| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 5.1% | $354,015,836 | 2,114,032 | FMR LLC | 30 Sep 2025 |
As of 30 Sep 2025, 430 institutional investors reported holding 41,272,520 shares of Simpson Manufacturing Co., Inc. - COMMON STOCK (SSD). This represents 100% of the company’s total 41,451,612 outstanding shares.
The largest institutional shareholders of Simpson Manufacturing Co., Inc. - COMMON STOCK (SSD) together control 73% 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 |
|---|---|---|---|---|---|
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 10% | 4,329,709 | -4.8% | 1.8% | $725,053,231 |
| VANGUARD GROUP INC | 9.8% | 4,082,677 | -0.96% | 0.01% | $683,685,090 |
| BlackRock, Inc. | 9.7% | 4,003,297 | +2% | 0.01% | $670,392,153 |
| FMR LLC | 5.1% | 2,114,032 | +34% | 0.02% | $354,015,836 |
| MORGAN STANLEY | 3.7% | 1,531,426 | -2.9% | 0.02% | $256,452,904 |
| STATE STREET CORP | 3% | 1,251,004 | +0.13% | 0.01% | $209,493,130 |
| ValueAct Holdings, L.P. | 2.9% | 1,207,942 | -14% | 3.4% | $202,281,967 |
| Baker Avenue Asset Management, LP | 2.6% | 1,090,929 | -0.06% | 4.4% | $182,686,970 |
| FIDUCIARY MANAGEMENT INC /WI/ | 2.5% | 1,017,566 | -0.56% | 1.7% | $170,401,602 |
| Conestoga Capital Advisors, LLC | 2.1% | 882,361 | -20% | 2.4% | $147,760,220 |
| DIMENSIONAL FUND ADVISORS LP | 2% | 846,526 | -1.9% | 0.03% | $141,758,307 |
| NEUBERGER BERMAN GROUP LLC | 2% | 823,729 | +17% | 0.1% | $137,941,686 |
| JPMORGAN CHASE & CO | 2% | 810,940 | -43% | 0.01% | $135,800,017 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 758,453 | +1.7% | 0.01% | $127,033,561 |
| Burgundy Asset Management Ltd. | 1.7% | 689,900 | -0.56% | 1.2% | $131,853,688 |
| Quantinno Capital Management LP | 1.4% | 577,757 | +0.4% | 0.26% | $96,751,259 |
| NORTHERN TRUST CORP | 1.3% | 555,211 | +1.4% | 0.01% | $92,975,634 |
| FIRST TRUST ADVISORS LP | 1.3% | 541,149 | +5.2% | 0.07% | $90,620,720 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 486,355 | +0.51% | 0.01% | $81,445,008 |
| Champlain Investment Partners, LLC | 1.1% | 447,314 | -11% | 0.56% | $74,907,202 |
| WELLS FARGO & COMPANY/MN | 1% | 432,294 | -4.1% | 0.01% | $72,391,812 |
| Maren Capital LLC | 1% | 423,089 | +11% | 3.9% | $70,850,498 |
| Port Capital LLC | 0.98% | 406,210 | +0.95% | 2.8% | $68,024,000 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.95% | 393,382 | +0.16% | 0.01% | $65,877,000 |
| RAYMOND JAMES FINANCIAL INC | 0.94% | 388,381 | -2.1% | 0.02% | $65,038,251 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,064,384 | $173,330,873 | +$17,518,221 | $161.47 | 58 |
| 2025 Q3 | 41,272,520 | $6,928,664,453 | -$246,800,776 | $167.46 | 430 |
| 2025 Q2 | 42,810,905 | $6,651,811,372 | +$246,718,206 | $155.31 | 430 |
| 2025 Q1 | 41,238,352 | $6,476,947,474 | -$33,488,064 | $157.08 | 425 |
| 2024 Q4 | 41,386,985 | $6,862,799,137 | +$162,740,973 | $165.83 | 419 |
| 2024 Q3 | 40,302,347 | $7,707,791,733 | -$183,999,313 | $191.27 | 409 |
