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Security record · archived quarter

PTCT

PTC Therapeutics, Inc. · Healthcare · Biotechnology

59.89 -4.8% mkt cap $5.00B quote delayed (FMP) · as of Oct 13 21:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
12Tracked holders
0Δ holders
14.84MShares held
$670.12MReported value
+0New positions
−0Exits
Falling Conviction score 38/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow -11.2% · net new positions 0.0% — formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 113 +8 59.00M $4.80B +13 −7
Q1 2026 110 -8 65.31M $4.45B +9 −18
Q4 2025 117 0 67.93M $5.16B +1 —
Q3 2025 22 +2 38.04M $2.33B +2 —
Q2 2025 17 0 34.63M $1.69B +1 −1
Q1 2025 14 +2 16.93M $862.87M +2 —
Q4 2024 12 0 14.84M $670.12M — —
Q3 2024 11 -2 14.00M $519.42M — −2
Q2 2024 13 — 14.28M $436.54M — —
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Wellington Management ✦ 4.79M -39.4% $216.09M 0.0% ▼ Trim 3 SEC ↗ ×7
2 State Street Global Advisors ✦ (passive) 2.71M — $122.24M 0.0% n/c 1 SEC ↗
3 Geode Capital Management ✦ (passive) 1.80M -0.1% $81.14M 0.0% ▼ Trim 3 SEC ↗ ×2
4 D. E. Shaw & Co. ✦ 1.54M +8.7% $69.62M 0.1% ▲ Add 3 SEC ↗ ×3
5 Point72 Asset Management ✦ 1.44M +150.6% $65.15M 0.2% ▲ Add 3 SEC ↗
6 Renaissance Technologies ✦ 653.10K +21.4% $29.48M 0.0% ▲ Add 3 SEC ↗
7 T. Rowe Price ✦ 509.20K -9.0% $22.99M 0.0% ▼ Trim 3 SEC ↗ ×2
8 Citadel Advisors ✦ 458.01K +91.5% $20.67M 0.0% ▲ Add 3 SEC ↗ ×2
9 Millennium Management ✦ 309.42K +41.0% $13.97M 0.0% ▲ Add 3 SEC ↗
10 Adage Capital Partners ✦ 306.76K +22.7% $13.85M 0.0% ▲ Add 3 SEC ↗
11 Two Sigma Investments ✦ 173.35K -45.4% $7.83M 0.0% ▼ Trim 3 SEC ↗
12 AQR Capital Management ✦ 157.35K -17.0% $7.10M 0.0% ▼ Trim 3 SEC ↗ ×3

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 348 holders, 95.15M shares, $6.33B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Oct 07 SCHMERTZLER MICHAEL

Director · 53 sh · $3,389

Oct 07 SCHMERTZLER MICHAEL

Director · 2.45K sh · $155,091

Oct 06 Boulding Mark Elliott

Officer · 435 sh · $27,910

Oct 05 Boulding Mark Elliott

Officer · 1.64K sh · $104,881

Sep 17 SCHMERTZLER MICHAEL

Director · 376 sh · $25,737

Sep 17 SCHMERTZLER MICHAEL

Director · 9.62K sh · $652,796

Sep 16 SCHMERTZLER MICHAEL

Director · 2.99K sh · $199,341

Sep 16 SCHMERTZLER MICHAEL

Director · 7.01K sh · $471,854

Sep 10 SCHMERTZLER MICHAEL

Director · 10.00K sh · $673,400

Sep 09 SCHMERTZLER MICHAEL

Director · 9.43K sh · $639,124

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API