Jane Street
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Jane Street’s PTC Therapeutics PTCT Stock Holding History

Jane Street’s Portfolio PTCT Stock Details PTCT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.85M Buy
35,000
+4,600
+15% +$332K ﹤0.01% 4589
2026
Q1 		$2.07M Sell
30,400
-1,500
-5% -$106K ﹤0.01% 5022
2025
Q4 		$2.42M Buy
31,900
+22,700
+247% +$1.65M ﹤0.01% 4438
2025
Q3 		$565K Buy
+9,200
New +$479K ﹤0.01% 7598
2025
Q2 		– Sell
-4,900
Closed -$250K – 10617
2025
Q1 		$250K Sell
4,900
-138,300
-97% -$6.9M ﹤0.01% 8108
2024
Q4 		$6.46M Buy
143,200
+136,100
+1,917% +$5.82M ﹤0.01% 2350
2024
Q3 		$263K Buy
+7,100
New +$238K ﹤0.01% 8237
2023
Q4 		– Sell
-401,800
Closed -$9M – 9681
2023
Q3 		$9M Buy
401,800
+388,600
+2,944% +$14.5M ﹤0.01% 1888
2023
Q2 		$537K Buy
13,200
+7,500
+132% +$367K ﹤0.01% 6210
2023
Q1 		$276K Sell
5,700
-11,700
-67% -$535K ﹤0.01% 7332
2022
Q4 		$664K Buy
+17,400
New +$723K ﹤0.01% 5661
2022
Q3 		– Sell
-10,600
Closed -$425K – 10289
2022
Q2 		$425K Buy
+10,600
New +$372K ﹤0.01% 7023
2021
Q3 		– Sell
-6,300
Closed -$266K – 10564
2021
Q2 		$266K Buy
+6,300
New +$270K ﹤0.01% 8361
2020
Q4 		– Sell
-8,500
Closed -$397K – 7984
2020
Q3 		$397K Buy
+8,500
New +$418K ﹤0.01% 5502
2017
Q4 		– Sell
-103,800
Closed -$2.08M – 5061
2017
Q3 		$2.08M Buy
+103,800
New +$2.03M 0.01% 1562
2017
Q1 		– Sell
-16,700
Closed -$182K – 4573
2016
Q4 		$182K Buy
+16,700
New +$175K ﹤0.01% 3763
2015
Q4 		– Sell
-74,600
Closed -$1.99M – 4359
2015
Q3 		$1.99M Buy
+74,600
New +$3.19M 0.01% 988

Other funds holding PTCT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Jane Street's PTCT Position: Q2 2026 in Review

Jane Street opened a new position in PTC Therapeutics (PTCT) in Q2 2026: 9,037 shares worth $737K. The stake represents ﹤0.01% of the portfolio and ranks #7181 among its holdings. This is a return to the name: Jane Street previously reported a position in PTCT as recently as Q4 2025.

Jane Street first reported a position in PTCT in Q2 2014 and has held it in 36 quarters since. The position peaked at $22.5M in Q4 2023. 382 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

  • Jane Street held 9,037 shares of PTC Therapeutics worth $737K as of Q2 2026.
  • PTC Therapeutics was a new Jane Street position in Q2 2026.
  • PTC Therapeutics made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7181 holding.
  • Jane Street first reported a position in PTC Therapeutics in Q2 2014 and has held it in 36 quarters since.
  • Jane Street's PTC Therapeutics position peaked at $22.5M in Q4 2023.
  • 382 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.