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Security record

ATI

ATI Inc. · Industrials · Manufacturing - Metal Fabrication

187.98 -2.0% mkt cap $25.65B quote delayed (FMP) · as of Oct 12 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
150Tracked holders
+8Δ holders
101.07MShares held
$19.89BReported value
+13New positions
−6Exits
Stable Conviction score 41/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +5.6% · share flow -3.3% · net new positions +4.7% — 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 150 +8 101.07M $19.89B +13 −6
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 ↗ ×19
2 Vanguard Capital Management Llc 6.16M +0.6% $1.21B 0.0% ▲ Add 2 SEC ↗
3 Capital World Investors ✦ 5.25M -8.1% $1.03B 0.1% ▼ Trim 9 SEC ↗
4 State Street Global Advisors ✦ (passive) 5.24M -2.7% $1.03B 0.0% ▼ Trim 7 SEC ↗
5 Capital Research Global Investors 5.09M -17.3% $1.00B 0.1% ▼ Trim 3 SEC ↗
6 Fidelity (FMR) ✦ 4.99M -4.9% $983.37M 0.0% ▼ Trim 5 SEC ↗ ×6
7 Capital International Investors 3.72M -36.8% $733.17M 0.2% ▼ Trim 3 SEC ↗
8 Invesco Ltd. 3.45M -10.5% $679.86M 0.1% ▼ Trim 3 SEC ↗ ×13
9 Geode Capital Management ✦ (passive) 2.78M -5.8% $547.58M 0.0% ▼ Trim 9 SEC ↗ ×2
10 Qube Research & Technologies Ltd 2.14M +149.7% $422.59M 0.5% ▲ Add 3 SEC ↗
11 Morgan Stanley ✦ 1.87M +11.8% $367.63M 0.0% ▲ Add 4 SEC ↗ ×17
12 Bank Of America Corp /De/ 1.77M +29.5% $348.28M 0.0% ▲ Add 3 SEC ↗ ×7
13 Norges Bank ✦ (passive) 1.74M New $342.93M 0.0% New 1 SEC ↗
14 Charles Schwab Investment… 1.48M -1.3% $292.35M 0.0% ▼ Trim 3 SEC ↗ ×2
15 AQR Capital Management ✦ 1.43M +17.2% $282.43M 0.1% ▲ Add 9 SEC ↗ ×9
16 Jane Street Group, Llc 1.41M -5.4% $278.09M 0.2% ▼ Trim 3 SEC ↗ ×2
17 Assenagon Asset Management S.A. 1.31M +125.0% $259.04M 0.2% ▲ Add 3 SEC ↗ ×2
18 Northern Trust Corp 1.29M +4.0% $253.98M 0.0% ▲ Add 3 SEC ↗ ×6
19 Point72 Asset Management ✦ 1.24M -35.8% $244.47M 0.4% ▼ Trim 9 SEC ↗
20 Dimensional Fund Advisors Lp 1.16M -15.1% $228.70M 0.0% ▼ Trim 3 SEC ↗ ×5
21 Viking Global Investors ✦ 1.15M -65.4% $227.43M 0.6% ▼ Trim 2 SEC ↗
22 MIRAE ASSET GLOBAL ETFS HOLDINGS… 1.12M +8.5% $220.94M 0.3% ▲ Add 3 SEC ↗ ×3
23 T. Rowe Price ✦ 1.02M +210.8% $201.40M 0.0% ▲ Add 9 SEC ↗ ×2
24 Bnp Paribas Financial Markets 922.90K +41.5% $181.90M 0.1% ▲ Add 3 SEC ↗
25 Millennium Management ✦ 875.26K +41.3% $172.51M 0.1% ▲ Add 9 SEC ↗
26 Fisher Asset Management ✦ 872.37K -5.6% $171.94M 0.1% ▼ Trim 9 SEC ↗
27 Ameriprise Financial Inc 858.20K -14.1% $169.15M 0.0% ▼ Trim 3 SEC ↗ ×4
28 Bank of New York Mellon Corp 857.41K -1.4% $169.00M 0.0% ▼ Trim 3 SEC ↗ ×16
29 Arrowstreet Capital ✦ 839.79K -30.2% $165.52M 0.1% ▼ Trim 3 SEC ↗
30 D. E. Shaw & Co. ✦ 815.59K -53.2% $160.75M 0.1% ▼ Trim 9 SEC ↗ ×2
31 American Century Companies Inc 765.81K -28.4% $150.94M 0.1% ▼ Trim 3 SEC ↗
32 Goldman Sachs Group ✦ 751.28K +67.8% $148.08M 0.0% ▲ Add 4 SEC ↗ ×4
