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 $18.86B 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 $1.79B 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 $2.06B, representing an estimated gain of +15.36% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 52% 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
607
Total Reported Value
$18.86B
Largest Holder
Blackrock, Inc.
Largest Position
$1.79B
Insider Transactions (90d)
17
Latest Filing Quarter
Q2 2026
New Institutional Positions
53
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.03% | 44,804,829 | $1,785,472,456 | $2,059,677,989 | +$274,205,533 | +15.36% | |
| Capital Research Global Investors | 0.24% | 38,971,751 | $1,553,024,277 | $1,791,531,393 | +$238,507,116 | +15.36% | |
| Vanguard Capital Management Llc | 0.03% | 33,960,747 | $1,353,335,768 | $1,561,175,540 | +$207,839,772 | +15.36% | |
| State Street Corp | 0.03% | 25,258,844 | $1,006,666,743 | $1,161,149,059 | +$154,482,316 | +15.35% | |
| Nuveen, Llc | 0.27% | 24,590,686 | $979,938,847 | $1,130,433,835 | +$150,494,988 | +15.36% | |
| Vanguard Portfolio Management Llc | 0.05% | 24,315,691 | $968,980,286 | $1,117,792,315 | +$148,812,029 | +15.36% | |
| Causeway Capital Management | Sarah Ketterer | 7.61% | 15,566,028 | $620,306,256 | $715,570,307 | +$95,264,051 | +15.36% |
| Geode Capital Management, Llc | 0.04% | 14,265,503 | $566,387,482 | $655,785,173 | +$89,397,691 | +15.78% | |
| Orbis Allan Gray Ltd | 2.32% | 13,775,054 | $548,935,902 | $633,239,232 | +$84,303,330 | +15.36% | |
| Franklin Resources Inc | 0.13% | 12,932,618 | $515,725,466 | $594,512,449 | +$78,786,983 | +15.28% | |
| Capital World Investors | 0.07% | 12,472,417 | $497,025,817 | $573,357,009 | +$76,331,192 | +15.36% | |
| Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | 0.39% | 10,678,423 | $425,224,032 | $490,887,105 | +$65,663,073 | +15.44% | |
| Invesco Ltd. | 0.06% | 10,645,905 | $424,239,314 | $489,392,253 | +$65,152,939 | +15.36% | |
| Fmr Llc | 0.02% | 10,092,067 | $402,194,043 | $463,932,320 | +$61,738,277 | +15.35% | |
| Bank Of New York Mellon Corp | 0.06% | 8,823,021 | $351,597,378 | $405,594,275 | +$53,996,897 | +15.36% | |
| Ameriprise Financial Inc | 0.08% | 8,593,814 | $342,458,207 | $395,057,630 | +$52,599,423 | +15.36% | |
| Deutsche Bank Ag\ | 0.09% | 6,529,550 | $260,202,568 | $300,163,414 | +$39,960,846 | +15.36% | |
| Trinity Street Asset Management Llp | 12.53% | 5,261,555 | $243,399,534 | $241,873,683 | -$1,525,851 | -0.63% | |
| Goldman Sachs Group Inc | 0.03% | 5,975,778 | $238,134,734 | $274,706,515 | +$36,571,781 | +15.36% | |
| Morgan Stanley | 0.01% | 5,971,038 | $237,945,965 | $274,488,617 | +$36,542,652 | +15.36% | |
| Nordea Investment Management Ab | 0.22% | 6,017,633 | $234,928,392 | $276,630,589 | +$41,702,197 | +17.75% | |
| Bank Of America Corp | 0.02% | 5,460,163 | $217,587,478 | $251,003,693 | +$33,416,215 | +15.36% | |
