SIMPSON MFG INC SSD
COM · Common Stock · CUSIP 829073105
US-based construction materials company
- SectorIndustrials
- IndustryCutlery, Handtools & General Hardware
- HeadquartersPleasanton, CA
- Founded1956
- Websitesimpsonmfg.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($20.0m this quarter). Holder counts are more reliable. Shares outstanding: 41.5m as of 2025-11-05, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $167.88. Options: 5 managers hold calls ($9.8m notional), 2 hold puts ($1.4m).
Trends to Q3 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 298 |
| Q4 2022 | 304 |
| Q1 2023 | 320 |
| Q2 2023 | 327 |
| Q3 2023 | 363 |
| Q4 2023 | 384 |
| Q1 2024 | 394 |
| Q2 2024 | 399 |
| Q3 2024 | 417 |
| Q4 2024 | 423 |
| Q1 2025 | 429 |
| Q2 2025 | 435 |
| Q3 2025 | 437 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2023 | 174 | 188 |
| Q1 2024 | 178 | 185 |
| Q2 2024 | 204 | 205 |
| Q3 2024 | 203 | 197 |
| Q4 2024 | 191 | 198 |
| Q1 2025 | 225 | 185 |
| Q2 2025 | 195 | 228 |
| Q3 2025 | 203 | 211 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2024 | $7.0m | $3.2m | 0.46 |
| Q1 2025 | $5.8m | $2.0m | 0.35 |
| Q2 2025 | $4.7m | $1.0m | 0.21 |
| Q3 2025 | $9.8m | $1.4m | 0.14 |
Biggest buyers
| FMR LLC | Added | +534.2k |
| JPMORGAN CHASE & CO | Added | +205.1k |
| NEUBERGER BERMAN GROUP LLC | Added | +120.1k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Added | +100.0k |
| ARGENT CAPITAL MANAGEMENT LLC | New | +95.4k |
| Capital World Investors | Added | +87.1k |
| BlackRock, Inc. | Added | +77.0k |
| COOKE & BIELER LP | New | +72.9k |
| River Road Asset Management, LLC | Added | +69.0k |
| T. Rowe Price Investment Management, Inc. | Added | +67.9k |
Biggest sellers
| ROYAL BANK OF CANADA | Reduced | -331.5k |
| Conestoga Capital Advisors, LLC | Reduced | -220.8k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | Reduced | -217.9k |
| ValueAct Holdings, L.P. | Reduced | -198.2k |
| Point72 Asset Management, L.P. | Reduced | -164.0k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Reduced | -133.5k |
| AMERIPRISE FINANCIAL INC | Reduced | -101.3k |
| BANK OF NOVA SCOTIA | Sold out | -66.0k |
| UBS Group AG | Reduced | -64.3k |
| D. E. Shaw & Co., Inc. | Reduced | -63.2k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $7.3m43.5k shares |
| JANE STREET GROUP, LLC | New | $1.1m6.7k shares |
| CITADEL ADVISORS LLC | Reduced | $921.0k5.5k shares |
| WOLVERINE TRADING, LLC | New | $469.2k2.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $16.0k100 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $854.0k5.1k shares |
| CITADEL ADVISORS LLC | New | $552.6k3.3k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution +2.5 pts · filed 2026-08-06 | 8.9% |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 13G · institution -1.0 pts · filed 2026-08-13 | 8.7% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.3% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q3 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2023 | 0 | — | 1 | $727.3k | $727.3k |
| Q1 2024 | 0 | — | 3 | $1.1m | $487.1k |
| Q2 2024 | 0 | — | 2 | $478.6k | — |
| Q3 2024 | 0 | — | 5 | $2.3m | — |
| Q4 2024 | 0 | — | 2 | $174.9k | — |
| Q1 2025 | 0 | — | 1 | $170.0k | — |
| Q2 2025 | 0 | — | 2 | $194.2k | — |
| Q3 2025 | 0 | — | 2 | $641.8k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-08-25 | Andersen Michael EVP, Europe | Sold | $196.1k1.0k shares |
| 2025-08-01 | Gilstrap Jeremy EVP, Innovation | Sold | $445.7k2.5k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q3 2025
| Manager | Shares | Change |
|---|---|---|
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1.77% of their portfolio | 4.3m $725.1m | Reduced -217.9k |
| VANGUARD GROUP INC 0.01% of their portfolio | 4.1m $683.7m | Reduced -39.7k |
| BlackRock, Inc. 0.01% of their portfolio | 4.0m $670.4m | Added +77.0k |
| FMR LLC 0.02% of their portfolio | 2.1m $354.0m | Added +534.2k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 1.6m $271.6m | Added +205.1k |
