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

14.50 +0.6% mkt cap $9.81B quote delayed (FMP) · as of Aug 26 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
13Tracked holders
0Δ holders
143.08MShares held
$3.01BReported value
+2New positions
−2Exits
Strongly Rising Conviction score 50/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +22.8% · 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 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 · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Dodge & Cox 99.15M +44.9% $2.09B 1.2% ▲ Add 3 SEC ↗
2 State Street Global Advisors (passive) 23.31M $491.09M 0.0% n/c 1 SEC ↗
3 Geode Capital Management (passive) 11.23M +0.7% $236.23M 0.0% ▲ Add 3 SEC ↗
4 Geode Capital Management (passive) 11.23M +0.7% $236.23M 0.0% ▲ Add 3 SEC ↗
5 Norges Bank (passive) 6.76M -16.4% $142.51M 0.0% ▼ Trim 3 SEC ↗
6 Wellington Management 922.16K -9.8% $19.43M 0.0% ▼ Trim 3 SEC ↗
7 Wellington Management 922.16K -9.8% $19.43M 0.0% ▼ Trim 3 SEC ↗
8 T. Rowe Price 463.31K -13.7% $9.76M 0.0% ▼ Trim 3 SEC ↗
9 T. Rowe Price 463.31K -13.7% $9.76M 0.0% ▼ Trim 3 SEC ↗
10 Citadel Advisors 359.07K -77.8% $7.57M 0.0% ▼ Trim 3 SEC ↗
11 Citadel Advisors 359.07K -77.8% $7.57M 0.0% ▼ Trim 3 SEC ↗
12 Renaissance Technologies 325.50K New $6.86M 0.0% New 1 SEC ↗
13 D. E. Shaw & Co. 298.57K +864.7% $6.29M 0.0% ▲ Add 3 SEC ↗
14 D. E. Shaw & Co. 298.57K +864.7% $6.29M 0.0% ▲ Add 3 SEC ↗
15 AQR Capital Management 213.99K -2.5% $4.51M 0.0% ▼ Trim 3 SEC ↗
16 AQR Capital Management 213.99K -2.5% $4.51M 0.0% ▼ Trim 3 SEC ↗
17 AQR Capital Management 213.99K -2.5% $4.51M 0.0% ▼ Trim 3 SEC ↗
18 Gotham Asset Management 21.27K -42.7% $448,159 0.0% ▼ Trim 3 SEC ↗
19 Two Sigma Investments 16.30K -46.8% $343,483 0.0% ▼ Trim 2 SEC ↗
20 Marshall Wace 9.62K New $202,609 0.0% New 1 SEC ↗

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

New buyers

Renaissance Technologies $6.86M 0.0%
Marshall Wace $202,609 0.0%

Exited

Millennium Management $52.27M was 0.0%
Arrowstreet Capital $764,252 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: Q4 2024 · Methodology · Get this via the API