Latest Period
Q1 2026
Security Snapshot
Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs (SSD) Institutional Ownership
CUSIP: 829073105
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
455
Shares (Excl. Options)
40,894,936
Price
$171.62
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- Type / Class
- Equity / Simpson Manufacturing Ord Shs
- Symbol
- SSD on NYSE
- Shares outstanding
- 41,421,887
- Price per share
- $191.08
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 40,894,936
- Total reported value
- $7,012,630,844
- % of total 13F portfolios
- 0.01%
- Share change
- -966,567
- Value change
- -$158,623,925
- Number of holders
- 455
- Price from insider filings
- $191.08
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- SSD - Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs is tracked under CUSIP 829073105.
- 455 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 437 to 455 between Q4 2025 and Q1 2026.
- Reported value moved from $6,779,463,640 to $7,012,630,844.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 455 institutions filings for Q1 2026.
Security key
829073105
Latest holder period
Q1 2026
13F holders
455
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
SSD full holder history
Simpson Manufacturing Co., Inc. SEC filings
Simpson Manufacturing Co., Inc. company facts
Simpson Manufacturing Co., Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 829073105:
Significant Owners of Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs (SSD) based on Schedule 13D/G filings
| 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 Mar 2026, 455 institutional investors reported holding 40,894,936 shares of Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs (SSD). This represents 99% of the company’s total 41,421,887 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs (SSD) together control 70% 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.7% | 4,031,756 | +0.63% | 0.01% | $691,929,947 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 9.4% | 3,885,449 | -3.3% | 2% | $666,820,771 |
| FMR LLC | 6.4% | 2,646,302 | +24% | 0.02% | $454,158,436 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.7% | 1,927,556 | 0% | 0.02% | $330,807,161 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 1,864,047 | 0% | 0.01% | $319,907,746 |
| ValueAct Holdings, L.P. | 3.4% | 1,398,042 | -5% | 4.2% | $239,931,968 |
| MORGAN STANLEY | 3.1% | 1,297,261 | -14% | 0.01% | $222,636,250 |
| STATE STREET CORP | 3.1% | 1,271,188 | +2.2% | 0.01% | $218,161,285 |
| Baker Avenue Asset Management, LP | 2.2% | 914,702 | -2.8% | 3.6% | $156,981,157 |
| DIMENSIONAL FUND ADVISORS LP | 2.1% | 870,425 | -0.89% | 0.03% | $149,369,726 |
| Quantinno Capital Management LP | 2.1% | 857,918 | +0.49% | 0.25% | $147,235,926 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 787,667 | +2.9% | 0.01% | $135,210,647 |
| NEUBERGER BERMAN GROUP LLC | 1.8% | 760,096 | +2.3% | 0.1% | $130,447,737 |
| Capital International Investors | 1.6% | 663,195 | 0% | 0.03% | $113,817,526 |
| BANK OF MONTREAL /CAN/ | 1.6% | 648,001 | -4.5% | 0.05% | $111,209,933 |
| Conestoga Capital Advisors, LLC | 1.5% | 605,281 | -29% | 2.1% | $103,878,373 |
| FIRST TRUST ADVISORS LP | 1.4% | 582,201 | +6.3% | 0.07% | $99,917,209 |
| NORTHERN TRUST CORP | 1.4% | 580,976 | +2.6% | 0.01% | $99,707,101 |
| JPMORGAN CHASE & CO | 1.4% | 568,213 | -24% | 0.01% | $94,988,167 |
| Maren Capital LLC | 1.2% | 510,390 | -0.27% | 4.6% | $87,593,146 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 506,695 | +4.3% | 0.01% | $86,958,996 |
| FIDUCIARY MANAGEMENT INC /WI/ | 1% | 434,209 | -4.6% | 0.92% | $74,518,949 |
| VICTORY CAPITAL MANAGEMENT INC | 1% | 423,666 | +6.5% | 0.05% | $72,709,559 |
| GOLDMAN SACHS GROUP INC | 1% | 414,207 | -16% | 0.01% | $71,086,226 |
| Port Capital LLC | 0.99% | 408,069 | -0.16% | 3.1% | $70,032,802 |
Institutional Holders of Simpson Manufacturing Co., Inc. - Simpson Manufacturing Ord Shs (SSD) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 40,894,936 | $7,012,630,844 | -$158,623,925 | $171.62 | 455 |
| 2025 Q4 | 41,952,863 | $6,779,463,640 | +$212,221,443 | $161.47 | 437 |
| 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 |