| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 9.7% | $719,368,934 | 4,017,923 | Kayne Anderson Rudnick Investment Management, LLC | 31 Dec 2025 | |||
| FMR LLC | 5.1% | $354,015,836 | 2,114,032 | FMR LLC | 30 Sep 2025 |
As of 31 Dec 2025, 428 institutional investors reported holding 41,793,496 shares of Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs (SSD). This represents 101% of the company’s total 41,421,887 outstanding shares.
The largest institutional shareholders of Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs (SSD) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 9.7% | 4,036,612 | -1.1% | 0.01% | $651,791,739 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 9.7% | 4,016,822 | -7.2% | 1.7% | $648,596,253 |
| BlackRock, Inc. | 9.7% | 4,006,600 | +0.08% | 0.01% | $646,945,639 |
| FMR LLC | 5.2% | 2,142,547 | +1.3% | 0.02% | $345,957,102 |
| MORGAN STANLEY | 3.6% | 1,505,387 | -1.7% | 0.01% | $243,075,107 |
| ValueAct Holdings, L.P. | 3.6% | 1,472,142 | +22% | 3.4% | $237,706,769 |
| STATE STREET CORP | 3% | 1,244,366 | -0.53% | 0.01% | $200,927,778 |
| Baker Avenue Asset Management, LP | 2.3% | 941,123 | -14% | 3.5% | $151,963,131 |
| DIMENSIONAL FUND ADVISORS LP | 2.1% | 878,270 | +3.7% | 0.03% | $141,825,828 |
| Quantinno Capital Management LP | 2.1% | 853,750 | +48% | 0.28% | $137,855,035 |
| Conestoga Capital Advisors, LLC | 2.1% | 849,350 | -3.7% | 2.3% | $137,144,589 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 765,322 | +0.91% | 0.01% | $123,602,759 |
| JPMORGAN CHASE & CO | 1.8% | 749,648 | -7.6% | 0.01% | $121,045,670 |
| NEUBERGER BERMAN GROUP LLC | 1.8% | 743,163 | -9.8% | 0.09% | $119,998,572 |
| BANK OF MONTREAL /CAN/ | 1.6% | 678,490 | +11045% | 0.04% | $109,555,780 |
| Capital International Investors | 1.6% | 663,195 | +94% | 0.02% | $107,086,097 |
| NORTHERN TRUST CORP | 1.4% | 566,138 | +2% | 0.01% | $91,414,303 |
| FIRST TRUST ADVISORS LP | 1.3% | 547,603 | +1.2% | 0.06% | $88,421,539 |
| NORGES BANK | 1.3% | 527,280 | 0.01% | $85,139,902 | |
| Maren Capital LLC | 1.2% | 511,756 | +21% | 4.4% | $82,633,254 |
| GOLDMAN SACHS GROUP INC | 1.2% | 494,394 | +57% | 0.01% | $79,829,819 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 485,766 | -0.12% | 0.01% | $78,436,636 |
| FIDUCIARY MANAGEMENT INC /WI/ | 1.1% | 455,195 | -55% | 0.81% | $73,500,337 |
| WELLS FARGO & COMPANY/MN | 0.99% | 411,643 | -4.8% | 0.01% | $66,467,808 |
| Port Capital LLC | 0.99% | 408,705 | +0.61% | 2.8% | $65,993,596 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 41,793,496 | $6,753,707,083 | +$200,725,926 | $161.47 | 428 |
| 2025 Q3 | 41,284,725 | $6,930,706,702 | -$241,577,365 | $167.46 | 432 |
| 2025 Q2 | 42,810,905 | $6,651,811,372 | +$246,718,207 | $155.31 | 430 |
| 2025 Q1 | 41,238,352 | $6,476,947,901 | -$33,488,087 | $157.08 | 425 |
| 2024 Q4 | 41,408,097 | $6,866,232,828 | +$91,600,672 | $165.83 | 421 |
| 2024 Q3 | 40,747,642 | $7,792,963,057 | -$109,621,723 | $191.27 | 411 |
