Renaissance Technologies
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Renaissance Technologies’s Krystal Biotech KRYS Stock Holding History

Renaissance Technologies’s Portfolio KRYS Stock Details KRYS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$21M Buy
63,120
+3,440
+6% +$1.19M 0.03% 683
2026
Q2 		$22.2M Buy
59,680
+50,080
+522% +$15M 0.03% 657
2026
Q1 		$2.48M Buy
9,600
+6,300
+191% +$1.68M ﹤0.01% 1779
2025
Q4 		$814K Buy
+3,300
New +$695K ﹤0.01% 2377
2025
Q3 		– Sell
-89,800
Closed -$12.3M – 3727
2025
Q2 		$12.3M Buy
89,800
+78,600
+702% +$11.5M 0.02% 944
2025
Q1 		$2.02M Buy
11,200
+300
+3% +$50.5K ﹤0.01% 1999
2024
Q4 		$1.71M Sell
10,900
-3,500
-24% -$621K ﹤0.01% 2154
2024
Q3 		$2.62M Buy
+14,400
New +$2.78M ﹤0.01% 1845
2024
Q2 		– Sell
-24,700
Closed -$4.4M – 3763
2024
Q1 		$4.4M Buy
+24,700
New +$3.43M 0.01% 1497
2021
Q4 		– Sell
-33,300
Closed -$1.74M – 4085
2021
Q3 		$1.74M Buy
+33,300
New +$1.97M ﹤0.01% 2198
2020
Q4 		– Sell
-19,600
Closed -$844K – 3567
2020
Q3 		$844K Sell
19,600
-41,800
-68% -$1.82M ﹤0.01% 2596
2020
Q2 		$2.54M Buy
61,400
+55,400
+923% +$2.67M ﹤0.01% 2043
2020
Q1 		$259K Buy
+6,000
New +$314K ﹤0.01% 3025
2019
Q2 		– Sell
-30,800
Closed -$1.01M – 3661
2019
Q1 		$1.01M Sell
30,800
-11,100
-26% -$262K ﹤0.01% 2664
2018
Q4 		$871K Sell
41,900
-8,800
-17% -$184K ﹤0.01% 2643
2018
Q3 		$891K Buy
+50,700
New +$851K ﹤0.01% 2649

Other funds holding KRYS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $824B AUM 37.44% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.8B AUM 33.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Renaissance Technologies's KRYS Position: Q3 2026 in Review

Renaissance Technologies increased its Krystal Biotech (KRYS) stake by 5.8% in Q3 2026, buying an estimated $1.19M and bringing the position to 63,120 shares worth $21M. The position accounts for 0.03% of the portfolio, ranked #683.

Renaissance Technologies first reported a position in KRYS in Q3 2018 and has held it in 16 quarters since. The position peaked at $22.2M in Q2 2026. 353 funds tracked by Wall St. Rank hold KRYS as of Q3 2026.

  • Renaissance Technologies held 63,120 shares of Krystal Biotech worth $21M as of Q3 2026.
  • Renaissance Technologies bought 3,440 Krystal Biotech shares in Q3 2026, an estimated $1.19M.
  • Krystal Biotech made up 0.03% of Renaissance Technologies's portfolio in Q3 2026, its #683 holding.
  • Renaissance Technologies first reported a position in Krystal Biotech in Q3 2018 and has held it in 16 quarters since.
  • Renaissance Technologies's Krystal Biotech position peaked at $22.2M in Q2 2026.
  • 353 funds tracked by Wall St. Rank held Krystal Biotech as of Q3 2026.

Based on Renaissance Technologies's 13F filing for Q3 2026, filed 12 Nov 2026.