Simpson Manufacturing Co., Inc.· SSD

🇺🇸 US · MidSP400NYSE

Basic Materials Construction Materials Website

Price: $171.23
Day: -0.70%
Mkt Cap: $7.04B
52W Range: $156.32 – $213.49
Volume: 712.4K
Beta: 1.31

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 3.1 / 5 (Neutral), from 3 of 3 components
Institutions Q2 2026: 495 institutions hold; 227 added, 181 reduced
Insiders Q3 2026: no purchases, 2 sales ($761.8K)

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Simpson Manufacturing Co., Inc.

SSD|Basic Materials|Construction Materials

Current price: $171

Smart Money

Dimension 5 of 5

Insider selling pace · Q3 2026

3.0x

vs own 6-quarter average

Seller breadth · Q3 2026

2 sellers

vs 1.8 avg per quarter

Institutional net breadth · Q2 2026

+71

304 adding vs 233 reducing

Institutional ownership · Q2 2026

N/A

overlapping 13F filings

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

BLACKROCK, INC.

4.1M

+2.8%

FMR LLC

3.7M

+39.6%

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

3.6M

-7.6%

VANGUARD PORTFOLIO MANAGEMENT LLC

1.9M

+0.5%

VANGUARD CAPITAL MANAGEMENT LLC

1.9M

+0.1%

STATE STREET CORP

1.3M

+3.6%

ETF & Fund Activity, Q2 2026

How the covering funds split between buying, holding and selling

141

90 buying141 unchanged81 selling

312 funds held SSD in Q2 2026, holding 21.0M shares between them, up 2.3% on the quarter.

Largest fund holders

SPDR SERIES TRUST283.8K sh

Absolute Shares Trust13.5K sh

FORUM FUNDS10.8K sh

Notable Insider Transactions, Q3 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · Sep 10

Olosky Michael

$605.3K

Sale · Aug 1

Gilstrap Jeremy

$445.7K

Sale · Dec 12

Donaldson Philip E

$399.4K

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

Explore SSD on stockoscope.com→

Generated September 21, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

SSD Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.1/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

-14

Institutional Flow

50% weight

+22

Fund Flow

10% weight

Overall Smart Money sentiment of 3.1/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 20, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for SSD

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Neutral

Routine insider selling in Q3 2026

2 sales totaling $761.8K (4.3K shares)

Share volume is elevated at 3.0x the historical average

Sell-only pattern: no insider purchases across 15 quarters

Net insider flow has deteriorated over recent quarters

3.0x

Selling pace

vs own 6-qtr average

Elevated

0.37%

Stake sold

of active insiders' holdings

2 sellers

Seller breadth

vs 1.2 avg per quarter

None

Insider buying

in the last 16 quarters

Notable Recent Transactions, SSD

Top 8 highest-value insider trades from the last 8 quarters

Olosky Michael

CEO

Sell

3,502 shares at $172.84

≈6.4% of their stake at the time

Sep 10, 2026$605.29K

Gilstrap Jeremy

EVP, Innovation

Sell

2,500 shares at $178.27

≈24.3% of their stake at the time

Aug 1, 2025$445.68K

Donaldson Philip E

Director

Sell

2,375 shares at $168.16

≈28.1% of their stake at the time

Dec 12, 2025$399.38K

Andersen Michael

EVP, Europe

Sell

1,000 shares at $196.13

≈11.4% of their stake at the time

Aug 25, 2025$196.13K

Andersen Michael

EVP, Europe

Sell

1,000 shares at $169.98

≈10.2% of their stake at the time

Feb 25, 2025$169.98K

ANDRASICK JAMES S

Director

Sell

800 shares at $195.62

≈92.9% of their stake at the time

Aug 4, 2026$156.50K

ANDRASICK JAMES S

Director

Sell

866 shares at $165.38

≈52.5% of their stake at the time

May 14, 2025$143.22K

Lutz Jennifer

EVP, Human Resources

Sell

700 shares at $184.47

≈17.4% of their stake at the time

Dec 3, 2024$129.13K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for SSD

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

13F filings cover more than 100% of shares this quarter (overlapping reports), so ownership and share-flow figures are unreliable

Slight accumulation: 304 adding vs 233 reducing

+71

Net breadth

304 adding vs 233 reducing

Accumulating

1.30

Add / reduce ratio

in Q2 2026

+25

New − closed

77 initiated, 52 exited

8 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+304 growing-233 shrinkingNet: +71

227

181

New (77)

Increased (227)

Reduced (181)

Closed (52)

Top Institutional Holders, SSD

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

4.1M

$862.1M

Ownership

10.05%

+2.8%

FMR LLC

3.7M

$768.2M

Ownership

8.96%

+39.6%

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

3.6M

$747.0M

Ownership

8.71%

-7.6%

VANGUARD PORTFOLIO MANAGEMENT LLC

1.9M

$402.9M

Ownership

4.70%

+0.5%

VANGUARD CAPITAL MANAGEMENT LLC

1.9M

$388.3M

Ownership

4.53%

+0.1%

STATE STREET CORP

1.3M

$273.9M

Ownership

3.19%

+3.6%

MORGAN STANLEY

1.2M

$251.5M

Ownership

2.93%

-6.8%

BAKER AVENUE ASSET MANAGEMENT, LP

914.5K

$191.5M

Ownership

2.23%

+0.6%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 312 ETFs and mutual funds reporting

90 buying81 sellingNet: +9

141

Buying (90)

Unchanged (141)

Selling (81)

In total, funds bought 1.4M shares and sold 890.6K this quarter. Each fund counts once in the bar above, whatever the size of its move.

Neutral

Mixed fund activity in Q2 2026

312 ETFs and mutual funds reporting

90 buying vs 81 selling (balanced)

Top Fund Holders, SSD

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

283.8K

Weight

1.40%

Jul 31, 2026No change

Absolute Shares Trust

13.5K

Weight

3.65%

Jun 30, 2026No change

FORUM FUNDS

10.8K

Weight

50.41%

Jul 31, 2026No change

THRIVENT SERIES FUND INC

9.1K

Weight

0.01%

Jun 30, 2026Decreased

BAIRD FUNDS INC

6.3K

Weight

0.00%

Jun 30, 2026Decreased

MFS VARIABLE INSURANCE TRUST II

6.1K

Weight

0.00%

Jun 30, 2026Increased

AB VARIABLE PRODUCTS SERIES FUND, INC.

6.0K

Weight

0.26%

Jun 30, 2026No change

GLENMEDE FUND INC

5.7K

Weight

0.34%

Jul 31, 2026No change

Simpson Manufacturing Co., Inc.· SSD

Holdings Analysis

Insider Trading Activity

1.3Transaction History229Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings147Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History229Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings147Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights