On this page, we present all of the funds holding GEOS from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding GEOS, with a link to that fund's top holdings. The next columns indicate the amount of GEOS stock held by each of the funds holding GEOS, followed by the GEOS position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 66 funds holding GEOS within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Disciplined Growth Investors Inc. MN. For more details on the positions held by Disciplined Growth Investors Inc. MN (or by any of the other funds holding GEOS), click the fund name in the "Holder" column of the funds-holding-GEOS table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Disciplined Growth Investors Inc. MN	1,490,135	$19,312	12/31/2023
GEOS	1,490,135	$19,312	12/31/2023
Moors & Cabot Inc.	746,500	$9,675	12/31/2023
GEOS	746,500	$9,675	12/31/2023
Tieton Capital Management LLC	732,882	$9,498	12/31/2023
GEOS	732,882	$9,498	12/31/2023
Vanguard Group Inc.	665,985	$8,631	12/31/2023
GEOS	665,985	$8,631	12/31/2023
Dimensional Fund Advisors LP	630,166	$8,167	12/31/2023
GEOS	630,166	$8,167	12/31/2023
G2 Investment Partners Management LLC	408,730	$5,297	12/31/2023
GEOS	408,730	$5,297	12/31/2023
Gate City Capital Management LLC	329,470	$4,270	12/31/2023
GEOS	329,470	$4,270	12/31/2023
BlackRock Inc.	266,511	$3,454	12/31/2023
GEOS	266,511	$3,454	12/31/2023
Acuitas Investments LLC	223,669	$2,899	12/31/2023
GEOS	223,669	$2,899	12/31/2023
Acadian Asset Management LLC	171,944	$2,226	12/31/2023
GEOS	171,944	$2,226	12/31/2023
Glenorchy Capital Ltd	165,150	$2,140	12/31/2023
GEOS	165,150	$2,140	12/31/2023
Hillsdale Investment Management Inc.	162,242	$2,103	12/31/2023
GEOS	162,242	$2,103	12/31/2023
Geode Capital Management LLC	133,399	$1,729	12/31/2023
GEOS	133,399	$1,729	12/31/2023
Boothbay Fund Management LLC	110,202	$1,428	12/31/2023
GEOS	110,202	$1,428	12/31/2023
Millennium Management LLC	92,240	$1,195	12/31/2023
GEOS	92,240	$1,195	12/31/2023
Susquehanna International Group LLP	89,841	$1,164	12/31/2023
GEOS	89,841	$1,164	12/31/2023
Marshall Wace LLP	64,256	$833	12/31/2023
GEOS	64,256	$833	12/31/2023
Essex Investment Management Co. LLC	62,997	$816	12/31/2023
GEOS	62,997	$816	12/31/2023
Grace & White Inc. NY	59,370	$783	03/31/2024
GEOS	59,370	$783	03/31/2024
RBF Capital LLC	59,802	$775	12/31/2023
GEOS	59,802	$775	12/31/2023
Assenagon Asset Management S.A.	55,189	$728	03/31/2024
GEOS	55,189	$728	03/31/2024
Group One Trading L.P.		$719	12/31/2023
Call	55,500	$719	12/31/2023
Bridgeway Capital Management Inc.	49,200	$638	12/31/2023
GEOS	49,200	$638	12/31/2023
Marquette Asset Management LLC	47,003	$609	12/31/2023
GEOS	47,003	$609	12/31/2023
Citigroup Inc.	45,849	$594	12/31/2023
GEOS	45,849	$594	12/31/2023
EAM Investors LLC	45,585	$591	12/31/2023
GEOS	45,585	$591	12/31/2023
Victory Capital Management Inc.	45,020	$583	12/31/2023
GEOS	45,020	$583	12/31/2023
Jane Street Group LLC	44,676	$579	12/31/2023
