Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in JHX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | 52.8M | $1.00B | +0.8% | 9.099% | 0.19% |
| 2 | FMR LLC | 31.3M | $592.0M | +181.9% | 5.386% | 0.03% |
| 3 | D1 Capital Partners L.P. | 28.3M | $536.0M | +16.0% | 4.877% | 4.77% |
| 4 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 11.6M | $236.6M | -8.1% | 2.000% | 0.08% |
| 5 | Alyeska Investment Group, L.P. | 7.8M | $147.4M | +50.7% | 1.341% | 0.42% |
| 6 | Point72 Asset Management, L.P. | 6.3M | $118.9M | -14.6% | 1.081% | 0.17% |
| 7 | Hill City Capital, LP | 5.6M | $106.5M | +9.8% | 0.969% | 3.80% |
| 8 | BlackRock, Inc. | 5.6M | $106.4M | +31.2% | 0.968% | 0.00% |
| 9 | Phoenix Holdings Ltd. | 5.4M | $103.2M | -1.2% | 0.939% | 0.98% |
| 10 | Slate Path Capital LP | 5.4M | $101.6M | 0.0% | 0.924% | 1.51% |
| 11 | CITADEL ADVISORS LLC | 5.1M | $95.8M | -37.1% | 0.872% | 0.04% |
| 12 | JACOBS LEVY EQUITY MANAGEMENT, INC | 4.1M | $78.2M | +10.5% | 0.711% | 0.33% |
| 13 | RENAISSANCE TECHNOLOGIES LLC | 3.8M | $72.7M | +48.5% | 0.662% | 0.11% |
| 14 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 3.6M | $68.6M | +69.3% | 0.624% | 0.11% |
| 15 | MILLENNIUM MANAGEMENT LLC | 3.4M | $63.9M | -5.2% | 0.581% | 0.04% |
| 16 | Schonfeld Strategic Advisors LLC | 3.4M | $63.8M | +229.3% | 0.581% | 0.47% |
| 17 | RDST Capital LLC | 3.2M | $61.3M | +20.2% | 0.558% | 5.91% |
| 18 | Capital World Investors | 3.1M | $59.0M | 0.0% | 0.537% | 0.01% |
| 19 | BARCLAYS PLC | 2.9M | $54.4M | +807.3% | 0.495% | 0.02% |
| 20 | UBS Group AG | 2.7M | $52.0M | +54.0% | 0.473% | 0.01% |
| 21 | MORGAN STANLEY | 2.5M | $47.6M | -36.0% | 0.433% | 0.00% |
| 22 | Holocene Advisors, LP | 2.3M | $44.0M | +2251.1% | 0.400% | 0.11% |
| 23 | CITIGROUP INC | 2.2M | $40.9M | +1812.7% | 0.372% | 0.02% |
| 24 | Stephens Investment Management Group LLC | 2.1M | $40.1M | -0.4% | 0.365% | 0.55% |
| 25 | ACK Asset Management LLC | 2.1M | $39.8M | 0.0% | 0.362% | 4.96% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in JHX — a direct measure of their conviction.
Filings activity in JHX during Q1 2026, grouped by how each filer changed its position.
4 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 288 | +2.5% | 35.15% | +2.24 pp | $4.92B | +6.8% |
| Q4 2025 | 281 | +4.9% | 32.91% | +5.11 pp | $4.61B | +18% |
| Q3 2025 | 268 | +3729% | 27.80% | +27.57 pp | $3.89B | +12050% |
| Q2 2025 | 7 | — | 0.23% | — | $32M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying JHX stock.
Based on Q1 2026 13F filings, institutional ownership of James Hardie Industries plc stands at 35.1%, held across 288 reporting institutions.
WELLINGTON MANAGEMENT GROUP LLP is the largest reported institutional holder of JHX, with approximately 52,803,225 shares worth $1.00B as of Q1 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of JHX, including Point72 Asset Management, L.P., CITADEL ADVISORS LLC, RENAISSANCE TECHNOLOGIES LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for JHX is 72 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
65 institutions opened new positions in JHX during Q1 2026, while 58 fully exited. 69 added to existing positions and 152 trimmed.
JHX institutional ownership rose by 2.24 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 61.9% of all reported 13F value in JHX, and the top 25 account for 79.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
James Hardie Industries plc (JHX) Institutional Ownership