| MORGAN STANLEY 0.02% of their portfolio | 1.5m $256.5m | Reduced -46.2k |
| STATE STREET CORP 0.01% of their portfolio | 1.3m $209.5m | Added +1.6k |
| ValueAct Holdings, L.P. 3.41% of their portfolio | 1.2m $202.3m | Reduced -198.2k |
| Baker Avenue Asset Management, LP 4.37% of their portfolio | 1.1m $182.7m | Reduced -693 |
| FIDUCIARY MANAGEMENT INC /WI/ 1.72% of their portfolio | 1.0m $170.4m | Reduced -5.7k |
| Conestoga Capital Advisors, LLC 2.37% of their portfolio | 882.4k $147.8m | Reduced -220.8k |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 846.5k $141.8m | Reduced -16.6k |
| NEUBERGER BERMAN GROUP LLC 0.10% of their portfolio | 823.7k $137.9m | Added +120.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 758.5k $127.0m | Added +13.0k |
| Burgundy Asset Management Ltd. 1.24% of their portfolio | 689.9k $131.9m | Reduced -3.9k |
| Quantinno Capital Management LP 0.26% of their portfolio | 577.8k $96.8m | Added +2.3k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 555.2k $93.0m | Added +7.6k |
| FIRST TRUST ADVISORS LP 0.07% of their portfolio | 541.1k $90.6m | Added +26.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 486.4k $81.4m | Added +2.5k |
| Champlain Investment Partners, LLC 0.56% of their portfolio | 447.3k $74.9m | Reduced -54.5k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 432.3k $72.4m | Reduced -18.6k |
| Maren Capital LLC 3.94% of their portfolio | 423.1k $70.9m | Added +41.6k |
| Port Capital LLC 2.84% of their portfolio | 406.2k $68.0m | Added +3.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 393.4k $65.9m | Added +616 |
| RAYMOND JAMES FINANCIAL INC 0.02% of their portfolio | 388.4k $65.0m | Reduced -8.4k |
| Capital International Investors 0.01% of their portfolio | 342.3k $57.3m | Unchanged |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 337.9k $56.6m | Reduced -101.3k |
| Allspring Global Investments Holdings, LLC 0.09% of their portfolio | 330.9k $55.4m | Reduced -17.6k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 319.6k $53.5m | Reduced -10.2k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 315.1k $52.8m | Added +43.1k |
| FEDERATED HERMES, INC. 0.09% of their portfolio | 310.0k $51.9m | Added +4.3k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 305.7k $51.2m | Added +12.3k |
| RIVERBRIDGE PARTNERS LLC 0.74% of their portfolio | 262.0k $43.9m | Reduced -19.7k |
| ROYCE & ASSOCIATES LP 0.44% of their portfolio | 260.6k $43.6m | Added +58.0k |
| DISCIPLINED GROWTH INVESTORS INC /MN 0.78% of their portfolio | 256.0k $42.9m | Reduced -9.6k |
| GW&K Investment Management, LLC 0.34% of their portfolio | 231.5k $38.8m | Reduced -10.2k |
| SNYDER CAPITAL MANAGEMENT L P 0.71% of their portfolio | 223.2k $37.4m | Reduced -3.6k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 221.9k $37.2m | Reduced -331.5k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio | 209.8k $35.1m | Reduced -133.5k |
| RIVULET CAPITAL, LLC 4.01% of their portfolio | 204.3k $34.2m | Reduced -59.2k |
| BROWN ADVISORY INC 0.04% of their portfolio | 196.2k $32.9m | Added +39.8k |
| T. Rowe Price Investment Management, Inc. 0.02% of their portfolio | 185.7k $31.1m | Added +67.9k |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.03% of their portfolio | 181.9k $30.5m | Unchanged |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.05% of their portfolio | 175.0k $29.3m | Added +100.0k |
| Capital World Investors 0.00% of their portfolio | 172.8k $28.9m | Added +87.1k |
| BESSEMER GROUP INC 0.04% of their portfolio | 164.2k $27.5m | Added +28.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 151.2k $25.3m | Reduced -17.4k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.02% of their portfolio | 150.5k $25.2m | Reduced -10.8k |
| SEGALL BRYANT & HAMILL, LLC 0.32% of their portfolio | 144.1k $24.1m | Reduced -309 |
| Fisher Asset Management, LLC 0.01% of their portfolio | 143.7k $24.1m | Added +7.7k |
| SEI INVESTMENTS CO 0.02% of their portfolio | 134.5k $22.5m | Reduced -1.6k |
