SIMPSON MANUFACTURING CO INC (SSD) Institutional Shareholders
SIMPSON MANUFACTURING CO INC (SSD) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $8.48B in SSD holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of SSD tracked by InsiderSet, reporting ownership valued at approximately $862.14M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $798.02M, representing an estimated loss of -7.44% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed SSD value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Kayne Anderson Rudnick Investment Management Llc, and several other long-term asset managers with concentrated positions in SIMPSON MANUFACTURING CO INC (SSD).
This page ranks the largest institutional SSD shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
474
Total Reported Value
$8.48B
Largest Holder
Blackrock, Inc.
Largest Position
$862.14M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
45
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 4,118,164 | $862,137,630 | $798,017,820 | -$64,119,810 | -7.44% | |
| Fmr Llc | 0.03% | 3,669,547 | $768,219,755 | $711,084,818 | -$57,134,937 | -7.44% | |
| Kayne Anderson Rudnick Investment Management Llc | 2.32% | 3,568,049 | $746,971,245 | $691,416,535 | -$55,554,710 | -7.44% | |
| Vanguard Portfolio Management Llc | 0.02% | 1,924,650 | $402,925,478 | $372,958,677 | -$29,966,801 | -7.44% | |
| Vanguard Capital Management Llc | 0.01% | 1,854,556 | $388,251,299 | $359,375,862 | -$28,875,437 | -7.44% | |
| State Street Corp | 0.01% | 1,308,394 | $273,910,153 | $253,540,589 | -$20,369,564 | -7.44% | |
| Morgan Stanley | 0.01% | 1,201,143 | $251,459,603 | $232,757,491 | -$18,702,112 | -7.44% | |
| Baker Avenue Asset Management, Lp | 3.64% | 914,514 | $191,453,506 | $177,214,523 | -$14,238,983 | -7.44% | |
| Dimensional Fund Advisors Lp | 0.03% | 887,760 | $185,853,783 | $172,030,133 | -$13,823,650 | -7.44% | |
| Quantinno Capital Management Lp | 0.22% | 862,031 | $180,466,256 | $167,044,367 | -$13,421,889 | -7.44% | |
| ValueAct Holdings | Jeffrey Ubben | 3.09% | 830,642 | $173,894,903 | $160,961,807 | -$12,933,096 | -7.44% |
| Geode Capital Management, Llc | 0.01% | 783,269 | $164,018,112 | $151,781,867 | -$12,236,245 | -7.46% | |
| Capital International Investors | 0.03% | 648,641 | $135,792,993 | $125,693,653 | -$10,099,340 | -7.44% | |
| Bank Of Montreal | 0.05% | 642,267 | $134,458,597 | $124,458,499 | -$10,000,098 | -7.44% | |
| Neuberger Berman Group Llc | 0.08% | 606,113 | $126,889,851 | $117,452,577 | -$9,437,274 | -7.44% | |
| Northern Trust Corp | 0.01% | 600,268 | $125,666,106 | $116,319,933 | -$9,346,173 | -7.44% | |
| First Trust Advisors Lp | 0.07% | 583,523 | $122,160,120 | $113,075,087 | -$9,085,033 | -7.44% | |
| Massachusetts Financial Services Co | 0.04% | 542,592 | $115,923,922 | $105,143,478 | -$10,780,444 | -9.30% | |
| Jpmorgan Chase & Co | 0.01% | 525,383 | $110,325,933 | $101,808,718 | -$8,517,215 | -7.72% | |
| Maren Capital Llc | 4.98% | 513,029 | $107,402,638 | $99,414,760 | -$7,987,878 | -7.44% | |
| Charles Schwab Investment Management Inc | 0.01% | 502,362 | $105,169,485 | $97,347,708 | -$7,821,777 | -7.44% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 502,362 | $105,169,485 | $97,347,708 | -$7,821,777 | -7.44% | |
