SMURFIT WESTROCK PLC (SW) Institutional Shareholders
SMURFIT WESTROCK PLC (SW) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $22.33B in SW holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of SW tracked by InsiderSet, reporting ownership valued at approximately $2.10B in its June 30, 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 $2.03B, representing an estimated loss of -3.63% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 53% of the total disclosed SW value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Capital Research Global Investors, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in SMURFIT WESTROCK PLC (SW).
This page ranks the largest institutional SW 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
627
Total Reported Value
$22.33B
Largest Holder
Blackrock, Inc.
Largest Position
$2.10B
Insider Transactions (90d)
24
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.03% | 45,496,899 | $2,104,686,559 | $2,028,251,757 | -$76,434,802 | -3.63% | |
| Capital Research Global Investors | 0.28% | 42,634,328 | $1,972,263,342 | $1,900,638,342 | -$71,625,000 | -3.63% | |
| Vanguard Capital Management Llc | 0.03% | 34,245,410 | $1,584,192,667 | $1,526,660,378 | -$57,532,289 | -3.63% | |
| State Street Corp | 0.04% | 28,063,403 | $1,298,425,031 | $1,251,066,506 | -$47,358,525 | -3.65% | |
| Nuveen, Llc | 0.27% | 24,812,775 | $1,147,838,973 | $1,106,153,510 | -$41,685,464 | -3.63% | |
| Vanguard Portfolio Management Llc | 0.05% | 24,357,234 | $1,126,765,645 | $1,085,845,492 | -$40,920,153 | -3.63% | |
| Capital World Investors | 0.08% | 15,472,417 | $715,754,010 | $689,760,350 | -$25,993,660 | -3.63% | |
| Causeway Capital Management | Sarah Ketterer | 7.53% | 15,039,041 | $695,706,054 | $670,440,448 | -$25,265,606 | -3.63% |
| Geode Capital Management, Llc | 0.04% | 14,544,325 | $670,274,041 | $648,386,009 | -$21,888,033 | -3.27% | |
| Invesco Ltd. | 0.04% | 11,433,276 | $528,903,347 | $509,695,444 | -$19,207,903 | -3.63% | |
| Ameriprise Financial Inc | 0.09% | 9,947,344 | $460,163,342 | $443,452,596 | -$16,710,746 | -3.63% | |
| Bank Of New York Mellon Corp | 0.08% | 9,903,796 | $458,149,620 | $441,511,226 | -$16,638,394 | -3.63% | |
| Norges Bank | 0.05% | 9,884,546 | $454,835,844 | $440,653,061 | -$14,182,783 | -3.12% | |
| Morgan Stanley | 0.02% | 7,707,307 | $356,540,199 | $343,591,746 | -$12,948,453 | -3.63% | |
| Fmr Llc | 0.02% | 7,499,469 | $346,925,411 | $334,326,328 | -$12,599,083 | -3.63% | |
| Goldman Sachs Group Inc | 0.04% | 7,286,056 | $337,052,929 | $324,812,376 | -$12,240,553 | -3.63% | |
| Deutsche Bank Ag\ | 0.09% | 6,817,187 | $315,363,071 | $303,910,196 | -$11,452,875 | -3.63% | |
| Orbis Allan Gray Ltd | 0.94% | 5,881,487 | $272,077,589 | $262,196,690 | -$9,880,899 | -3.63% | |
| Bank Of America Corp | 0.02% | 5,758,154 | $266,372,220 | $256,698,505 | -$9,673,715 | -3.63% | |
| Nordea Investment Management Ab | 0.20% | 5,423,106 | $247,185,172 | $241,762,065 | -$5,423,107 | -2.19% | |
| Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | 0.19% | 5,312,463 | $245,743,991 | $236,829,601 | -$8,914,390 | -3.63% | |
| Trinity Street Asset Management Llp | 12.53% | 5,261,555 | $243,399,534 | $234,560,122 | -$8,839,412 | -3.63% | |
