MAM
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Martingale Asset Management’s PTC Therapeutics PTCT Stock Holding History

Martingale Asset Management’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 		$3.63M Sell
44,475
-1,032
-2% -$74.5K 0.09% 244
2026
Q1 		$3.1M Buy
45,507
+25,392
+126% +$1.8M 0.08% 253
2025
Q4 		$1.53M Buy
20,115
+6,512
+48% +$473K 0.04% 381
2025
Q3 		$835K Buy
13,603
+2,700
+25% +$141K 0.02% 527
2025
Q2 		$533K Sell
10,903
-889
-8% -$42.2K 0.01% 608
2025
Q1 		$601K Sell
11,792
-3,246
-22% -$162K 0.02% 571
2024
Q4 		$679K Sell
15,038
-1,454
-9% -$62.2K 0.02% 553
2024
Q3 		$612K Sell
16,492
-3
-0% -$100 0.01% 587
2024
Q2 		$504K Sell
16,495
-98
-0.6% -$3.17K 0.01% 593
2024
Q1 		$483K Buy
16,593
+500
+3% +$14K 0.01% 625
2023
Q4 		$444K Sell
16,093
-3,524
-18% -$80.6K 0.01% 634
2023
Q3 		$440K Buy
19,617
+3
+0% +$112 0.01% 633
2023
Q2 		$798K Buy
19,614
+3
+0% +$147 0.02% 506
2023
Q1 		$950K Buy
19,611
+6,893
+54% +$315K 0.02% 454
2022
Q4 		$485K Buy
+12,718
New +$529K 0.01% 619
2021
Q4 		– Sell
-8,117
Closed -$303K – 878
2021
Q3 		$303K Buy
+8,117
New +$333K ﹤0.01% 749
2021
Q1 		– Sell
-4,217
Closed -$258K – 898
2020
Q4 		$258K Buy
+4,217
New +$249K ﹤0.01% 776

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

Martingale Asset Management's PTCT Position: Q2 2026 in Review

Martingale Asset Management reduced its PTC Therapeutics (PTCT) stake by 2.3% in Q2 2026, selling an estimated $74.5K and leaving 44,475 shares worth $3.63M. The position accounts for 0.09% of the portfolio, ranked #244.

Martingale Asset Management first reported a position in PTCT in Q4 2020 and has held it in 17 quarters since. 382 funds tracked by Wall St. Rank hold PTCT as of Q2 2026.

  • Martingale Asset Management held 44,475 shares of PTC Therapeutics worth $3.63M as of Q2 2026.
  • Martingale Asset Management sold 1,032 PTC Therapeutics shares in Q2 2026, an estimated $74.5K.
  • PTC Therapeutics made up 0.09% of Martingale Asset Management's portfolio in Q2 2026, its #244 holding.
  • Martingale Asset Management first reported a position in PTC Therapeutics in Q4 2020 and has held it in 17 quarters since.
  • 382 funds tracked by Wall St. Rank held PTC Therapeutics as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.