| Goldman Sachs Group Inc | 0.01% | 451,848 | $94,594,466 | $87,559,105 | -$7,035,361 | -7.44% | |
| Victory Capital Management Inc | 0.05% | 442,833 | $92,707,088 | $85,812,179 | -$6,894,909 | -7.44% | |
| Norges Bank | 0.01% | 434,349 | $90,930,963 | $84,168,149 | -$6,762,814 | -7.44% | |
| Fiduciary Management Inc | 1.21% | 404,809 | $84,746,764 | $78,443,888 | -$6,302,876 | -7.44% | |
| Port Capital Llc | 3.37% | 394,379 | $82,563,244 | $76,422,763 | -$6,140,481 | -7.44% | |
| Wells Fargo & Company/Mn | 0.01% | 377,727 | $79,077,106 | $73,195,938 | -$5,881,168 | -7.44% | |
| Conestoga Capital Advisors, Llc | 1.72% | 377,341 | $78,996,397 | $73,121,139 | -$5,875,258 | -7.44% | |
| Snyder Capital Management L P | 1.09% | 301,491 | $63,117,141 | $58,422,926 | -$4,694,215 | -7.44% | |
| Brown Advisory Inc | 0.10% | 296,579 | $62,088,755 | $57,471,079 | -$4,617,676 | -7.44% | |
| Bank Of New York Mellon Corp | 0.01% | 282,765 | $59,196,898 | $54,794,202 | -$4,402,696 | -7.44% | |
| Royce & Associates Lp | 0.47% | 277,357 | $58,064,688 | $53,746,239 | -$4,318,449 | -7.44% | |
| Raymond James Financial Inc | 0.02% | 270,141 | $56,553,945 | $52,347,923 | -$4,206,022 | -7.44% | |
| Capital World Investors | 0.01% | 266,953 | $55,886,611 | $51,730,152 | -$4,156,459 | -7.44% | |
| Bank Of America Corp | 0.00% | 264,071 | $55,283,348 | $51,171,678 | -$4,111,670 | -7.44% | |
| Vanguard Fiduciary Trust Co | 0.01% | 259,939 | $54,418,230 | $50,370,979 | -$4,047,251 | -7.44% | |
| Allspring Global Investments Holdings, Llc | 0.08% | 263,891 | $53,680,707 | $51,136,798 | -$2,543,909 | -4.74% | |
| Federated Hermes, Inc. | 0.07% | 241,257 | $50,507,152 | $46,750,781 | -$3,756,371 | -7.44% | |
| Disciplined Growth Investors | Fred Martin | 0.85% | 240,664 | $50,383,113 | $46,635,870 | -$3,747,243 | -7.44% |
| Schroder Investment Management Group | 0.03% | 230,727 | $48,275,010 | $44,710,278 | -$3,564,732 | -7.38% | |
| Aqr Capital Management Llc | 0.02% | 219,114 | $45,871,597 | $42,459,911 | -$3,411,686 | -7.44% | |
| Champlain Investment Partners, Llc | 1.16% | 214,765 | $44,961,053 | $41,617,162 | -$3,343,891 | -7.44% | |
| Manufacturers Life Insurance Company, The | 0.03% | 203,524 | $42,607,749 | $39,438,881 | -$3,168,868 | -7.44% | |
| Nomura Asset Management International Inc. | 0.06% | 186,383 | $39,019,000 | $36,117,298 | -$2,901,702 | -7.44% | |
| Segall Bryant & Hamill, Llc | 0.40% | 160,912 | $33,686,927 | $31,181,527 | -$2,505,400 | -7.44% | |
| Ranger Investment Management, L.P. | 2.01% | 151,834 | $31,786,448 | $29,422,393 | -$2,364,055 | -7.44% | |
| Sei Investments Co | 0.03% | 148,018 | $30,987,644 | $28,682,928 | -$2,304,716 | -7.44% | |
| Cornerstone Capital, Inc. | 2.68% | 143,047 | $29,946,889 | $27,719,648 | -$2,227,241 | -7.44% | |
| Invesco Ltd. | 0.00% | 135,229 | $28,310,190 | $26,204,676 | -$2,105,514 | -7.44% |
Frequently asked questions about SSD
Who owns the most SSD stock?
The largest holders of SSD are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for SIMPSON MANUFACTURING CO INC (SSD).
Is SSD widely held by superinvestors?
Many widely followed stocks like SSD appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly SSD is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.