What does CUSIP 37364X109 represent in this 13F holders report?

CUSIP 37364X109 is the security identifier for GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock used to aggregate holder disclosures.

How many institutions held GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock in Q2 2021?

43 institutional investors reported GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock for Q2 2021. Use the holders table for investor-level position and value details.

GEOSPACE TECHNOLOGIES CORP - Common Stock (GEOS)

CUSIP: 37364X109

Q2 2021 13F Holders as of 30 Jun 2021

Type / Class: Equity / Common Stock
Shares outstanding: 12,957,953
Total 13F shares: 8,211,485
Share change: +497,955
Total reported value: $66,427,052
Price per share: $8.09
Number of holders: 43
Value change: +$3,945,960
Number of buys: 17
Number of sells: 22

Security key

37364X109

Report period

Q2 2021

Institutions

Top holders

GEOS full security history Newer quarter: Q3 2021 Previous quarter: Q1 2021 GEOSPACE TECHNOLOGIES CORP SEC filings GEOSPACE TECHNOLOGIES CORP company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 37364X109

Newer quarter: Q3 2021 Previous quarter: Q1 2021

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top shareholders of GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.

Lead holder

DISCIPLINED GROWTH INVESTORS INC /MN

13D/G signal

—

Evidence rows

Latest as of

31 Mar 2021

13F Lead comparable stake: 11%

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
DISCIPLINED GROWTH INVESTORS INC /MN	13F Company 13F	11%	$12,421,000 1,361,971 shares	—	31 Mar 2021
FMR LLC	13F Company 13F	10%	$11,988,000 1,314,466 shares	—	31 Mar 2021
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	5.8%	$6,842,000 750,255 shares	—	31 Mar 2021
VANGUARD GROUP INC	13F Company 13F	5%	$5,867,000 643,273 shares	—	31 Mar 2021
Tieton Capital Management, LLC	13F Company 13F	4.8%	$5,664,000 621,015 shares	—	31 Mar 2021
RUTABAGA CAPITAL MANAGEMENT LLC/MA	13F Company 13F	3.2%	$3,761,000 412,412 shares	—	31 Mar 2021
MILLENNIUM MANAGEMENT LLC	13F Company 13F	2.4%	$2,800,000 306,967 shares	—	31 Mar 2021
Moors & Cabot, Inc.	13F Company 13F	2.3%	$2,760,000 302,575 shares	—	31 Mar 2021
HEARTLAND ADVISORS INC	13F Company 13F	2.3%	$2,736,000 300,000 shares	—	31 Mar 2021
BlackRock Finance, Inc.	13F Company 13F	2.3%	$2,694,000 295,325 shares	—	31 Mar 2021
VICTORY CAPITAL MANAGEMENT INC	13F Company 13F	1.7%	$2,005,000 219,824 shares	—	31 Mar 2021
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.92%	$1,090,000 119,521 shares	—	31 Mar 2021
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F Company 13F	0.78%	$927,000 101,663 shares	—	31 Mar 2021
FRANKLIN RESOURCES INC	13F Company 13F	0.78%	$919,000 100,800 shares	—	31 Mar 2021
JACOBS LEVY EQUITY MANAGEMENT, INC	13F Company 13F	0.74%	$875,000 95,968 shares	—	31 Mar 2021
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	0.71%	$834,000 91,432 shares	—	31 Mar 2021
D. E. Shaw & Co., Inc.	13F Company 13F	0.66%	$785,000 86,091 shares	—	31 Mar 2021
RBF Capital, LLC	13F Company 13F	0.56%	$656,000 71,922 shares	—	31 Mar 2021
NORTHERN TRUST CORP	13F Company 13F	0.42%	$497,000 54,558 shares	—	31 Mar 2021
PINNACLE ASSOCIATES LTD	13F Company 13F	0.41%	$490,000 53,736 shares	—	31 Mar 2021
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F Company 13F	0.41%	$489,000 53,587 shares	—	31 Mar 2021
IRONWOOD INVESTMENT MANAGEMENT LLC	13F Company 13F	0.32%	$377,000 41,342 shares	—	31 Mar 2021
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F Company 13F	0.28%	$326,000 35,800 shares	—	31 Mar 2021
Bank of New York Mellon Corp	13F Company 13F	0.26%	$304,000 33,334 shares	—	31 Mar 2021
Mraz, Amerine & Associates, Inc.	13F Company 13F	0.23%	$274,000 30,070 shares	—	31 Mar 2021
State of Tennessee, Department of Treasury	13F Company 13F	0.21%	$244,000 26,731 shares	—	31 Mar 2021
Assenagon Asset Management S.A.	13F Company 13F	0.17%	$205,000 22,455 shares	—	31 Mar 2021
STATE STREET CORP	13F Company 13F	0.17%	$201,000 22,004 shares	—	31 Mar 2021
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F Company 13F	0.17%	$198,000 21,733 shares	—	31 Mar 2021
Grantham, Mayo, Van Otterloo & Co. LLC	13F Company 13F	0.16%	$187,000 20,531 shares	—	31 Mar 2021
ACADIAN ASSET MANAGEMENT LLC	13F Company 13F	0.15%	$175,000 19,136 shares	—	31 Mar 2021
Marquette Asset Management, LLC	13F Company 13F	0.14%	$161,000 17,661 shares	—	31 Mar 2021
TWO SIGMA INVESTMENTS, LP	13F Company 13F	0.11%	$135,000 14,832 shares	—	31 Mar 2021
MORGAN STANLEY	13F Company 13F	0.1%	$118,000 12,955 shares	—	31 Mar 2021
Trexquant Investment LP	13F Company 13F	0.09%	$109,000 11,944 shares	—	31 Mar 2021
HANCOCK WHITNEY CORP	13F Company 13F	0.08%	$96,000 10,494 shares	—	31 Mar 2021
SIMPLEX TRADING, LLC	13F Company 13F	0.07%	$77,000 8,506 shares	—	31 Mar 2021
JPMORGAN CHASE & CO	13F Company 13F	0.04%	$42,000 4,556 shares	—	31 Mar 2021
FIRST HORIZON CORP	13F Company 13F	0.01%	$7,000 790 shares	—	31 Mar 2021
Gemmer Asset Management LLC	13F Company 13F	0.01%	$6,000 678 shares	—	31 Mar 2021
BARCLAYS PLC	13F Company 13F	0%	$3,000 355 shares	—	31 Mar 2021
BANK OF AMERICA CORP /DE/	13F Company 13F	0%	$3,000 246 shares	—	31 Mar 2021
CAPTRUST FINANCIAL ADVISORS	13F Company 13F	0%	$2,000 225 shares	—	31 Mar 2021
PNC FINANCIAL SERVICES GROUP, INC.	13F Company 13F	0%	$1,000 156 shares	—	31 Mar 2021
ROYAL BANK OF CANADA	13F Company 13F	0%	$1,000 132 shares	—	31 Mar 2021
BNP PARIBAS FINANCIAL MARKETS	13F Company 13F	0%	$1,186 130 shares	—	31 Mar 2021
WELLS FARGO & COMPANY/MN	13F Company 13F	0%	$1,000 88 shares	—	31 Mar 2021

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 Q2 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

8,211,485

Rows loaded

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2021 vs Q1 2021 Across Filers

Q1 2021 holders

Q2 2021 holders

Holder diff

-1

Investor	Q1 2021 Shares	Q2 2021 Shares	Share Diff	Share Chg %	Q1 2021 Value $	Q2 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.