| Aqr Capital Management Llc | 0.09% | 5,043,214 | $198,248,749 | $231,836,548 | +$33,587,799 | +16.94% | |
| Dimensional Fund Advisors Lp | 0.04% | 4,848,130 | $193,140,937 | $222,868,536 | +$29,727,599 | +15.39% | |
| Northern Trust Corp | 0.02% | 4,705,981 | $187,533,344 | $216,333,947 | +$28,800,603 | +15.36% | |
| Legal & General Group Plc | 0.04% | 4,484,439 | $177,899,243 | $206,149,661 | +$28,250,418 | +15.88% | |
| Ubs Group Ag | 0.03% | 4,003,393 | $159,535,212 | $184,035,976 | +$24,500,764 | +15.36% | |
| Amundi | 0.04% | 3,964,673 | $157,992,220 | $182,256,018 | +$24,263,798 | +15.36% | |
| Canada Pension Plan Investment Board | 0.10% | 3,757,109 | $149,720,794 | $172,714,301 | +$22,993,507 | +15.36% | |
| Charles Schwab Investment Management Inc | 0.02% | 3,538,580 | $141,012,413 | $162,668,523 | +$21,656,110 | +15.36% | |
| Vanguard Fiduciary Trust Co | 0.03% | 2,941,492 | $117,218,456 | $135,220,387 | +$18,001,931 | +15.36% | |
| Ruffer Llp | 3.98% | 2,438,889 | $112,695,934 | $112,115,727 | -$580,207 | -0.51% | |
| Soros Fund Management Llc | 1.38% | 2,520,236 | $100,431,405 | $115,855,249 | +$15,423,844 | +15.36% | |
| Massachusetts Financial Services Co | 0.03% | 2,049,143 | $96,241,214 | $94,199,104 | -$2,042,110 | -2.12% | |
| Citigroup Inc | 0.04% | 1,725,932 | $79,841,627 | $79,341,094 | -$500,533 | -0.63% | |
| Alberta Investment Management Corp | 0.48% | 1,944,236 | $77,477,805 | $89,376,529 | +$11,898,724 | +15.36% | |
| Polaris Capital Management, Llc | 7.13% | 1,635,802 | $75,672,201 | $75,197,818 | -$474,383 | -0.63% | |
| Lansdowne Partners (Uk) Llp | 3.99% | 1,870,219 | $74,528,227 | $85,973,967 | +$11,445,740 | +15.36% | |
| Royal Bank Of Canada | 0.01% | 1,820,494 | $72,547,000 | $83,688,109 | +$11,141,109 | +15.36% | |
| Alliancebernstein L.P. | 0.02% | 1,867,831 | $72,229,025 | $85,864,191 | +$13,635,166 | +18.88% | |
| First Trust Advisors Lp | 0.05% | 1,751,085 | $69,780,571 | $80,497,377 | +$10,716,806 | +15.36% | |
| Barclays Plc | 0.02% | 1,611,323 | $64,211,220 | $74,072,518 | +$9,861,298 | +15.36% | |
| Pictet Asset Management Holding Sa | 0.06% | 1,386,738 | $64,150,500 | $63,748,346 | -$402,154 | -0.63% | |
| Vontobel Holding Ltd. | 0.21% | 1,340,615 | $62,016,851 | $61,628,072 | -$388,779 | -0.63% | |
| Swiss National Bank | 0.04% | 1,532,397 | $61,066,020 | $70,444,290 | +$9,378,270 | +15.36% | |
| Sound Shore Management | Harry Burn | 2.02% | 1,509,136 | $60,139,070 | $69,374,982 | +$9,235,912 | +15.36% |
| Sei Investments Co | 0.06% | 1,497,967 | $59,697,489 | $68,861,543 | +$9,164,054 | +15.35% | |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | 1,139,192 | $52,699,022 | $52,368,656 | -$330,366 | -0.63% | |
| Bnp Paribas Financial Markets | 0.03% | 1,300,851 | $51,838,913 | $59,800,120 | +$7,961,207 | +15.36% | |
| Cullen Capital Management, Llc | 0.51% | 1,245,910 | $49,649,532 | $57,274,483 | +$7,624,951 | +15.36% |
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.