Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record · archived quarter

AVTR

Avantor, Inc. · Healthcare · Medical - Instruments & Supplies

14.51 +0.7% mkt cap $9.81B quote delayed (FMP) · as of Aug 26 20:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
12Tracked holders
-2Δ holders
93.20MShares held
$2.41BReported value
+1New positions
−3Exits
Strongly Falling Conviction score 29/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -14.3% · share flow +1.5% · net new positions -16.7%formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 114 -6 446.16M $4.42B +7 −12
Q1 2026 122 +8 424.30M $3.33B +12 −5
Q4 2025 115 -2 476.25M $5.46B +2 −3
Q3 2025 19 -2 316.38M $3.95B −3
Q2 2025 19 +1 314.56M $4.23B +2 −1
Q1 2025 15 +2 151.43M $2.45B +3 −1
Q4 2024 13 0 143.08M $3.01B +2 −2
Q3 2024 12 -2 93.20M $2.41B +1 −3
Q2 2024 14 91.78M $1.95B
Holder count
Who holds it · Q3 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Dodge & Cox 68.42M +4.7% $1.77B 1.0% ▲ Add 2 SEC ↗
2 Geode Capital Management (passive) 11.15M +7.1% $287.79M 0.0% ▲ Add 2 SEC ↗
3 Geode Capital Management (passive) 11.15M +7.1% $287.79M 0.0% ▲ Add 2 SEC ↗
4 Norges Bank (passive) 8.09M -0.3% $209.23M 0.0% ▼ Trim 2 SEC ↗
5 Millennium Management 2.02M -21.1% $52.27M 0.0% ▼ Trim 2 SEC ↗
6 Citadel Advisors 1.62M -18.3% $41.84M 0.0% ▼ Trim 2 SEC ↗
7 Citadel Advisors 1.62M -18.3% $41.84M 0.0% ▼ Trim 2 SEC ↗
8 Wellington Management 1.02M +19.3% $26.44M 0.0% ▲ Add 2 SEC ↗
9 Wellington Management 1.02M +19.3% $26.44M 0.0% ▲ Add 2 SEC ↗
10 T. Rowe Price 536.73K -2.3% $13.89M 0.0% ▼ Trim 2 SEC ↗
11 T. Rowe Price 536.73K -2.3% $13.89M 0.0% ▼ Trim 2 SEC ↗
12 AQR Capital Management 219.59K -19.6% $5.68M 0.0% ▼ Trim 2 SEC ↗
13 AQR Capital Management 219.59K -19.6% $5.68M 0.0% ▼ Trim 2 SEC ↗
14 Gotham Asset Management 37.13K +168.2% $960,579 0.0% ▲ Add 2 SEC ↗
15 D. E. Shaw & Co. 30.95K -86.7% $800,677 0.0% ▼ Trim 2 SEC ↗
16 Two Sigma Investments 30.62K New $792,165 0.0% New 1 SEC ↗
17 Arrowstreet Capital 29.54K -49.7% $764,252 0.0% ▼ Trim 2 SEC ↗

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

New buyers

Two Sigma Investments $792,165 0.0%

Exited

Adage Capital Partners $21.20M was 0.0%
Soros Fund Management $6.36M was 0.2%
Marshall Wace $1.41M was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 428 holders, 673.97M shares, $5.11B 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.

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: Q3 2024 · Methodology · Get this via the API