| 2024 Q2 | 41,307,907 | $6,961,031,761 | +$205,114,474 | $168.53 | 394 |
| 2024 Q1 | 39,977,552 | $8,200,745,344 | +$96,924,824 | $205.18 | 389 |
| 2023 Q4 | 39,698,440 | $7,863,745,487 | +$217,900,632 | $197.98 | 380 |
| 2023 Q3 | 38,643,089 | $5,789,261,801 | +$40,317,636 | $149.81 | 359 |
| 2023 Q2 | 38,206,446 | $5,291,784,865 | -$9,993,228 | $138.50 | 322 |
| 2023 Q1 | 38,462,981 | $4,216,988,730 | +$43,811,801 | $109.64 | 318 |
| 2022 Q4 | 38,328,681 | $3,400,198,899 | +$22,491,734 | $88.66 | 302 |
| 2022 Q3 | 38,512,724 | $3,019,444,317 | -$61,977,418 | $78.40 | 289 |
| 2022 Q2 | 38,875,620 | $3,911,618,901 | +$29,491,412 | $100.61 | 297 |
| 2022 Q1 | 38,700,097 | $4,222,856,742 | -$108,198,200 | $109.04 | 305 |
| 2021 Q4 | 39,622,070 | $5,506,706,681 | +$43,512,229 | $139.07 | 295 |
| 2021 Q3 | 38,674,935 | $4,137,999,438 | +$19,849,488 | $106.97 | 288 |
| 2021 Q2 | 38,480,004 | $4,249,586,442 | +$4,758,045 | $110.44 | 286 |
| 2021 Q1 | 38,443,385 | $3,988,463,365 | +$15,288,947 | $103.73 | 298 |
| 2020 Q4 | 38,391,556 | $3,588,351,290 | -$84,180,325 | $93.45 | 294 |
| 2020 Q3 | 39,329,977 | $3,818,494,836 | +$21,877,929 | $97.16 | 272 |
| 2020 Q2 | 39,104,112 | $3,298,988,865 | -$98,759,908 | $84.36 | 266 |
| 2020 Q1 | 41,045,047 | $2,543,911,995 | +$50,020,176 | $61.98 | 257 |
| 2019 Q4 | 40,145,107 | $3,220,460,576 | -$60,227,595 | $80.23 | 257 |
| 2019 Q3 | 40,922,882 | $2,839,037,696 | +$26,812,310 | $69.37 | 221 |
| 2019 Q2 | 40,561,825 | $2,694,965,166 | +$15,134,725 | $66.46 | 228 |
| 2019 Q1 | 40,554,199 | $2,403,565,769 | +$15,800,068 | $59.27 | 227 |
| 2018 Q4 | 40,330,847 | $2,182,943,735 | -$71,298,582 | $54.13 | 234 |
| 2018 Q3 | 41,254,129 | $2,988,128,294 | -$9,145,804 | $72.46 | 240 |
| 2018 Q2 | 41,791,087 | $2,598,954,758 | +$51,513,002 | $62.19 | 211 |
| 2018 Q1 | 41,094,704 | $2,366,498,253 | -$37,148,549 | $57.59 | 195 |
| 2017 Q4 | 41,377,446 | $2,375,677,876 | +$51,967,253 | $57.41 | 211 |
| 2017 Q3 | 40,357,236 | $1,979,042,502 | +$21,266,845 | $49.04 | 178 |
| 2017 Q2 | 40,029,316 | $1,749,671,022 | +$126,101,342 | $43.71 | 187 |
| 2017 Q1 | 39,628,688 | $1,707,512,306 | +$227,905,795 | $43.09 | 186 |
| 2016 Q4 | 39,097,067 | $1,710,911,788 | -$17,888,925 | $43.75 | 199 |
| 2016 Q3 | 39,512,423 | $1,735,783,533 | -$227,329 | $43.95 | 169 |
| 2016 Q2 | 39,517,918 | $1,579,906,958 | -$18,257,305 | $39.97 | 164 |
| 2016 Q1 | 39,982,593 | $1,525,528,020 | +$29,884,850 | $38.17 | 158 |
| 2015 Q4 | 39,179,043 | $1,337,839,100 | -$15,907,171 | $34.15 | 152 |
| 2015 Q3 | 39,661,137 | $1,328,129,947 | -$11,897,706 | $33.49 | 134 |
| 2015 Q2 | 40,035,099 | $1,361,203,496 | -$36,094,806 | $34.00 | 140 |
| 2015 Q1 | 40,931,943 | $1,529,119,415 | +$45,893,851 | $37.37 | 141 |
| 2014 Q4 | 39,841,744 | $1,378,428,402 | -$23,562,470 | $34.60 | 147 |
| 2014 Q3 | 40,664,033 | $1,185,390,235 | -$611,513 | $29.15 | 150 |
| 2014 Q2 | 40,674,286 | $1,476,581,688 | +$48,341,352 | $36.36 | 142 |
| 2014 Q1 | 39,570,714 | $1,397,840,607 | +$10,151,058 | $35.33 | 145 |