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SSD

Simpson Manufacturing Co., Inc.
$192.11 -5.51 (-2.79%) At close · Jul 7
Market Cap
$7.70B
Shares
41,138,325

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 459
Total Value: $6,699,905,009
Total Shares: 39,036,239
Showing 1–100 of 462 holdings by value · page 1 of 5

Institutional Ownership Trend

26 quarters

Superinvestors Holding SSD

All superinvestors →
Mason Morfit $239,931,968 Joel Greenblatt $21,570,574

Holder Concentration

Across 459 13F filers
Top Holder
10.3%
Jun 2023 → Mar 2026 · range 9.6% – 13.2%
of institutional value
Top 5
35.4%
Jun 2023 → Mar 2026 · range 35.4% – 44.8%
of institutional value
Top 10
48.8%
Jun 2023 → Mar 2026 · range 48.8% – 59.7%
of institutional value
HHI
367
Jun 2023 → Mar 2026 · range 367 – 563
Broadly held
Showing 100 of 462
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $691,929,956 10.33% 4,031,756
Large KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC $666,820,756 9.95% 3,885,449
Mega FMR LLC $454,158,347 6.78% 2,646,302
Mega VANGUARD CAPITAL MANAGEMENT LLC $319,907,746 4.77% 1,864,047
Mid ValueAct Holdings, L.P. $239,931,968 3.58% 1,398,042
Mega MORGAN STANLEY $222,635,927 3.32% 1,297,261
Mega STATE STREET CORP $218,161,284 3.26% 1,271,188
Mid Baker Avenue Asset Management, LP $156,981,157 2.34% 914,702
Mega DIMENSIONAL FUND ADVISORS LP $149,382,336 2.23% 870,425
Large Quantinno Capital Management LP $147,235,887 2.20% 857,918
Mega GEODE CAPITAL MANAGEMENT, LLC $135,179,409 2.02% 787,667
Mega NEUBERGER BERMAN GROUP LLC $130,447,675 1.95% 760,096
Mega Capital International Investors $113,817,525 1.70% 663,195
Mega BANK OF MONTREAL /CAN/ Bank $111,209,929 1.66% 648,001
Mid Conestoga Capital Advisors, LLC $103,878,325 1.55% 605,281
Mega FIRST TRUST ADVISORS LP $99,917,335 1.49% 582,201
Mega NORTHERN TRUST CORP Bank $99,707,098 1.49% 580,976
Mega JPMORGAN CHASE & CO $97,516,712 1.46% 568,213
Mid Maren Capital LLC $87,593,131 1.31% 510,390
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $86,958,995 1.30% 506,695
Mid FIDUCIARY MANAGEMENT INC /WI/ $74,518,948 1.11% 434,209
Mega VICTORY CAPITAL MANAGEMENT INC $72,709,558 1.09% 423,666
Mega GOLDMAN SACHS GROUP INC $71,086,205 1.06% 414,207
Mid Port Capital LLC $70,032,801 1.05% 408,069
Mega WELLS FARGO & COMPANY/MN $68,277,985 1.02% 397,844
Mega RAYMOND JAMES FINANCIAL INC $55,614,147 0.83% 324,054
Mid SNYDER CAPITAL MANAGEMENT L P $53,047,570 0.79% 309,099
Large Allspring Global Investments Holdings, LLC $52,176,598 0.78% 304,024
Large BROWN ADVISORY INC $52,107,949 0.78% 303,624
Mega Bank of New York Mellon Corp Bank $50,904,374 0.76% 296,611
Mega BANK OF AMERICA CORP /DE/ Bank $49,995,306 0.75% 291,314
Mid ROYCE & ASSOCIATES LP $49,050,197 0.73% 285,807
Mega VANGUARD FIDUCIARY TRUST CO Bank $44,290,145 0.66% 258,071
Mid Champlain Investment Partners, LLC $43,681,580 0.65% 254,525
Large FEDERATED HERMES, INC. $43,152,646 0.64% 251,443
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $42,436,477 0.63% 247,270
Mid DISCIPLINED GROWTH INVESTORS INC /MN $41,457,385 0.62% 241,565
Large GW&K Investment Management, LLC $36,474,913 0.54% 212,533
Mega PRICE T ROWE ASSOCIATES INC /MD/ $35,274,088 0.53% 205,536
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $34,245,569 0.51% 199,543
Mega STATE FARM MUTUAL AUTOMOBILE INSURANCE CO Insurance $31,213,044 0.47% 181,873
Large BESSEMER GROUP INC $31,145,595 0.46% 181,480
Mid RIVERBRIDGE PARTNERS LLC $31,059,272 0.46% 180,977
