Armstrong World Industries Inc: which funds bought and sold
Institutions that bought and sold Armstrong World Industries shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 228 institutions that filed 13F reports for both quarters added to or opened positions in Armstrong World Industries, and 241 cut or closed them. Together they sold a net 364K shares, −0.8% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 149K shares (+1.0%); index fund managers were net sellers of 7,683 shares (−0.1%). 55 opened a new position and 55 sold out entirely.
Bought, Q2 2026 228 institutions, 55 of them new holders Sold, Q2 2026 241 institutions, 55 of them sold out
Net change, all compared −364K shares (−0.8%)
Net change, active managers +149K shares (+1.0%), 36 bought, 37 sold
Buyers versus sellers
228 bought 50 241 sold
Active managers and hedge funds 36 bought · 37 sold · +149K
Index fund managers 6 bought · 4 sold · −7,683
Other institutions 186 bought · 200 sold · −505K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Egerton Capital (UK) LLP Hedge fund | +477K +106.5% | 925K | $148M |
| River Road Asset Management, LLC Active manager | +416K +149.1% | 694K | $111M |
| Balyasny Asset Management L.P. Hedge fund | +329K New position | 329K | $52.8M |
| Qube Research & Technologies Ltd Hedge fund | +270K +159.9% | 439K | $70.5M |
| Citadel Advisors LLC Hedge fund | +235K +29.6% | 1.0M | $165M |
| Assenagon Asset Management S.A. | +201K +276.7% | 273K | $43.8M |
| Point72 Asset Management, L.P. Hedge fund | +165K +80.3% | 371K | $59.4M |
| HRT Financial LP | +111K +246.4% | 156K | $25M |
| Scopus Asset Management, L.P. Hedge fund | +110K +91.7% | 230K | $36.9M |
| Deutsche Bank Ag\ | +94K +75.1% | 220K | $35.3M |
| Gotham Asset Management, LLC Hedge fund | +72K +50.2% | 214K | $34.4M |
| Royce & Associates LP Active manager | +70K New position | 70K | $11.2M |
| Bank Of Nova Scotia | +69K +137.0% | 120K | $19.3M |
| WCM Investment Management, LLC Active manager | +69K New position | 69K | $11M |
| Summittx Capital, L.P. | +67K New position | 67K | $10.8M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +66K +17.0% | 453K | $72.7M |
| Capital Fund Management S.A. Hedge fund | +61K New position | 61K | $9.8M |
| D. E. Shaw & Co., Inc. Hedge fund | +61K New position | 61K | $9.7M |
| Fuller & Thaler Asset Management, Inc. | +61K +5.8% | 1.1M | $177M |
| Millennium Management LLC Hedge fund | +53K +15.1% | 401K | $64.3M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Egerton Capital (UK) LLP Hedge fund | +477K +106.5% | 925K | $148M |
| River Road Asset Management, LLC Active manager | +416K +149.1% | 694K | $111M |
| Balyasny Asset Management L.P. Hedge fund | +329K New position | 329K | $52.8M |
| Qube Research & Technologies Ltd Hedge fund | +270K +159.9% | 439K | $70.5M |
| Citadel Advisors LLC Hedge fund | +235K +29.6% | 1.0M | $165M |
| Point72 Asset Management, L.P. Hedge fund | +165K +80.3% | 371K | $59.4M |
| Scopus Asset Management, L.P. Hedge fund | +110K +91.7% | 230K | $36.9M |
| Gotham Asset Management, LLC Hedge fund | +72K +50.2% | 214K | $34.4M |
| Royce & Associates LP Active manager | +70K New position | 70K | $11.2M |
| WCM Investment Management, LLC Active manager | +69K New position | 69K | $11M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Van Berkom & Associates Inc. | −428K −47.9% | 465K | $74.6M |
| AQR Capital Management LLC Hedge fund | −408K −36.4% | 712K | $114M |