GEOS	44,676	$579	12/31/2023
State Street Corp	43,489	$564	12/31/2023
GEOS	43,489	$564	12/31/2023
Northern Trust Corp	41,688	$540	12/31/2023
GEOS	41,688	$540	12/31/2023
American Century Companies Inc.	41,587	$539	12/31/2023
GEOS	41,587	$539	12/31/2023
O Shaughnessy Asset Management LLC	41,019	$532	12/31/2023
GEOS	41,019	$532	12/31/2023
Perritt Capital Management Inc.	40,000	$518	12/31/2023
GEOS	40,000	$518	12/31/2023
Ironwood Investment Management LLC	38,356	$497	12/31/2023
GEOS	38,356	$497	12/31/2023
Advisor Group Holdings Inc.	37,664	$488	12/31/2023
GEOS	37,664	$488	12/31/2023
Qube Research & Technologies Ltd	33,381	$433	12/31/2023
GEOS	33,381	$433	12/31/2023
Ritholtz Wealth Management	32,269	$426	03/31/2024
GEOS	32,269	$426	03/31/2024
Man Group plc	32,906	$426	12/31/2023
GEOS	32,906	$426	12/31/2023
Renaissance Technologies LLC	28,500	$369	12/31/2023
GEOS	28,500	$369	12/31/2023
Bank of America Corp DE	27,593	$358	12/31/2023
GEOS	27,593	$358	12/31/2023
Mraz Amerine & Associates Inc.	25,731	$333	12/31/2023
GEOS	25,731	$333	12/31/2023
Barclays PLC	25,220	$326	12/31/2023
GEOS	25,220	$326	12/31/2023
Balyasny Asset Management LLC	20,849	$270	12/31/2023
GEOS	20,849	$270	12/31/2023
Citadel Advisors LLC		$238	12/31/2023
Call	16,300	$211	12/31/2023
GEOS	4,499	$58	12/31/2023
Put	2,400	$31	12/31/2023
683 Capital Management LLC	18,261	$237	12/31/2023
GEOS	18,261	$237	12/31/2023
Goldman Sachs Group Inc.	16,956	$220	12/31/2023
GEOS	16,956	$220	12/31/2023
Jump Financial LLC	16,441	$213	12/31/2023
GEOS	16,441	$213	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	14,381	$186	12/31/2023
GEOS	14,381	$186	12/31/2023
ExodusPoint Capital Management LP	13,489	$175	12/31/2023
GEOS	13,489	$175	12/31/2023
Quadrature Capital Ltd	12,963	$168	12/31/2023
GEOS	12,963	$168	12/31/2023
Schonfeld Strategic Advisors LLC	12,439	$161	12/31/2023
GEOS	12,439	$161	12/31/2023
Wells Fargo & Company MN	12,275	$159	12/31/2023
GEOS	12,275	$159	12/31/2023
Trexquant Investment LP	11,828	$153	12/31/2023
GEOS	11,828	$153	12/31/2023
Arrowstreet Capital Limited Partnership	10,647	$138	12/31/2023
GEOS	10,647	$138	12/31/2023
JPMorgan Chase & Co.	9,694	$126	12/31/2023
GEOS	9,694	$126	12/31/2023
Royal Bank of Canada	6,583	$86	12/31/2023
GEOS	6,583	$86	12/31/2023
Morgan Stanley	3,047	$39	12/31/2023
GEOS	3,047	$39	12/31/2023
Simplex Trading LLC	1,997	$25	12/31/2023
GEOS	1,997	$25	12/31/2023
Rhumbline Advisers	600	$8	12/31/2023
GEOS	600	$8	12/31/2023
Sunbelt Securities Inc.	300	$4	03/31/2024
GEOS	300	$4	03/31/2024
Godsey & Gibb Associates	200	$3	03/31/2024
GEOS	200	$3	03/31/2024
Capital Advisors Ltd. LLC	122	$2	03/31/2024
GEOS	122	$2	03/31/2024
Covestor Ltd	124	$2	12/31/2023
GEOS	124	$2	12/31/2023
FMR LLC	100	$1	12/31/2023
GEOS	100	$1	12/31/2023
BNP Paribas Arbitrage SA	101	$1	12/31/2023
GEOS	101	$1	12/31/2023
Stone House Investment Management LLC	79	$1	12/31/2023
GEOS	79	$1	12/31/2023
Proequities Inc.	0	$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
GEOS	0	$0	12/31/2023