LYONDELLBASELL INDUSTRIES N (LYB) Institutional Shareholders
LYONDELLBASELL INDUSTRIES N (LYB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $18.92B in LYB holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of LYB tracked by InsiderSet, reporting ownership valued at approximately $2.02B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.56B, representing an estimated loss of -22.94% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed LYB value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dodge & Cox Stock Fund, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in LYONDELLBASELL INDUSTRIES N (LYB).
This page ranks the largest institutional LYB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
882
Total Reported Value
$18.92B
Largest Holder
Blackrock, Inc.
Largest Position
$2.02B
Insider Transactions (90d)
26
Latest Filing Quarter
Q2 2026
New Institutional Positions
41
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.04% | 25,113,288 | $2,023,126,447 | $1,559,032,919 | -$464,093,528 | -22.94% | |
| Dodge & Cox Stock Fund | V. D. Dodge, E. M. Cox | 0.75% | 16,839,152 | $1,356,562,085 | $1,045,374,556 | -$311,187,529 | -22.94% |
| Vanguard Capital Management Llc | 0.03% | 16,759,788 | $1,350,168,521 | $1,040,447,639 | -$309,720,882 | -22.94% | |
| State Street Corp | 0.04% | 13,509,115 | $1,088,294,304 | $838,645,859 | -$249,648,445 | -22.94% | |
| Vanguard Portfolio Management Llc | 0.05% | 11,992,716 | $966,133,201 | $744,507,809 | -$221,625,392 | -22.94% | |
| Capital World Investors | 0.13% | 11,749,410 | $946,532,470 | $729,403,373 | -$217,129,097 | -22.94% | |
| Capital Research Global Investors | 0.13% | 10,205,644 | $822,166,681 | $633,566,380 | -$188,600,301 | -22.94% | |
| Fmr Llc | 0.04% | 8,518,205 | $686,226,614 | $528,810,166 | -$157,416,448 | -22.94% | |
| Geode Capital Management, Llc | 0.04% | 6,945,441 | $562,714,982 | $431,172,977 | -$131,542,005 | -23.38% | |
| Morgan Stanley | 0.03% | 6,668,733 | $537,233,192 | $413,994,945 | -$123,238,247 | -22.94% | |
| Capital International Investors | 0.11% | 5,851,711 | $471,413,838 | $363,274,219 | -$108,139,619 | -22.94% | |
| Davis Selected Advisers | 2.07% | 5,596,588 | $450,862,358 | $347,436,183 | -$103,426,175 | -22.94% | |
| Invesco Ltd. | 0.06% | 5,081,518 | $409,367,087 | $315,460,637 | -$93,906,450 | -22.94% | |
| Aqr Capital Management Llc | 0.16% | 4,225,550 | $340,410,258 | $262,322,144 | -$78,088,114 | -22.94% | |
| Royal Bank Of Canada | 0.05% | 3,534,647 | $284,750,000 | $219,430,886 | -$65,319,114 | -22.94% | |
| Goldman Sachs Group Inc | 0.03% | 2,914,974 | $234,830,271 | $180,961,586 | -$53,868,685 | -22.94% | |
| Holocene Advisors, Lp | 0.55% | 2,835,183 | $228,402,342 | $176,008,161 | -$52,394,181 | -22.94% | |
| Ubs Group Ag | 0.04% | 2,828,696 | $227,879,750 | $175,605,448 | -$52,274,302 | -22.94% | |
| Charles Schwab Investment Management Inc | 0.03% | 2,654,786 | $213,869,560 | $164,809,115 | -$49,060,445 | -22.94% | |
| Northern Trust Corp | 0.03% | 2,453,727 | $197,672,246 | $152,327,372 | -$45,344,874 | -22.94% | |
| Millennium Management Llc | 0.14% | 2,322,614 | $187,109,784 | $144,187,877 | -$42,921,907 | -22.94% | |
| Agf Management Ltd | 0.83% | 2,310,951 | $186,170,213 | $143,463,838 | -$42,706,375 | -22.94% | |
