Geospace Technologies CORP Schedule 13G passive stakes
Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.
NASDAQ
Vanguard Capital Management has reported a beneficial ownership of 4.61% in Geospace Technologies Corp., holding 596,679 shares.
NASDAQ
Disciplined Growth Investors, Inc. has filed an amendment reporting an 8.5% beneficial ownership stake in Geospace Technologies Corp.
NASDAQ
Vanguard Capital Management has filed a Schedule 13G reporting a 5.1% beneficial ownership stake in Geospace Technologies Corp.
NASDAQ
The Vanguard Group has filed an amended Schedule 13G, reporting 0% beneficial ownership in Geospace Technologies Corp following an internal realignment.
NASDAQ
The Vanguard Group has reported a 5.02% beneficial ownership stake in Geospace Technologies Corp, holding 648,222 common shares.
NASDAQ
Disciplined Growth Investors, Inc. has reported a 9.0% beneficial ownership stake in Geospace Technologies Corp., holding 1,153,589 shares of common stock.
NASDAQ
The Vanguard Group disclosed a 4.94% beneficial ownership in Geospace Technologies Corp, holding 634,463 common shares as of September 30, 2025.
NASDAQ
SCHEDULE 13G/A: Dimensional Fund Advisors Reports 4.9% Stake in Geospace
Dimensional Fund Advisors LP has reported a 4.9% beneficial ownership stake in Geospace Technologies Corp, holding 628,404 shares of common stock.
NASDAQ
Disciplined Growth Investors, Inc. has disclosed a 9.7% passive ownership stake in Geospace Technologies Corp, holding 1,244,769 common shares.
NASDAQ
SCHEDULE 13G/A: BlackRock Amends Passive Stake in Geospace Technologies to 2.7%
BlackRock, Inc. has filed an amended Schedule 13G, disclosing a 2.7% beneficial ownership stake in Geospace Technologies Corporation as of June 30, 2025.
NASDAQ
SCHEDULE 13G/A: Disciplined Growth Investors Discloses 9.9% Passive Stake in Geospace Technologies Corp.
Disciplined Growth Investors, Inc. has disclosed a 9.9% passive ownership stake in Geospace Technologies Corp., holding 1,268,330 shares of Class A Common Stock.
NASDAQ
Disciplined Growth Investors, Inc. has filed an amended Schedule 13G, reporting a beneficial ownership of 11.2% of Geospace Technologies Corp's Class A Common Stock as of December 31, 2024.
NASDAQ
Tieton Capital Management, LLC has filed an amended Schedule 13G, reporting a 6.9% beneficial ownership stake in Geospace Technologies Corporation as of December 31, 2024.
NASDAQ
Dimensional Fund Advisors LP filed a Schedule 13G, reporting beneficial ownership of 5.1% of Geospace Technologies Corp's common stock as of December 31, 2024.