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

ATI

ATI Inc. · Industrials · Manufacturing - Metal Fabrication

215.23 +2.6% mkt cap $29.37B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
152Tracked holders
+8Δ holders
101.48MShares held
$19.96BReported value
+13New positions
−4Exits
Rising Conviction score 42/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +5.6% · share flow -3.2% · net new positions +5.9%formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 152 +8 101.48M $19.96B +13 −4
Q1 2026 146 0 103.32M $15.00B +8 −9
Q4 2025 145 0 109.79M $12.60B +3 −2
Q3 2025 24 0 59.58M $4.85B +2 −3
Q2 2025 22 -1 57.72M $4.98B −1
Q1 2025 20 0 26.30M $1.37B
Q4 2024 20 +1 23.98M $1.32B +1
Q3 2024 18 0 15.90M $1.06B
Q2 2024 18 15.27M $846.69M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
2 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
3 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
4 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
5 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
6 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
7 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
8 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
9 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
10 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
11 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
12 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
13 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
14 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
15 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
16 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
17 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
18 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
19 BlackRock (passive) 18.71M +13.8% $3.69B 0.1% ▲ Add 5 SEC ↗
20 Vanguard Capital Management Llc 6.16M +0.6% $1.21B 0.0% ▲ Add 2 SEC ↗
21 Capital World Investors 5.25M -8.1% $1.03B 0.1% ▼ Trim 9 SEC ↗
22 State Street Global Advisors (passive) 5.24M -2.7% $1.03B 0.0% ▼ Trim 7 SEC ↗
23 Capital Research Global Investors 5.09M -17.3% $1.00B 0.1% ▼ Trim 3 SEC ↗
24 Fidelity (FMR) 4.99M -4.9% $983.37M 0.0% ▼ Trim 5 SEC ↗
25 Fidelity (FMR) 4.99M -4.9% $983.37M 0.0% ▼ Trim 5 SEC ↗
26 Fidelity (FMR) 4.99M -4.9% $983.37M 0.0% ▼ Trim 5 SEC ↗
27 Fidelity (FMR) 4.99M -4.9% $983.37M 0.0% ▼ Trim 5 SEC ↗
28 Fidelity (FMR) 4.99M -4.9% $983.37M 0.0% ▼ Trim 5 SEC ↗
29 Fidelity (FMR) 4.99M -4.9% $983.37M 0.0% ▼ Trim 5 SEC ↗
30 Capital International Investors 3.72M -36.8% $733.17M 0.2% ▼ Trim 3 SEC ↗
31 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
32 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
33 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
34 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
35 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
36 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
37 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
38 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
39 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
40 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
41 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
42 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
43 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗
44 Geode Capital Management (passive) 2.78M -5.8% $547.58M 0.0% ▼ Trim 9 SEC ↗
45 Geode Capital Management (passive) 2.78M -5.8% $547.58M 0.0% ▼ Trim 9 SEC ↗
46 Qube Research & Technologies Ltd 2.14M +149.7% $422.59M 0.5% ▲ Add 3 SEC ↗
47 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
48 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
49 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
50 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
51 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
52 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
53 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
54 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
55 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
56 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
57 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
58 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
59 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
60 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
61 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
62 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
63 Morgan Stanley 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗
64 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗
65 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗
66 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗
67 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗
68 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗
69 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗
70 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗
71 Norges Bank (passive) 1.74M New $342.93M 0.0% New 1 SEC ↗
72 Charles Schwab Investment… 1.48M -1.3% $292.35M 0.0% ▼ Trim 3 SEC ↗
73 Charles Schwab Investment… 1.48M -1.3% $292.35M 0.0% ▼ Trim 3 SEC ↗
74 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
75 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
76 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
77 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
78 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
79 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
80 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
81 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
82 AQR Capital Management 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗
83 Jane Street Group, Llc 1.41M -5.4% $278.09M 0.2% ▼ Trim 3 SEC ↗
84 Jane Street Group, Llc 1.41M -5.4% $278.09M 0.2% ▼ Trim 3 SEC ↗
85 Assenagon Asset Management S.A. 1.31M +125.0% $259.04M 0.2% ▲ Add 3 SEC ↗
86 Assenagon Asset Management S.A. 1.31M +125.0% $259.04M 0.2% ▲ Add 3 SEC ↗
87 Northern Trust Corp 1.29M +4.0% $253.98M 0.0% ▲ Add 3 SEC ↗
88 Northern Trust Corp 1.29M +4.0% $253.98M 0.0% ▲ Add 3 SEC ↗
89 Northern Trust Corp 1.29M +4.0% $253.98M 0.0% ▲ Add 3 SEC ↗
90 Northern Trust Corp 1.29M +4.0% $253.98M 0.0% ▲ Add 3 SEC ↗
91 Northern Trust Corp 1.29M +4.0% $253.98M 0.0% ▲ Add 3 SEC ↗
92 Northern Trust Corp 1.29M +4.0% $253.98M 0.0% ▲ Add 3 SEC ↗
93 Point72 Asset Management 1.24M -35.8% $244.47M 0.4% ▼ Trim 9 SEC ↗
94 Dimensional Fund Advisors Lp 1.16M -15.1% $228.70M 0.0% ▼ Trim 3 SEC ↗
95 Dimensional Fund Advisors Lp 1.16M -15.1% $228.70M 0.0% ▼ Trim 3 SEC ↗
96 Dimensional Fund Advisors Lp 1.16M -15.1% $228.70M 0.0% ▼ Trim 3 SEC ↗
97 Dimensional Fund Advisors Lp 1.16M -15.1% $228.70M 0.0% ▼ Trim 3 SEC ↗
98 Dimensional Fund Advisors Lp 1.16M -15.1% $228.70M 0.0% ▼ Trim 3 SEC ↗
99 Viking Global Investors 1.15M -65.4% $227.43M 0.6% ▼ Trim 2 SEC ↗
100 MIRAE ASSET GLOBAL ETFS HOLDINGS… 1.12M +8.5% $220.94M 0.3% ▲ Add 3 SEC ↗

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

New buyers

Norges Bank $342.93M 0.0%

Exited

Nomura Asset Management… $17.04M was 0.0%
Adage Capital Partners $1.52M was 0.0%
Peak6 Llc $1.34M was 0.0%
Optiver Holding B.V. $178,334 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 669 holders, 126.99M shares, $18.05B 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)

Aug 17 Fields Kimberly A

Officer, Director · 1.00K sh · $228,320

Aug 17 Fields Kimberly A

Officer, Director · 2.00K sh · $459,120

Aug 17 Fields Kimberly A

Officer, Director · 8.13K sh · $1.88M

Aug 17 Fields Kimberly A

Officer, Director · 9.12K sh · $2.11M

Aug 17 Fields Kimberly A

Officer, Director · 4.60K sh · $1.07M

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: Q2 2026 · Methodology · Get this via the API