| Bank Of New York Mellon Corp | 0.03% | 1,848,621 | $148,924,943 | $114,762,392 | -$34,162,551 | -22.94% | |
| Ensign Peak Advisors, Inc | 0.27% | 1,794,964 | $144,602,300 | $111,431,365 | -$33,170,935 | -22.94% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.03% | 1,778,352 | $143,264,037 | $110,400,092 | -$32,863,945 | -22.94% | |
| Bnp Paribas Financial Markets | 0.09% | 1,705,438 | $137,390,085 | $105,873,591 | -$31,516,494 | -22.94% | |
| Bank Of America Corp | 0.01% | 1,547,735 | $124,685,505 | $96,083,389 | -$28,602,116 | -22.94% | |
| Dimensional Fund Advisors Lp | 0.03% | 1,530,275 | $123,324,998 | $94,999,472 | -$28,325,526 | -22.97% | |
| Citadel Advisors Llc | 0.09% | 1,504,143 | $121,173,760 | $93,377,197 | -$27,796,563 | -22.94% | |
| Storebrand Asset Management As | 0.04% | 1,420,665 | $117,933,170 | $88,194,883 | -$29,738,287 | -25.22% | |
| Vanguard Fiduciary Trust Co | 0.03% | 1,449,557 | $116,776,312 | $89,988,499 | -$26,787,813 | -22.94% | |
| Schroder Investment Management Group | 0.08% | 1,214,091 | $97,807,171 | $75,370,769 | -$22,436,402 | -22.94% | |
| Legal & General Group Plc | 0.02% | 1,204,092 | $97,001,646 | $74,750,031 | -$22,251,615 | -22.94% | |
| Victory Capital Management Inc | 0.06% | 1,119,680 | $90,201,408 | $69,509,734 | -$20,691,674 | -22.94% | |
| Woodline Partners Lp | 0.33% | 1,075,414 | $86,635,352 | $66,761,701 | -$19,873,651 | -22.94% | |
| Deutsche Bank Ag\ | 0.03% | 987,302 | $79,537,049 | $61,291,708 | -$18,245,341 | -22.94% | |
| Thornburg Investment Management Inc | 0.82% | 977,081 | $78,713,645 | $60,657,188 | -$18,056,457 | -22.94% | |
| Barclays Plc | 0.03% | 948,512 | $76,412,127 | $58,883,625 | -$17,528,502 | -22.94% | |
| Cincinnati Insurance Co | 1.08% | 885,666 | $71,349,253 | $54,982,145 | -$16,367,108 | -22.94% | |
| Franklin Resources Inc | 0.02% | 866,688 | $69,820,385 | $53,803,991 | -$16,016,394 | -22.94% | |
| Hosking Partners Llp | 2.49% | 863,114 | $69,532,464 | $53,582,117 | -$15,950,347 | -22.94% | |
| Amundi | 0.02% | 842,525 | $67,873,814 | $52,303,952 | -$15,569,862 | -22.94% | |
| American Century Companies Inc | 0.03% | 797,262 | $64,227,426 | $49,494,025 | -$14,733,401 | -22.94% | |
| Nuveen, Llc | 0.02% | 776,174 | $62,528,577 | $48,184,882 | -$14,343,695 | -22.94% | |
| Squarepoint Ops Llc | 0.13% | 761,228 | $61,324,528 | $47,257,034 | -$14,067,494 | -22.94% | |
| Swiss National Bank | 0.04% | 755,700 | $60,879,192 | $46,913,856 | -$13,965,336 | -22.94% | |
| Wells Fargo & Company/Mn | 0.01% | 692,069 | $55,753,083 | $42,963,644 | -$12,789,439 | -22.94% | |
| Samlyn Capital, Llc | 0.95% | 686,229 | $55,282,609 | $42,601,096 | -$12,681,513 | -22.94% | |
| Susquehanna International Group, Llp | 0.07% | 660,081 | $53,176,125 | $40,977,828 | -$12,198,297 | -22.94% | |
| Merewether Investment Management, Lp | 1.02% | 654,687 | $52,741,585 | $40,642,969 | -$12,098,616 | -22.94% |
Frequently asked questions about LYB
Who owns the most LYB stock?
The largest holders of LYB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for LYONDELLBASELL INDUSTRIES N (LYB).
Is LYB widely held by superinvestors?
Many widely followed stocks like LYB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly LYB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.