Security key
37364X109
GEOSPACE TECHNOLOGIES CORP - Common Stock (GEOS)
CUSIP: 37364X109
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 7,049,687
- Total 13F value
- $133,655,336
- Share change
- -275,408
- Put/Call ratio
- 23%
- SEC-reported price per share
- $18.96
- Number of holders
- 69
- Value change
- -$4,677,131
- Number of buys
- 36
- Number of sells
- 35
- Shares outstanding
- 12,943,145
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
69
Top holders
10
GEOS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
GEOSPACE TECHNOLOGIES CORP SEC filings
GEOSPACE TECHNOLOGIES CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 37364X109
Recent filing periods:
Ownership snapshot
Top reported holders of GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Tieton Capital Management...
Disclosed value leader
DISCIPLINED GROWTH INVEST...
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
13D/G
Lead comparable stake: 6.9%
13D/G row: Tieton Capital Management, LLC
Showing 1-6 of 15 holder rows.
Quick read
Tieton Capital Management, LLC leads the comparable SEC ownership view at 6.9%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Tieton Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Tieton Capital Management, LLC
6.9%
DIMENSIONAL FUND ADVISORS LP
4.9%
BlackRock, Inc.
2.7%
DISCIPLINED GROWTH INVESTORS INC /MN
9.6%
Moors & Cabot, Inc.
5.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Tieton Capital Management, LLC |
13F
13D/G
Company
|
6.9%
from 13D/G
|
$12,252,000
859,177 shares
|
— | 30 Jun 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
4.9%
|
$10,412,654
628,404 shares
|
-$356,736 | 30 Sep 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
2.7%
from 13D/G
|
$5,888,540
412,941 shares
|
— | 30 Jun 2025 |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13F
Company
|
9.6%
|
$17,750,406
1,244,769 shares
|
— | 30 Jun 2025 |
| Moors & Cabot, Inc. |
13F
Company
|
5.9%
|
$10,903,196
764,600 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
5.1%
|
$9,393,319
658,718 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
69
Shares
7,049,687
Rows available
69
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
62
Q3 2025 holders
69
Holder diff
7
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend