JHX · Insider trading · 13F holders · Congress trades
James Hardie Industries plc (JHX)
Who is buying and selling JHX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 38
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $28.3M
- Congress trades, 12 months
- 3
JHX at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 JHX insiders filed 2 sales worth $28.3M on SEC Form 4, and no open-market purchases.
- 38 13F filers hold JHX among their 50 largest positions, worth $2.3B combined, including Andrew Immerman, David Greenspan, Dan Sundheim and Israel Englander. The biggest bets by portfolio weight are RDST Capital LLC (8.7%), Sea Cliff Partners Management, LP (7.4%) and ACK Asset Management LLC (6.4%). In their latest 13Fs, 5 managers opened a new position and 11 added to one.
- Members of Congress have disclosed 6 JHX trades since 2018, 2 purchases and 1 sale in the past year; the latest was Daniel S. Goldman (D-NY), selling $15K–50K on Jul 10, 2023.
- JHX last closed at $26.94 on Oct 29, 2026.
JHX insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 JHX insiders filed 2 sales worth $28.3M on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 27, 2026 | Skelly Jonathan | Pres. James Hardie NA | Sale | 65,000 | $30.46 | $2.0M | SEC |
| Aug 25, 2026 | Singh Jesse G | Director | Sale | 871,557 | $30.21 | $26.3M | SEC |
Who owns JHX? Hedge funds and superinvestors
38 13F filers hold JHX among their 50 largest positions, worth $2.3B combined, including Andrew Immerman, David Greenspan, Dan Sundheim and Israel Englander. The biggest bets by portfolio weight are RDST Capital LLC (8.7%), Sea Cliff Partners Management, LP (7.4%) and ACK Asset Management LLC (6.4%). In their latest 13Fs, 5 managers opened a new position and 11 added to one.
Superinvestors holding JHX: Andrew Immerman 3.7% · David Greenspan 2.2% · Dan Sundheim 2.1% · Israel Englander 0.3%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Dan SundheimHedge fund | 2.1% | $721.1M | 27,545,516 | -2.7% shares | Q2 2026 |
| Israel EnglanderHedge fund | 0.3% | $368.8M | 14,088,186 | — | Q2 2026 |
| Alyeska Investment Group, L.P.Hedge fund | 0.6% | $228.8M | 8,737,905 | — | Q2 2026 |
| David GreenspanHedge fund | 2.2% | $157.6M | 6,021,000 | +12.2% shares | Q2 2026 |
| Hill City Capital, LPHedge fund | 3.5% | $149.9M | 5,723,900 | +1.8% shares | Q2 2026 |
| Andrew ImmermanHedge fund | 3.7% | $108.1M | 4,130,497 | New | Q2 2026 |
| RDST Capital LLCHedge fund | 8.7% | $105.1M | 4,015,067 | +24.0% shares | Q2 2026 |
| ACK Asset Management LLCHedge fund | 6.4% | $55.0M | 2,100,000 | +0.0% shares | Q2 2026 |
| Merewether Investment Management, LPHedge fund | 1.0% | $54.0M | 2,064,029 | +5.4% shares | Q2 2026 |
| TimesSquare Capital Management, LLCHedge fund | 0.7% | $49.1M | 1,874,809 | — | Q2 2026 |
| Bwcp, LPHedge fund | 5.2% | $36.1M | 1,380,185 | +14.0% shares | Q2 2026 |
| Kinetic Partners Management, LPHedge fund | 0.8% | $34.0M | 1,300,000 | -24.1% shares | Q2 2026 |
| Diameter Capital Partners LPHedge fund | 4.0% | $30.7M | 1,172,112 | +2244.2% shares | Q2 2026 |
| One Madison Group LLCAsset manager | 2.5% | $26.2M | 1,000,000 | +1210.6% shares | Q2 2026 |
| DDD Partners, LLCWealth manager | 1.4% | $22.7M | 866,921 | — | Q2 2026 |
| Clearline Capital LPHedge fund | 1.3% | $19.7M | 751,535 | -2.3% shares | Q2 2026 |
