ATMUS FILTRATION TECHNOLOGIE (ATMU) Institutional Ownership Changes & 13F Activity
ATMUS FILTRATION TECHNOLOGIE (ATMU). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., D. E. Shaw & Co., Inc., Jane Street Group, Llc, Frontier Capital Management Co Llc, and Bank Of America Corp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +9,034 | +1.2% | 767,841 | $39.15M | Q2 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Buy | +1,009 | +252.3% | 1,409 | $71.85K | Q2 2026 | Sep 04, 2026 |
| Anchor Capital Advisors Llc | Sell | -109 | -0.6% | 17,916 | $913.54K | Q2 2026 | Sep 03, 2026 |
| Citadel Advisors Llc | Sell | -143,017 | -62.1% | 87,448 | $4.46M | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Sell | -2,766 | -2.8% | 94,700 | $4.83M | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Sell | -900 | -18.6% | 3,943 | $201.08K | Q2 2026 | Aug 19, 2026 |
| Livforsakringsbolaget Skandia, Omsesidigt | Sell | -41,900 | -40.5% | 61,600 | $3.14M | Q2 2026 | Aug 18, 2026 |
| Public Employees Retirement System Of Ohio | Buy | +11,794 | +24.5% | 59,984 | $3.06M | Q2 2026 | Aug 17, 2026 |
| United Capital Financial Advisors, Llc | Sell | -60 | -0.3% | 20,342 | $1.04M | Q2 2026 | Aug 17, 2026 |
| Invesco Ltd. | Buy | +4,457,550 | — | 4,457,550 | $227.29M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -1,138,723 | -70.3% | 482,029 | $24.58M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Sell | -416,276 | -97.6% | 10,346 | $527.54K | Q2 2026 | Aug 14, 2026 |
| Frontier Capital Management Co Llc | Buy | +415,709 | +56.0% | 1,157,930 | $59.04M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -408,872 | -45.8% | 484,705 | $24.72M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +401,126 | — | 401,126 | $20.45M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -387,165 | -11.8% | 2,903,771 | $148.06M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -305,547 | -90.1% | 33,536 | $1.71M | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -294,821 | -95.5% | 13,904 | $708.97K | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Buy | +251,535 | +70.7% | 607,471 | $30.97M | Q2 2026 | Aug 14, 2026 |
| Kennedy Capital Management Llc | Sell | -237,716 | -86.4% | 37,515 | $1.91M | Q2 2026 | Aug 14, 2026 |
| Royce & Associates Lp | Buy | +217,512 | +28.0% | 995,247 | $50.75M | Q2 2026 | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Buy | +203,942 | +12.9% | 1,784,618 | $91.00M | Q2 2026 | Aug 14, 2026 |
| Westwood Holdings Group Inc | Buy | +157,979 | +12.7% | 1,397,165 | $71.24M | Q2 2026 | Aug 14, 2026 |
| Port Capital Llc | Buy | +125,613 | +13.8% | 1,034,293 | $52.74M | Q2 2026 | Aug 14, 2026 |
| Legal & General Group Plc | Buy | +115,644 | +163.6% | 186,323 | $9.50M | Q2 2026 | Aug 14, 2026 |
| Nomura Asset Management International Inc. | Buy | +111,784 | +39.3% | 395,982 | $20.19M | Q2 2026 | Aug 14, 2026 |
| Mangrove Partners Im, Llc | Sell | -103,991 | -7.9% | 1,211,236 | $61.76M | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Sell | -98,434 | -2.2% | 4,388,256 | $223.76M | Q2 2026 | Aug 14, 2026 |
| Medina Value Partners, Llc | Buy | +92,547 | +40.9% | 318,986 | $16.27M | Q2 2026 | Aug 14, 2026 |
| Sei Investments Co | Sell | -83,816 | -51.1% | 80,334 | $4.10M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about ATMU activity
Which institutional owners are buying ATMU?
Institutional owners buying ATMU include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ATMU activity?
"Buy" means an investor increased their reported position in ATMU compared to the prior reporting period. This reflects growing exposure to ATMUS FILTRATION TECHNOLOGIE (ATMU) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ATMU increasing?
Institutional interest in ATMU can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related ATMU Institutional Insights
- ATMU Overview
- ATMU 13F Institutional Holders
- ATMU Top Institutional Shareholders
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- ATMU Insider Trading & SEC Form 4 Activity
- ATMU Articles
- Top Institutional Investor Stock Rankings