's 13F filing for Q1 2026, filed 15 May 2026.