| Alyeska Investment Group, L.P. Hedge fund | −246K −33.2% | 495K | $79.4M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −242K −42.1% | 333K | $53.4M |
| Two Sigma Investments, LP Hedge fund | −201K −25.6% | 583K | $93.6M |
| Woodline Partners LP Hedge fund | −167K Sold out | 0 | — |
| Allspring Global Investments Holdings, LLC | −159K −80.2% | 39K | $6.2M |
| Neuberger Berman Group LLC Active manager | −153K −16.7% | 763K | $122M |
| Quantinno Capital Management LP | −128K −66.3% | 65K | $10.5M |
| Bank Of Montreal | −121K −9.8% | 1.1M | $177M |
| SG Americas Securities, LLC | −115K −88.4% | 15K | $2.4M |
| Schroder Investment Management Group Active manager | −105K −46.6% | 120K | $19.1M |
| Squarepoint Ops LLC Hedge fund | −92K −65.7% | 48K | $7.7M |
| Kayne Anderson Rudnick Investment Management LLC Active manager | −90K −9.2% | 894K | $143M |
| Verition Fund Management LLC Hedge fund | −83K −80.8% | 20K | $3.2M |
| Junto Capital Management LP Hedge fund | −80K −31.8% | 171K | $27.4M |
| UBS Group AG | −80K −60.4% | 52K | $8.4M |
| London Co Of Virginia Active manager | −79K −4.6% | 1.6M | $264M |
| Marshall Wace, LLP Hedge fund | −72K −90.7% | 7,364 | $1.2M |
| Amundi | −67K −41.3% | 95K | $15.2M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| AQR Capital Management LLC Hedge fund | −408K −36.4% | 712K | $114M |
| Alyeska Investment Group, L.P. Hedge fund | −246K −33.2% | 495K | $79.4M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −242K −42.1% | 333K | $53.4M |
| Two Sigma Investments, LP Hedge fund | −201K −25.6% | 583K | $93.6M |
| Woodline Partners LP Hedge fund | −167K Sold out | 0 | — |
| Neuberger Berman Group LLC Active manager | −153K −16.7% | 763K | $122M |
| Schroder Investment Management Group Active manager | −105K −46.6% | 120K | $19.1M |
| Squarepoint Ops LLC Hedge fund | −92K −65.7% | 48K | $7.7M |
| Kayne Anderson Rudnick Investment Management LLC Active manager | −90K −9.2% | 894K | $143M |
| Verition Fund Management LLC Hedge fund | −83K −80.8% | 20K | $3.2M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Balyasny Asset Management L.P.Hedge fund | 329K | $52.8M |
| Royce & Associates LPActive manager | 70K | $11.2M |
| WCM Investment Management, LLCActive manager | 69K | $11M |
| Summittx Capital, L.P. | 67K | $10.8M |
| Capital Fund Management S.A.Hedge fund | 61K | $9.8M |
| D. E. Shaw & Co., Inc.Hedge fund | 61K | $9.7M |
| Ossiam | 35K | $5.7M |
| Arrowmark Colorado Holdings LLC | 27K | $4.4M |
| Roubaix Capital, LLC | 23K | $3.7M |
| AGF Management Ltd | 19K | $3.1M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Woodline Partners LPHedge fund | 167K | $27.6M |
| Harvest Investment Services, LLC | 20K | $3.3M |
| Winton Group LtdHedge fund | 8,692 | $1.4M |
| Voleon Capital Management LPHedge fund | 5,748 | $947,270 |
| Avior Wealth Management, LLC | 5,720 | $942,656 |
| Polymer Capital Management (US) LLC | 4,341 | $715,397 |
| Bridgefront Capital, LLC | 4,194 | $691,171 |
| Susquehanna Portfolio Strategies, LLC | 3,877 | $638,930 |
| Inscription Capital, LLC | 3,774 | $621,955 |
| Jefferies Financial Group Inc. | 3,164 | $521,428 |
Who holds the shares
- Institutions reporting
- 470
- Ten largest holders
- 41.1% of 13F-reported shares
- Index fund managers
- 30.3% of 13F-reported shares
- Active managers and hedge funds
- 35.6% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 36 | 37 | 10 | 5 | +149K | +1.0% |
| Index fund managers | 6 | 4 | 0 | 0 | −7,683 | −0.1% |
| Other institutions | 186 | 200 | 45 | 50 | −505K | −3.5% |
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