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SC 13G ·Filed Oct 8, 2026

SON

SONOCO PRODUCTS CO
NEUTRAL
Impact 3/10
Horizonweeks Processed19d 3h ago SEC0000354204-26-001065
Passive investor 5%+ stake
Actionable Insight • Neutral

Dimensional's new 5.4% passive stake adds a large index-oriented holder to the register. Monitor for any subsequent 13D conversion or stake increases in future filings, but the passive nature suggests no near-term catalyst. The filing is consistent with Dimensional's typical quantitative, factor-based investment approach.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
SON ▲ +2.60% at T+5d
NEUTRAL call +2.60% · α vs SPY +2.88% · entry $48.40 → $49.66
Next anchor: T+20d in 9d
Latest observation: T+11 +0.03% FF3 residual α
Entry = T+0 close
Oct 8, 2026
via day close
T+1d
-0.99%
call -0.99% · α -1.59%
$47.92
settled 18d ago
T+5d
+2.60%
call +2.60% · α +2.88%
$49.66
settled 12d ago
T+20d
Pending
in 9d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Dimensional Fund Advisors LP disclosed a 5.4% passive stake in Sonoco Products Co via Schedule 13G, holding 5,312,842 shares as of September 30, 2026. This is a new filing by Dimensional, not an amendment, indicating a fresh position above the 5% threshold. The filing is routine for a passive index-oriented manager and does not signal any intent to influence management.

Key Financial Metrics

Stake
5.4%
Investor
Dimensional Fund Advisors LP

Key Facts

  • Dimensional Fund Advisors LP holds 5,312,842 shares of Sonoco Products Co common stock.
  • The stake represents 5.4% of shares outstanding as of September 30, 2026.
  • Dimensional is an investment adviser registered under Section 203 of the Investment Advisers Act of 1940.
  • The filing is a new Schedule 13G, not an amendment, indicating a new 5%+ position.
  • Dimensional disclaims beneficial ownership; shares are held by client funds.
  • The filing certifies the securities were acquired in the ordinary course of business with no intent to change or influence control.

Financial Impact

5.4% passive stake with no disclosed dollar value; filing does not provide cost basis or market value.

ownership

Risk Factors

  • Dimensional could reduce or exit the position without further disclosure until below 5%.
  • No activist intent is signaled, limiting near-term price impact.

Investment Themes

Materials & Mining

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0000354204-26-001065
Document: 0000354204-26-001065-index.html0000354204-26-001065
Document: 0000354204-26-001065.txt0000354204-26-001065
15 reports for SON
Performance horizon
67% Hit rate @ T+20 2 of 3 directional calls Went positive at some point 4 of 5 best @ T+60▲ +14.59%Apr 29, 2026
Filters
Rows
Reports for SON — sortable, filterable
TypeNow
Oct 21, 2026
6d ago
8-K
BEARISH ★ 7/10
$50.27awaiting T+20—$49.30 (+1.93%)
Oct 21, 2026
6d ago
Press Release
BEARISH ★ 6/10
$50.27awaiting T+20—$49.30 (+1.93%)
Oct 20, 2026
7d ago
Press Release
NEUTRAL ★ 2/10
$50.83awaiting T+20—$49.30 (−3.01%)
Oct 8, 2026
19d ago
SC 13G
NEUTRAL ★ 3/10
$48.40awaiting T+20—$49.30 (+1.86%)
Jul 22, 2026
13w ago
Press Release
NEUTRAL ★ 4/10
$56.32 $58.33▲ +3.57%▲ +0.26%$49.30 (−12.46%)
Jul 15, 2026
14w ago
Press Release
NEUTRAL ★ 2/10
$53.73 $58.10▲ +8.13%▲ +5.79%$49.30 (−8.24%)
Jun 11, 2026
19w ago
Institutional Cluster
BEARISH ★ 5/10
$50.53 $55.06▼ −8.96%▼ −7.07%$49.30 (+2.43%)
May 11, 2026
24w ago
8-K
NEUTRAL ★ 2/10
$51.07 $49.90▼ −2.29%▼ −1.99%$49.30 (−3.47%)
Apr 29, 2026
25w ago
Insider Cluster
NEUTRAL ★ 3/10
$49.15 $49.52▲ +0.75%▼ −5.29%$49.30 (+0.31%)
Apr 29, 2026
25w ago
Insider Cluster
BULLISH ★ 5/10
$49.15 $49.52▲ +0.75%▼ −5.29%$49.30 (+0.31%)
Showing 10 of 15

US Market Status

Market Closed — Opens Wed (15h 37m)

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Report published Oct 8, 2026