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SC 13G ·Filed Oct 8, 2026

HFWA

HERITAGE FINANCIAL CORP /WA/
NEUTRAL
Impact 3/10
Horizonmonths Processed17d 20h ago SEC0000354204-26-001080
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any subsequent 13D conversion or additional 13G amendments from Dimensional or other institutional filers. The passive nature of this filing suggests no near-term catalyst, but the accumulation by a systematic quant manager may reflect a value-oriented thesis on regional banks.

DirectionNeutral
Confidencehigh
Horizonmonths
Latest settled — T+5d
HFWA ▼ -0.54% at T+5d
NEUTRAL call -0.54% · α vs SPY -0.27% · entry $27.57 → $27.42
Next anchor: T+20d in 10d
Latest observation: T+11 +3.90% FF3 residual α
Entry = T+0 close
Oct 8, 2026
via day close
T+1d
-1.49%
call -1.49% · α -2.09%
$27.16
settled 17d ago
T+5d
-0.54%
call -0.54% · α -0.27%
$27.42
settled 11d ago
T+20d
Pending
in 10d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Dimensional Fund Advisors LP disclosed a 5.5% passive stake in Heritage Financial Corp via a Schedule 13G filed October 8, 2026, as of September 30, 2026. This is a new passive filing by a large quantitative asset manager, indicating routine portfolio rebalancing rather than an activist intent.

Key Financial Metrics

Stake
5.5%
Investor
Dimensional Fund Advisors LP
Investor Type
mutual fund

Key Facts

  • Dimensional Fund Advisors LP reported beneficial ownership of 2,269,348 shares of Heritage Financial Corp common stock.
  • The stake represents 5.5% of shares outstanding as of September 30, 2026.
  • The filing is a new Schedule 13G (not an amendment), indicating a new 5%+ threshold crossing.
  • Dimensional is a registered investment adviser and disclaims beneficial ownership, stating shares are held by client funds.
  • The filing certifies the securities were acquired in the ordinary course of business with no intent to influence control.

Financial Impact

5.5% passive stake in Heritage Financial Corp — no financial impact from the filing itself.

Risk Factors

  • No material risk from this passive filing; the stake is routine for a diversified asset manager.

Investment Themes

Traditional Finance

Documents Analyzed

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

DocumentAccession Number
SC 13G Filing (Primary)0000354204-26-001080
Document: 0000354204-26-001080-index.html0000354204-26-001080
Document: 0000354204-26-001080.txt0000354204-26-001080
7 reports for HFWA
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for HFWA — sortable, filterable
TypeNow
Oct 22, 2026
3d ago
8-K
MIXED ★ 5/10
$28.52awaiting T+60—$29.43 (+3.21%)
Oct 8, 2026
17d ago
SC 13G
NEUTRAL ★ 3/10
$27.57awaiting T+60—$29.43 (+6.76%)
Sep 30, 2026
25d ago
Press Release
NEUTRAL ★ 1/10
$27.63awaiting T+60—$29.43 (+6.53%)
Aug 5, 2026
11w ago
Insider Cluster
NEUTRAL ★ 3/10
$29.65awaiting T+60—$29.43 (−0.73%)
Jul 23, 2026
13w ago
8-K
NEUTRAL ★ 5/10
$30.16 $27.46▼ −8.95%▼ −12.68%$29.43 (−2.40%)
Mar 23, 2026
31w ago
8-K
BEARISH ★ 6/10
$25.06 $27.52▼ −9.82%▲ +3.24%$29.43 (−17.46%)
Mar 20, 2026
31w ago
DEFA14A
NEUTRAL ★ 2/10
$24.47 $29.04▲ +18.65%▲ +4.23%$29.43 (+20.27%)
Showing 7 of 7

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Report published Oct 8, 2026