| Dimensional Fund Advisors Lp | 0.04% | 5,215,798 | $241,278,579 | $232,520,275 | -$8,758,304 | -3.63% | |
| Northern Trust Corp | 0.03% | 4,789,400 | $221,557,643 | $213,511,452 | -$8,046,191 | -3.63% | |
| Canada Pension Plan Investment Board | 0.12% | 4,639,784 | $214,636,408 | $206,841,571 | -$7,794,837 | -3.63% | |
| Legal & General Group Plc | 0.04% | 4,458,285 | $205,145,894 | $198,750,345 | -$6,395,549 | -3.12% | |
| Ubs Group Ag | 0.03% | 3,654,960 | $169,078,449 | $162,938,117 | -$6,140,332 | -3.63% | |
| Charles Schwab Investment Management Inc | 0.02% | 3,653,945 | $169,031,496 | $162,892,868 | -$6,138,628 | -3.63% | |
| Jpmorgan Chase & Co | 0.01% | 3,219,792 | $148,657,862 | $143,538,327 | -$5,119,535 | -3.44% | |
| Vanguard Fiduciary Trust Co | 0.03% | 2,944,266 | $136,201,745 | $131,255,378 | -$4,946,367 | -3.63% | |
| Aqr Capital Management Llc | 0.04% | 2,802,631 | $127,365,577 | $124,941,290 | -$2,424,287 | -1.90% | |
| Maple Rock Capital Partners Inc. | 2.37% | 2,608,298 | $120,659,865 | $116,277,925 | -$4,381,940 | -3.63% | |
| Ruffer Llp | 3.98% | 2,438,889 | $112,695,934 | $108,725,672 | -$3,970,262 | -3.52% | |
| Thompson Siegel & Walmsley Llc | 2.00% | 2,394,335 | $110,762,000 | $106,739,454 | -$4,022,546 | -3.63% | |
| Mirova Us Llc | 1.18% | 2,363,387 | $109,330,283 | $105,359,792 | -$3,970,491 | -3.63% | |
| Massachusetts Financial Services Co | 0.03% | 2,049,143 | $96,241,214 | $91,350,795 | -$4,890,419 | -5.08% | |
| Citadel Advisors Llc | 0.05% | 2,017,654 | $93,336,674 | $89,947,015 | -$3,389,659 | -3.63% | |
| Alberta Investment Management Corp | 0.51% | 1,930,917 | $89,324,220 | $86,080,280 | -$3,243,940 | -3.63% | |
| Bnp Paribas Financial Markets | 0.05% | 1,911,445 | $88,423,445 | $85,212,218 | -$3,211,227 | -3.63% | |
| American Century Companies Inc | 0.04% | 1,877,399 | $86,848,478 | $83,694,447 | -$3,154,031 | -3.63% | |
| Sound Shore Management | Harry Burn | 2.61% | 1,835,817 | $84,924,894 | $81,840,722 | -$3,084,172 | -3.63% |
| Royal Bank Of Canada | 0.01% | 1,803,602 | $83,437,000 | $80,404,577 | -$3,032,423 | -3.63% | |
| First Trust Advisors Lp | 0.05% | 1,801,677 | $83,345,071 | $80,318,761 | -$3,026,310 | -3.63% | |
| Citigroup Inc | 0.04% | 1,725,932 | $79,841,627 | $76,942,049 | -$2,899,578 | -3.63% | |
| Polaris Capital Management, Llc | 7.13% | 1,635,802 | $75,672,201 | $72,924,053 | -$2,748,148 | -3.63% | |
| Alliancebernstein L.P. | 0.02% | 1,759,841 | $70,129,664 | $78,453,712 | +$8,324,048 | +11.87% | |
| Soros Fund Management Llc | 0.92% | 1,512,798 | $69,982,035 | $67,440,535 | -$2,541,500 | -3.63% | |
| Sei Investments Co | 0.06% | 1,485,176 | $68,705,662 | $66,209,146 | -$2,496,516 | -3.63% | |
| Hsbc Holdings Plc | 0.03% | 1,486,681 | $68,628,424 | $66,276,239 | -$2,352,185 | -3.43% | |
| Swiss National Bank | 0.04% | 1,478,797 | $68,409,149 | $65,924,770 | -$2,484,379 | -3.63% |
Frequently asked questions about SW
Who owns the most SW stock?
The largest holders of SW 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 SMURFIT WESTROCK PLC (SW).
Is SW widely held by superinvestors?
Many widely followed stocks like SW appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly SW 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.