Mega AQR CAPITAL MANAGEMENT LLC $30,715,169 0.46% 178,972
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $29,819,489 0.45% 173,753
Mega ROYAL BANK OF CANADA Bank $29,758,044 0.44% 173,395
Mega Capital World Investors $29,658,167 0.44% 172,813
Large SEI INVESTMENTS CO $28,008,555 0.42% 163,201
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $27,030,150 0.40% 157,500
Mid Ranger Investment Management, L.P. $26,585,825 0.40% 154,911
Mid SEGALL BRYANT & HAMILL, LLC $25,903,636 0.39% 150,936
Mega AMERIPRISE FINANCIAL INC $24,832,897 0.37% 144,697
Mid COOKE & BIELER LP $23,311,831 0.35% 135,834
Mega T. Rowe Price Investment Management, Inc. $22,171,759 0.33% 129,191
Mega ENVESTNET ASSET MANAGEMENT INC $22,152,194 0.33% 129,077
Large Gotham Asset Management, LLC $21,570,574 0.32% 125,688
Large Select Equity Group, L.P. $21,017,958 0.31% 122,468
Mid River Road Asset Management, LLC $20,423,123 0.30% 119,002
Mega RHUMBLINE ADVISERS $18,773,340 0.28% 109,389
Large FIFTH THIRD BANCORP Bank $18,201,502 0.27% 106,057
Small Cornerstone Capital, Inc. $18,131,996 0.27% 105,652
Mid WHITTIER TRUST CO Bank $16,737,926 0.25% 97,529
Mega Clearbridge Investments, LLC $16,266,486 0.24% 94,782
Mega PRINCIPAL FINANCIAL GROUP INC $15,883,087 0.24% 92,548
Mid ARIEL INVESTMENTS, LLC $15,746,133 0.24% 91,750
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $15,558,549 0.23% 90,657
Mega D. E. Shaw & Co., Inc. $14,152,300 0.21% 82,463
Mega Swiss National Bank Bank $14,090,002 0.21% 82,100
Mega JANE STREET GROUP, LLC $13,815,238 0.21% 80,499
Mid ARGENT CAPITAL MANAGEMENT LLC $13,690,642 0.20% 79,773
Micro North Berkeley Wealth Management, LLC $13,659,235 0.20% 79,590
Mega Nuveen, LLC $13,293,855 0.20% 77,461
Mid KENNEDY CAPITAL MANAGEMENT LLC $13,199,809 0.20% 76,913
Mega California Public Employees Retirement System Pension $12,699,193 0.19% 73,996
Mid DF DENT & CO INC $11,784,630 0.18% 68,667
Large Treasurer of the State of North Carolina $11,475,714 0.17% 66,867
Mega Invesco Ltd. $11,248,658 0.17% 65,544
Large STATE OF WISCONSIN INVESTMENT BOARD $10,312,817 0.15% 60,091
Mid REGIONS FINANCIAL CORP $10,259,958 0.15% 59,783
Mega UBS Group AG $10,107,558 0.15% 58,895
Large Man Group plc $9,879,476 0.15% 57,566
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $9,861,456 0.15% 57,461
Mega Legal & General Group Plc $9,534,176 0.14% 55,554
Large SG Americas Securities, LLC Broker-Dealer $9,506,546 0.14% 55,393
Large Verition Fund Management LLC $9,429,832 0.14% 54,946
Mid Callan Family Office, LLC Family Office $8,966,458 0.13% 52,246
Mega ALLIANCEBERNSTEIN L.P. $8,921,837 0.13% 51,986
Mega CITIGROUP INC $8,789,517 0.13% 51,215
Large Retirement Systems of Alabama Pension $8,722,758 0.13% 50,826
Mid WHITTIER TRUST CO OF NEVADA INC Bank $8,700,961 0.13% 50,699
Mid Ceredex Value Advisors LLC $8,263,503 0.12% 48,150
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $8,158,471 0.12% 47,538
Large STIFEL FINANCIAL CORP $8,036,620 0.12% 46,828
Mid EULAV Asset Management $7,928,844 0.12% 46,200
Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $7,645,842 0.11% 44,551
Mid Robeco Schweiz AG $7,551,280 0.11% 44,000
Mega BARCLAYS PLC $7,547,159 0.11% 43,976
Large MARSHALL WACE, LLP $7,520,214 0.11% 43,819
Mid CHOREO, LLC $7,455,687 0.11% 43,443
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $7,292,991 0.11% 42,495
Key facts CIK 920371 CUSIP 829073105 13F (30d) 15 filings 14 filers Visit website Investor relations

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