33 Nuveen, LLC 737.10K +27.4% $145.28M 0.0% ▲ Add 3 SEC ↗ ×4
34 Marshall Wace ✦ 709.55K +32.3% $139.85M 0.1% ▲ Add 9 SEC ↗ ×3
35 Raymond James Financial Inc 667.72K +4.5% $131.61M 0.0% ▲ Add 3 SEC ↗ ×6
36 Two Sigma Investments ✦ 636.67K +3481.8% $125.49M 0.1% ▲ Add 3 SEC ↗
37 Loomis Sayles & Co L P 581.33K -11.0% $114.58M 0.1% ▼ Trim 3 SEC ↗ ×2
38 Balyasny Asset Management L.P. 514.09K -39.6% $101.33M 0.2% ▼ Trim 3 SEC ↗ ×2
39 Holocene Advisors, LP 497.60K -54.7% $98.08M 0.2% ▼ Trim 3 SEC ↗
40 Citadel Advisors ✦ 497.42K +64.0% $98.04M 0.1% ▲ Add 9 SEC ↗ ×2
41 Allspring Global Investments… 502.04K -3.5% $96.48M 0.1% ▼ Trim 3 SEC ↗ ×3
42 Wells Fargo & Company/Mn 483.68K +37.8% $95.33M 0.0% ▲ Add 3 SEC ↗ ×4
43 Federated Hermes, Inc. 474.18K -13.1% $93.46M 0.1% ▼ Trim 3 SEC ↗ ×3
44 JPMorgan Chase ✦ 465.59K +14.3% $93.29M 0.0% ▲ Add 4 SEC ↗ ×8
45 UBS Group AG 464.72K -67.2% $91.60M 0.0% ▼ Trim 3 SEC ↗ ×4
46 1832 Asset Management L.P. 459.48K +203.3% $90.56M 0.1% ▲ Add 3 SEC ↗
47 Neuberger Berman Group LLC 450.26K -9.0% $88.75M 0.1% ▼ Trim 3 SEC ↗ ×2
48 UBS AM, a distinct business unit of… 428.27K +20.7% $84.41M 0.0% ▲ Add 3 SEC ↗ ×10
49 Bank Of Nova Scotia 417.29K -10.7% $82.25M 0.1% ▼ Trim 3 SEC ↗
50 Envestnet Asset Management Inc 391.41K +81.4% $77.15M 0.0% ▲ Add 3 SEC ↗
51 Alliancebernstein L.P. 522.37K -9.2% $75.98M 0.0% ▼ Trim 3 SEC ↗
52 Rhumbline Advisers 376.59K +6.3% $74.23M 0.1% ▲ Add 3 SEC ↗
53 GAMCO Investors ✦ 358.00K -1.0% $70.56M 0.6% ▼ Trim 9 SEC ↗
54 Canada Pension Plan Investment Board 321.53K +91.7% $63.37M 0.0% ▲ Add 3 SEC ↗
55 Principal Financial Group Inc 308.37K +1.7% $60.78M 0.0% ▲ Add 3 SEC ↗
56 Allianz Asset Management GmbH 282.32K +5.4% $55.64M 0.1% ▲ Add 3 SEC ↗ ×2
57 Clearbridge Investments, LLC 280.39K New $55.26M 0.0% New 1 SEC ↗
58 Swiss National Bank 276.40K +2.8% $54.48M 0.0% ▲ Add 3 SEC ↗
59 Gotham Asset Management ✦ 269.57K +3.5% $53.13M 0.1% ▲ Add 9 SEC ↗
60 California Public Employees… 258.90K +2.0% $51.03M 0.0% ▲ Add 3 SEC ↗
61 Royal Bank Of Canada 240.44K +40.6% $47.39M 0.0% ▲ Add 3 SEC ↗ ×8
62 Blair William & Co/Il 231.95K -2.1% $45.72M 0.1% ▼ Trim 3 SEC ↗
63 Schroder Investment Management Group 207.87K -48.4% $41.10M 0.0% ▼ Trim 2 SEC ↗ ×3
64 LPL Financial LLC 205.78K +24.3% $40.56M 0.0% ▲ Add 3 SEC ↗
65 Legal & General Group Plc 199.42K -5.9% $39.31M 0.0% ▼ Trim 3 SEC ↗ ×3
66 Citigroup Inc 192.17K +154.1% $37.88M 0.0% ▲ Add 3 SEC ↗ ×3
67 Prudential Financial Inc 181.28K -77.6% $35.73M 0.0% ▼ Trim 3 SEC ↗ ×2
68 Healthcare Of Ontario Pension Plan… 178.88K +105.5% $35.26M 0.1% ▲ Add 3 SEC ↗
69 Susquehanna International Group, Llp 178.27K +404.3% $35.14M 0.0% ▲ Add 3 SEC ↗
70 State Of Wisconsin Investment Board 174.59K -13.6% $34.41M 0.1% ▼ Trim 3 SEC ↗
71 Deutsche Bank Ag\ 162.59K +50.7% $32.05M 0.0% ▲ Add 3 SEC ↗ ×5
72 Tudor Investment Corp Et Al 148.64K +67.1% $29.30M 0.1% ▲ Add 2 SEC ↗
