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SC 13G ·Filed Oct 7, 2026

GEOS

GEOSPACE TECHNOLOGIES CORP
NEUTRAL
Impact 3/10
Horizonweeks Processed19d 17h ago SEC0000903064-26-000009
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any future amendments that show position increases or a conversion to a 13D (activist filing), which would signal a change in intent. For now, this is a routine passive disclosure with no immediate trading catalyst.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
GEOS ▲ +0.22% at T+5d
NEUTRAL call +0.22% · α vs SPY +0.49% · entry $4.62 → $4.63
Next anchor: T+20d in 8d
Latest observation: T+11 +5.70% FF3 residual α
Entry = T+0 close
Oct 7, 2026
via day close
T+1d
+1.30%
call +1.30% · α +0.70%
$4.68
settled 19d ago
T+5d
+0.22%
call +0.22% · α +0.49%
$4.63
settled 13d ago
T+20d
Pending
in 8d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Grace & White Inc. /NY filed a Schedule 13G disclosing a 6.13% passive stake in Geospace Technologies Corp (GEOS) as of September 30, 2026. This is a new passive filer for GEOS, joining Vanguard and Disciplined Growth Investors who previously disclosed stakes. The filing indicates no intent to influence control, consistent with a routine passive investment.

Key Financial Metrics

Stake
6.13%
Investor
GRACE & WHITE INC /NY

Key Facts

  • Grace & White Inc. /NY disclosed beneficial ownership of 793,498 shares of GEOS common stock.
  • The stake represents 6.13% of shares outstanding as of September 30, 2026.
  • The filing is a new Schedule 13G (not an amendment), indicating a new 5%+ position.
  • The filer certifies the securities were acquired and are held in the ordinary course of business, not to influence control.
  • Grace & White Inc. is an investment adviser (IA) based in New York, NY.

Financial Impact

Passive 6.13% stake with no disclosed transaction price or total value; no material financial impact.

Risk Factors

  • No disclosed intent to influence management; passive filing limits near-term catalyst potential.
  • Stake size (6.13%) is moderate; not large enough to signal exceptional conviction.

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
SC 13G Filing (Primary)0000903064-26-000009
Document: 0000903064-26-000009-index.html0000903064-26-000009
Document: 0000903064-26-000009.txt0000903064-26-000009
4 reports for GEOS
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for GEOS — sortable, filterable
TypeNow
Oct 7, 2026
19d ago
SC 13G
NEUTRAL ★ 3/10
$4.62awaiting T+20—$4.50 (−2.60%)
Aug 7, 2026
11w ago
8-K
BEARISH ★ 7/10
$5.85 $5.38▲ +8.03%▲ +7.64%$4.50 (+23.08%)
Jun 11, 2026
19w ago
Institutional Cluster
NEUTRAL ★ 2/10
$7.37 $7.19▼ −2.44%▼ −4.33%$4.50 (−38.94%)
May 7, 2026
24w ago
8-K
MIXED ★ 5/10
$8.40 $7.70▼ −8.33%▼ −8.36%$4.50 (−46.43%)
Showing 4 of 4

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Report published Oct 7, 2026