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Security record · archived quarter

ARTV

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
5Tracked holders
-1Δ holders
1.79MShares held
$5.36MReported value
+0New positions
−1Exits
Strongly Falling 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -16.7% · share flow +3.7% · net new positions -20.0% — formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 33 +9 8.51M $82.54M +12 −3
Q1 2026 24 +1 1.82M $11.72M +3 −2
Q4 2025 23 0 2.10M $8.99M +1 −1
Q3 2025 13 0 2.08M $5.98M +1 −1
Q2 2025 10 +2 1.73M $2.61M +3 −1
Q1 2025 5 -1 1.79M $5.36M — −1
Q4 2024 6 0 1.72M $17.32M — —
Q3 2024 5 +5 1.55M $23.81M +5 —
Holder count
Who holds it · Q1 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 Capital World Investors ✦ 866.62K -5.3% $2.60M 0.0% ▼ Trim 3 SEC ↗
2 Geode Capital Management ✦ (passive) 410.46K +30.0% $1.23M 0.0% ▲ Add 3 SEC ↗ ×2
3 Wellington Management ✦ 194.11K 0.0% $582,324 0.0% Held 3 SEC ↗
4 State Street Global Advisors ✦ (passive) 171.78K +4.2% $515,349 0.0% ▲ Add 2 SEC ↗
5 Citadel Advisors ✦ 145.09K +40.0% $435,267 0.0% ▲ Add 3 SEC ↗

“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

Norges Bank $302,400 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 39 holders, 16.83M shares, $108.42M 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 06 Aslan Fred

Officer, Director · 23.46K sh · $168,880

Oct 05 Horan Christopher

Officer · 10.34K sh · $70,697

Oct 05 Bush Jennifer

Officer · 8.37K sh · $57,227

Oct 05 Banerjee Subhashis

Officer · 1.10K sh · $7,514

Oct 05 Aslan Fred

Officer, Director · 61.70K sh · $421,828

Sep 08 Aslan Fred

Officer, Director · 23.43K sh · $255,746

Sep 03 Aslan Fred

Officer, Director · 61.89K sh · $690,392

Sep 03 Horan Christopher

Officer · 10.37K sh · $115,638

Sep 03 Bush Jennifer

Officer · 8.39K sh · $93,606

Sep 03 Banerjee Subhashis

Officer · 1.10K sh · $12,271

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

Beneficial ownership
Aug 14 SC 13G/A — Venrock Healthcare Capital Partners…

View original SEC filing ↗

Aug 10 SC 13G/A — 5AM Ventures VI, L.P.

View original SEC filing ↗

Jul 23 SC 13D/A — RA CAPITAL MANAGEMENT, L.P.

37.9% of class · View original SEC filing ↗

Jun 15 SC 13D/A — RA CAPITAL MANAGEMENT, L.P.

36.6% of class · View original SEC filing ↗

May 28 SC 13D/A — GC Corp.

12.3% of class · View original SEC filing ↗

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: Q1 2025 · Methodology · Get this via the API