| Aristotle Capital Boston, LLCAsset manager | 1.2% | $18.6M | 709,085 | -16.3% shares | Q2 2026 |
| Sea Cliff Partners Management, LPHedge fund | 7.4% | $16.8M | 640,270 | -11.0% shares | Q2 2026 |
| Maplelane Capital, LLCHedge fund | 0.6% | $13.6M | 518,400 | New | Q2 2026 |
| Canyon Capital Advisors LLCHedge fund | 1.4% | $12.7M | 484,748 | +21.6% shares | Q2 2026 |
| Catalyst Funds Management Pty LtdHedge fund | 0.6% | $11.4M | 434,572 | — | Q2 2026 |
| Cercano Management LLCHedge fund | 1.2% | $8.9M | 338,568 | — | Q2 2026 |
| Beaconlight Capital, LLCHedge fund | 3.8% | $8.5M | 326,195 | +112.0% shares | Q2 2026 |
| Heights Point Management, LPHedge fund | 4.8% | $6.0M | 228,442 | +11.6% shares | Q2 2026 |
| Aster Capital Management (DIFC) LtdAsset manager | 1.1% | $5.3M | 200,873 | — | Q2 2026 |
| Formula Growth LtdHedge fund | 1.7% | $5.0M | 189,765 | -19.9% shares | Q2 2026 |
| Masterton Capital Management, LPHedge fund | 3.5% | $4.1M | 157,380 | New | Q2 2026 |
| Tabor Asset Management, LPInstitutional asset manager | 1.1% | $3.6M | 137,467 | New | Q2 2026 |
| Game Creek Capital, LPHedge fund | 1.5% | $3.4M | 130,000 | -3.7% shares | Q2 2026 |
| Elwood Capital Partners LPHedge fund | 2.4% | $3.3M | 125,000 | +66.7% shares | Q2 2026 |
The 30 largest of 38 positions, by value. Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 37). Screen JHX in the grand portfolio →
JHX stock trades by members of Congress
Members of Congress have disclosed 6 JHX trades since 2018, 2 purchases and 1 sale in the past year; the latest was Daniel S. Goldman (D-NY), selling $15K–50K on Jul 10, 2023.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Aug 13, 2023 | Daniel S. GoldmanD-NY · House | Sale | $15K–50K | Jul 10, 2023 | +4.1% |
| Apr 17, 2023 | Daniel S. GoldmanD-NY · House | Buy | $1K–15K | Mar 31, 2023 | +25.4% |
| Mar 20, 2023 | Daniel S. GoldmanD-NY · House | Buy | $1K–15K | Feb 27, 2023 | +30.9% |
| Apr 7, 2020 | Greg GianforteR-MT · House | Buy | $1K–15K | Mar 18, 2020 | +147.0% |
| Dec 11, 2018 | Greg GianforteR-MT · House | Sale | $1K–15K | Nov 19, 2018 | +134.2% |
| Apr 13, 2018 | Greg GianforteR-MT · House | Buy | $1K–15K | Mar 26, 2018 | +54.8% |
2 members have traded JHX: Daniel S. Goldman, Greg Gianforte.
JHX questions and answers
Are insiders buying JHX stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 JHX insiders filed 2 sales worth $28.3M on SEC Form 4, and no open-market purchases.
Which hedge funds own JHX?
38 13F filers hold JHX among their 50 largest positions, worth $2.3B combined, including Andrew Immerman, David Greenspan, Dan Sundheim and Israel Englander. The biggest bets by portfolio weight are RDST Capital LLC (8.7%), Sea Cliff Partners Management, LP (7.4%) and ACK Asset Management LLC (6.4%). In their latest 13Fs, 5 managers opened a new position and 11 added to one.
Has Congress traded JHX?
Members of Congress have disclosed 6 JHX trades since 2018, 2 purchases and 1 sale in the past year; the latest was Daniel S. Goldman (D-NY), selling $15K–50K on Jul 10, 2023.
Who is the largest holder of JHX?
Among 13F filers, Dan Sundheim reports the largest JHX position, $721.1M (27,545,516 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is RDST Capital LLC's: 8.7% of its portfolio.
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