| 2024 Q2 | 41,297,344 | $6,959,251,529 | +$285,731,243 | $168.53 | 392 |
| 2024 Q1 | 39,489,984 | $8,100,706,160 | +$45,583,604 | $205.18 | 390 |
| 2023 Q4 | 33,325 | $6,597,683 | +$1,715,507 | $197.98 | 2 |
| 2023 Q3 | 38,433,521 | $5,757,865,719 | +$22,112,998 | $149.81 | 359 |
| 2023 Q2 | 37,419,340 | $5,182,770,456 | -$37,219,879 | $138.50 | 318 |
| 2023 Q1 | 37,986,896 | $4,164,790,773 | +$43,939,477 | $109.64 | 317 |
| 2022 Q4 | 38,266,662 | $3,394,700,717 | +$23,603,920 | $88.66 | 301 |
| 2022 Q3 | 36,480,210 | $2,860,096,352 | -$60,833,329 | $78.40 | 284 |
| 2022 Q2 | 38,427,621 | $3,864,121,327 | +$18,803,843 | $100.61 | 294 |
| 2022 Q1 | 38,323,732 | $4,181,817,742 | -$102,331,054 | $109.04 | 301 |
| 2021 Q4 | 39,622,070 | $5,506,706,681 | +$43,509,698 | $139.07 | 295 |
| 2021 Q3 | 38,674,985 | $4,138,005,438 | +$19,803,747 | $106.97 | 292 |
| 2021 Q2 | 38,479,526 | $4,249,532,442 | +$20,231,048 | $110.44 | 285 |
| 2021 Q1 | 38,443,409 | $3,988,466,365 | +$14,725,280 | $103.73 | 299 |
| 2020 Q4 | 38,273,431 | $3,576,249,290 | -$82,516,557 | $93.45 | 292 |
| 2020 Q3 | 39,006,929 | $3,787,108,836 | +$24,949,714 | $97.16 | 270 |
| 2020 Q2 | 38,757,773 | $3,269,771,865 | -$97,422,787 | $84.36 | 265 |
| 2020 Q1 | 40,398,247 | $2,503,820,995 | +$48,840,524 | $61.98 | 253 |
| 2019 Q4 | 40,089,143 | $3,215,972,576 | -$60,058,959 | $80.23 | 254 |
| 2019 Q3 | 40,834,920 | $2,832,942,696 | +$25,775,868 | $69.37 | 217 |
| 2019 Q2 | 39,780,462 | $2,643,036,166 | +$50,836,317 | $66.46 | 225 |
| 2019 Q1 | 39,496,211 | $2,340,857,769 | +$38,791,185 | $59.27 | 223 |
| 2018 Q4 | 38,868,581 | $2,103,789,735 | -$50,331,133 | $54.13 | 229 |
| 2018 Q3 | 39,533,793 | $2,863,471,294 | -$2,458,435 | $72.46 | 236 |
| 2018 Q2 | 39,981,440 | $2,486,412,758 | +$90,312,554 | $62.19 | 208 |
| 2018 Q1 | 39,073,248 | $2,250,084,253 | -$60,574,801 | $57.59 | 192 |
| 2017 Q4 | 41,191,216 | $2,364,986,876 | +$55,838,656 | $57.41 | 209 |
| 2017 Q3 | 39,475,497 | $1,935,803,502 | +$19,515,129 | $49.04 | 175 |
| 2017 Q2 | 39,291,814 | $1,717,435,022 | +$127,656,277 | $43.71 | 185 |
| 2017 Q1 | 39,085,478 | $1,684,106,306 | +$214,171,843 | $43.09 | 184 |
| 2016 Q4 | 39,097,036 | $1,710,910,788 | -$17,890,402 | $43.75 | 198 |
| 2016 Q3 | 39,389,433 | $1,730,378,533 | -$611,247 | $43.95 | 168 |
| 2016 Q2 | 39,191,194 | $1,566,849,958 | -$17,850,491 | $39.97 | 162 |
| 2016 Q1 | 39,982,593 | $1,525,528,020 | +$29,883,861 | $38.17 | 158 |
| 2015 Q4 | 39,179,043 | $1,337,839,100 | -$15,907,187 | $34.15 | 152 |
| 2015 Q3 | 39,661,137 | $1,328,129,947 | -$13,831,523 | $33.49 | 134 |
| 2015 Q2 | 38,889,348 | $1,322,246,496 | -$3,807,576 | $34.00 | 139 |
| 2015 Q1 | 40,014,085 | $1,494,819,415 | +$76,681,435 | $37.37 | 139 |
| 2014 Q4 | 38,101,348 | $1,318,212,402 | -$23,999,718 | $34.60 | 144 |
| 2014 Q3 | 40,632,763 | $1,184,479,235 | -$1,307,467 | $29.15 | 149 |
| 2014 Q2 | 40,674,286 | $1,476,581,688 | +$48,338,342 | $36.36 | 142 |
| 2014 Q1 | 39,532,291 | $1,396,482,607 | +$10,815,613 | $35.33 | 143 |