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 Q4 2017?

86 institutional investors reported GEOS - GEOSPACE TECHNOLOGIES CORP - Common Stock for Q4 2017. Use the holders table for investor-level position and value details.

GEOSPACE TECHNOLOGIES CORP - Common Stock (GEOS)

CUSIP: 37364X109

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock
Shares outstanding: 12,957,953
Total 13F shares: 10,750,107
Share change: -116,461
Total reported value: $139,443,122
Price per share: $12.97
Number of holders: 86
Value change: -$2,623,864
Number of buys: 35
Number of sells: 37

Security key

37364X109

Report period

Q4 2017

Institutions

Top holders

GEOS full security history Newer quarter: Q1 2018 Previous quarter: Q3 2017 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: Q1 2018 Previous quarter: Q3 2017

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

FMR LLC

13D/G signal

—

Evidence rows

Latest as of

30 Sep 2017

13F Lead comparable stake: 15%

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
FMR LLC	13F Company 13F	15%	$35,146,000 1,972,263 shares	—	30 Sep 2017
BlackRock Finance, Inc.	13F Company 13F	13%	$29,742,000 1,669,032 shares	—	30 Sep 2017
BROWN CAPITAL MANAGEMENT LLC	13F Company 13F	12%	$27,631,000 1,550,534 shares	—	30 Sep 2017
VANGUARD GROUP INC	13F Company 13F	5.7%	$13,133,000 736,996 shares	—	30 Sep 2017
EAGLE ASSET MANAGEMENT INC	13F Company 13F	3.9%	$9,084,000 501,067 shares	—	30 Sep 2017
DISCIPLINED GROWTH INVESTORS INC /MN	13F Company 13F	3.8%	$8,693,000 487,825 shares	—	30 Sep 2017
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	3.6%	$8,356,000 468,905 shares	—	30 Sep 2017
STATE STREET CORP	13F Company 13F	2.3%	$5,390,000 302,287 shares	—	30 Sep 2017
Bank of New York Mellon Corp	13F Company 13F	1.8%	$4,047,000 227,128 shares	—	30 Sep 2017
NEW YORK STATE COMMON RETIREMENT FUND	13F Company 13F	1.7%	$3,965,000 222,487 shares	—	30 Sep 2017
Brandywine Global Investment Management, LLC	13F Company 13F	1.5%	$3,536,000 198,393 shares	—	30 Sep 2017
NORTHERN TRUST CORP	13F Company 13F	1.3%	$3,067,000 172,084 shares	—	30 Sep 2017
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.88%	$2,040,000 114,486 shares	—	30 Sep 2017
22NW, LP	13F Company 13F	0.88%	$2,026,000 113,693 shares	—	30 Sep 2017
Tieton Capital Management, LLC	13F Company 13F	0.82%	$1,899,000 106,567 shares	—	30 Sep 2017
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F Company 13F	0.82%	$1,885,000 105,800 shares	—	30 Sep 2017
NORGES BANK	13F Company 13F	0.8%	$1,843,000 103,423 shares	—	30 Sep 2017
PRINCIPAL FINANCIAL GROUP INC	13F Company 13F	0.78%	$1,806,000 101,363 shares	—	30 Sep 2017
Invesco Ltd.	13F Company 13F	0.61%	$1,407,000 78,951 shares	—	30 Sep 2017
Nationwide Fund Advisors	13F Company 13F	0.56%	$1,283,000 71,995 shares	—	30 Sep 2017
AMERIPRISE FINANCIAL INC	13F Company 13F	0.55%	$1,277,000 71,691 shares	—	30 Sep 2017
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F Company 13F	0.51%	$1,173,000 65,832 shares	—	30 Sep 2017
D. E. Shaw & Co., Inc.	13F Company 13F	0.5%	$1,164,000 65,310 shares	—	30 Sep 2017
SCOUT INVESTMENTS, INC.	13F Company 13F	0.48%	$1,111,000 62,335 shares	—	30 Sep 2017
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F Company 13F	0.44%	$1,019,000 57,163 shares	—	30 Sep 2017
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.41%	$936,000 52,504 shares	—	30 Sep 2017
MORGAN STANLEY	13F Company 13F	0.4%	$933,000 52,377 shares	—	30 Sep 2017
West Coast Financial LLC	13F Company 13F	0.35%	$804,000 45,115 shares	—	30 Sep 2017
Mraz, Amerine & Associates, Inc.	13F Company 13F	0.29%	$670,000 37,595 shares	—	30 Sep 2017
TIAA CREF INVESTMENT MANAGEMENT LLC	13F Company 13F	0.28%	$658,000 36,919 shares	—	30 Sep 2017
TWO SIGMA INVESTMENTS, LP	13F Company 13F	0.24%	$556,000 31,203 shares	—	30 Sep 2017
Diversified Investment Strategies, LLC	13F Company 13F	0.22%	$511,000 28,675 shares	—	30 Sep 2017
RHUMBLINE ADVISERS	13F Company 13F	0.21%	$481,000 27,003 shares	—	30 Sep 2017
Legal & General Group Plc	13F Company 13F	0.19%	$432,000 24,261 shares	—	30 Sep 2017
GOLDMAN SACHS GROUP INC	13F Company 13F	0.19%	$428,000 24,015 shares	—	30 Sep 2017
TEACHERS ADVISORS, LLC	13F Company 13F	0.18%	$415,000 23,280 shares	—	30 Sep 2017
ACADIAN ASSET MANAGEMENT LLC	13F Company 13F	0.17%	$399,000 22,383 shares	—	30 Sep 2017
PRUDENTIAL FINANCIAL INC	13F Company 13F	0.17%	$399,000 22,372 shares	—	30 Sep 2017
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F Company 13F	0.16%	$368,000 20,645 shares	—	30 Sep 2017
ALLIANCEBERNSTEIN L.P.	13F Company 13F	0.15%	$351,000 19,700 shares	—	30 Sep 2017
CANADA LIFE ASSURANCE Co	13F Company 13F	0.15%	$339,000 19,112 shares	—	30 Sep 2017
BANK OF AMERICA CORP /DE/	13F Company 13F	0.14%	$317,000 17,815 shares	—	30 Sep 2017
York State Teachers Retirement System New	13F Individual 13F	0.13%	$302,000 16,952 shares	—	30 Sep 2017
WELLS FARGO & COMPANY/MN	13F Company 13F	0.12%	$272,000 15,246 shares	—	30 Sep 2017
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	13F Company 13F	0.12%	$267,000 14,993 shares	—	30 Sep 2017
COMERICA BANK	13F Company 13F	0.11%	$218,000 14,151 shares	—	30 Sep 2017
CREDIT SUISSE AG/	13F Company 13F	0.11%	$245,000 13,711 shares	—	30 Sep 2017
Spark Investment Management LLC	13F Company 13F	0.1%	$230,000 12,913 shares	—	30 Sep 2017
ROYCE & ASSOCIATES LP	13F Company 13F	0.1%	$227,000 12,746 shares	—	30 Sep 2017
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F Company 13F	0.1%	$220,000 12,414 shares	—	30 Sep 2017

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 Q4 2017

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

Institutions

10,750,107

Rows loaded

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

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

Q4 2017 holders

Holder diff

-1

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 2017 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.