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
2018
Q3 		– Sell
-1,100
Closed -$16K – 5748
2018
Q2 		$16K Sell
1,100
-3,200
-74% -$63.2K ﹤0.01% 5508
2018
Q1 		$158K Sell
4,300
-11,800
-73% -$429K ﹤0.01% 5112
2017
Q4 		$604K Buy
16,100
+10,300
+178% +$524K ﹤0.01% 4686
2017
Q3 		$376K Sell
5,800
-16,400
-74% -$1M ﹤0.01% 5303
2017
Q2 		$1.2M Buy
22,200
+7,700
+53% +$410K ﹤0.01% 4293
2017
Q1 		$809K Buy
14,500
+10,700
+282% +$562K ﹤0.01% 4574
2016
Q4 		$187K Sell
3,800
-8,400
-69% -$463K ﹤0.01% 5812
2016
Q3 		$732K Buy
12,200
+7,500
+160% +$402K ﹤0.01% 4683
2016
Q2 		$164K Sell
4,700
-45,100
-91% -$1.96M ﹤0.01% 5838
2016
Q1 		$2.05M Buy
49,800
+42,000
+538% +$1.64M ﹤0.01% 3441
2015
Q4 		$531K Sell
7,800
-10,300
-57% -$621K ﹤0.01% 4868
2015
Q3 		$821K Buy
18,100
+1,800
+11% +$105K ﹤0.01% 4670
2015
Q2 		$859K Buy
16,300
+13,800
+552% +$545K ﹤0.01% 4674
2015
Q1 		$95K Sell
2,500
-51,622
-95% -$1.32M ﹤0.01% 6438
2014
Q4 		$1.12M Sell
54,122
-56,100
-51% -$1.17M ﹤0.01% 4437
2014
Q3 		$2.44M Buy
110,222
+53,080
+93% +$1.13M ﹤0.01% 3741
2014
Q2 		$1.29M Buy
57,142
+57,000
+40,141% +$1.43M ﹤0.01% 4452
2014
Q1 		$5K Sell
142
-192
-57% -$6.19K ﹤0.01% 6730
2013
Q4 		$9K Buy
+334
New +$8.38K ﹤0.01% 6586

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.