73 First Trust Advisors Lp 148.22K +59.1% $29.21M 0.0% ▲ Add 3 SEC ↗
74 Barclays Plc 139.78K +40.7% $27.55M 0.0% ▲ Add 3 SEC ↗ ×3
75 Hrt Financial Lp 131.01K -48.2% $25.82M 0.0% ▼ Trim 3 SEC ↗
76 Bridgewater Associates ✦ 114.94K +423.6% $22.65M 0.1% ▲ Add 2 SEC ↗
77 State Board Of Administration Of… 105.72K +7.3% $20.84M 0.0% ▲ Add 3 SEC ↗
78 Stifel Financial Corp 101.14K +9.2% $19.93M 0.0% ▲ Add 3 SEC ↗ ×4
79 Sei Investments Co 95.96K +6.6% $18.91M 0.0% ▲ Add 3 SEC ↗ ×2
80 Tidal Investments LLC 91.44K -11.8% $18.02M 0.0% ▼ Trim 3 SEC ↗
81 Td Asset Management Inc 85.79K +88.3% $16.91M 0.0% ▲ Add 3 SEC ↗
82 Mariner, LLC 84.82K +17.0% $16.72M 0.0% ▲ Add 3 SEC ↗ ×2
83 Credit Agricole S A 83.02K +25.8% $16.36M 0.0% ▲ Add 3 SEC ↗ ×2
84 Wellington Management ✦ 81.40K +7.5% $16.04M 0.0% ▲ Add 9 SEC ↗ ×2
85 Northwestern Mutual Wealth… 78.63K -0.9% $15.50M 0.0% ▼ Trim 3 SEC ↗
86 Soros Fund Management ✦ 73.34K +38.8% $14.46M 0.2% ▲ Add 2 SEC ↗
87 New York State Common Retirement… 69.44K +9.5% $13.69M 0.0% ▲ Add 3 SEC ↗
88 Corient Private Wealth LP 67.99K +485.7% $13.40M 0.0% ▲ Add 3 SEC ↗
89 Hsbc Holdings Plc 65.08K +126.1% $12.82M 0.0% ▲ Add 3 SEC ↗ ×3
90 Manufacturers Life Insurance… 64.29K -7.6% $12.67M 0.0% ▼ Trim 3 SEC ↗
91 Russell Investments Group, Ltd. 60.57K -44.6% $11.94M 0.0% ▼ Trim 3 SEC ↗ ×8
92 Jones Financial Companies Lllp 59.71K +20.1% $11.79M 0.0% ▲ Add 3 SEC ↗ ×2
93 Man Group plc 59.56K 0.0% $11.74M 0.0% ▲ Add 3 SEC ↗ ×3
94 Zurcher Kantonalbank (Zurich… 57.36K +9.8% $11.31M 0.0% ▲ Add 3 SEC ↗
95 Nordea Investment Management Ab 51.20K +1.5% $10.16M 0.0% ▲ Add 3 SEC ↗ ×2
96 Voya Investment Management Llc 50.89K +7.7% $10.03M 0.0% ▲ Add 3 SEC ↗ ×2
97 Victory Capital Management Inc 50.75K +67.8% $10.00M 0.0% ▲ Add 3 SEC ↗
98 Cerity Partners LLC 50.71K +21.8% $9.99M 0.0% ▲ Add 3 SEC ↗ ×3
99 Quantinno Capital Management LP 47.59K +17.6% $9.38M 0.0% ▲ Add 3 SEC ↗
100 Creative Planning 47.40K +19.6% $9.34M 0.0% ▲ Add 3 SEC ↗ ×2

“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%
Clearbridge Investments, LLC $55.26M 0.0%

Exited

Amundi $37.99M was 0.0%
Nomura Asset Management… $17.04M was 0.0%
HighTower Advisors, LLC $4.95M 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)

Sep 21 Harris Timothy J

Officer · 9.00K sh · $1.73M

Sep 14 Harris Timothy J

Officer · 16.50K sh · $3.19M

Sep 08 Harris Timothy J

Officer · 16.50K sh · $3.42M

Sep 02 Morehouse David J

Director · 2.48K sh · $501,001

Aug 31 Harris Timothy J

Officer · 16.50K sh · $3.47M

Aug 24 Harris Timothy J

Officer · 16.50K sh · $3.41M

Aug 17 Fields Kimberly A

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

Aug 17 Fields Kimberly A

Officer, Director · 4.60K sh · $1.07M

Aug 17 Fields Kimberly A

Officer, Director · 9.12K sh · $2.11M

Aug 17 Fields Kimberly A

Officer, Director · 8.13K sh · $1.88M

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