| REGIONS FINANCIAL CORP 0.07% of their portfolio | 131.7k $22.1m | Added +66.3k |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 117.9k $19.7m | Reduced -63.2k |
| Ranger Investment Management, L.P. 1.32% of their portfolio | 112.7k $18.9m | Reduced -3.6k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 111.3k $18.6m | Reduced -2.2k |
| Cornerstone Capital, Inc. 1.71% of their portfolio | 104.3k $17.5m | Reduced -812 |
| COMERICA BANK 0.06% of their portfolio | 101.5k $17.0m | Reduced -17.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 98.0k $16.4m | Reduced -47.0k |
| ARGENT CAPITAL MANAGEMENT LLC 0.44% of their portfolio | 95.4k $16.0m | New |
| ARIEL INVESTMENTS, LLC 0.17% of their portfolio | 92.8k $15.5m | Reduced -15.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 92.4k $15.5m | Reduced -2.5k |
| WHITTIER TRUST CO 0.17% of their portfolio | 88.8k $15.2m | Added +1.4k |
| Swiss National Bank 0.01% of their portfolio | 81.1k $13.6m | Added +900 |
| North Berkeley Wealth Management, LLC 10.52% of their portfolio | 79.6k $13.3m | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 77.8k $13.0m | Reduced -6.1k |
| Nuveen, LLC 0.00% of their portfolio | 76.9k $12.9m | Reduced -1.9k |
| California Public Employees Retirement System 0.01% of their portfolio | 74.1k $12.4m | Added +888 |
| Mitsubishi UFJ Trust & Banking Corp 0.03% of their portfolio | 73.9k $12.4m | Added +22.4k |
| River Road Asset Management, LLC 0.14% of their portfolio | 73.7k $12.3m | Added +69.0k |
| DF DENT & CO INC 0.16% of their portfolio | 73.0k $12.2m | Reduced -28.5k |
| COOKE & BIELER LP 0.13% of their portfolio | 72.9k $12.2m | New |
| Invesco Ltd. 0.00% of their portfolio | 71.1k $11.9m | Reduced -8.6k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.24% of their portfolio | 65.0k $10.9m | Reduced -2.9k |
| BARCLAYS PLC 0.00% of their portfolio | 61.4k $10.3m | Reduced -3.5k |
| Potrero Capital Research LLC 3.05% of their portfolio | 60.0k $10.0m | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.02% of their portfolio | 59.6k $10.0m | Added +5.7k |
| PineStone Asset Management Inc. 0.06% of their portfolio | 56.8k $9.5m | Reduced -1.2k |
| Ceredex Value Advisors LLC 0.22% of their portfolio | 56.5k $9.5m | Reduced -24.9k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 54.7k $9.2m | Reduced -747 |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 54.6k $9.1m | Unchanged |
| Interval Partners, LP 0.19% of their portfolio | 53.8k $9.0m | Added +28.7k |
| Man Group plc 0.02% of their portfolio | 53.0k $8.9m | Added +1.5k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 51.7k $8.7m | Reduced -3.5k |
| Retirement Systems of Alabama 0.03% of their portfolio | 50.3k $8.4m | Reduced -806 |
| Point72 Asset Management, L.P. 0.02% of their portfolio | 49.6k $8.3m | Reduced -164.0k |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.09% of their portfolio | 49.6k $8.3m | Added +1.6k |
| UBS Group AG 0.00% of their portfolio | 49.1k $8.2m | Reduced -64.3k |
| WHITTIER TRUST CO OF NEVADA INC 0.18% of their portfolio | 48.4k $8.3m | Added +281 |
| Callan Family Office, LLC 0.26% of their portfolio | 48.3k $8.1m | Reduced -2.3k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 46.9k $7.8m | Reduced -3.6k |
| CITIGROUP INC 0.01% of their portfolio | 44.4k $7.4m | Added +16.9k |
| Robeco Schweiz AG 0.17% of their portfolio | 44.0k $7.4m | Unchanged |
| CHOREO, LLC 0.09% of their portfolio | 43.3k $7.3m | Added +83 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio | 41.2k $6.9m | Reduced -16.9k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 39.6k $6.6m | Added +543 |
| DekaBank Deutsche Girozentrale 0.01% of their portfolio | 39.4k $6.6m | Unchanged |
| CASTLEARK MANAGEMENT LLC 0.18% of their portfolio | 39.1k $6.5m | New |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 38.3k $6.4m | Added +200 |
| Berkeley, Inc 2.05% of their portfolio | 38.0k $6.4m | Reduced -4.2k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 36.0k $6.0m | Added +24.8k |