13F

Stock

Geospace Technologies Corp

GEOS · held by 84 managers

Reported value

$104.2M

Holders

84

+3 new · −2 exited

Holders’ est. mark

−$58K

Price effect on 4 books still in the name

Largest holder

$19.1M

DISCIPLINED GROWTH INVESTORS INC /MN

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
DISCIPLINED GROWTH INVESTORS INC /MN1.13M$19.1M—Held
Vanguard648.2K$11M—Held
Moors & Cabot, Inc.576K$9.74M—Held
DIMENSIONAL FUND ADVISORS LP544.1K$9.2M—Held
First Eagle Investment Management, LLC430.3K$7.28M—Held
GRACE & WHITE INC /NY307.8K$5.2M—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP231.3K$3.91M—Held
BlackRock, Inc.221.1K$3.74M—Held
SEI INVESTMENTS CO197K$3.33M—Held
Glenorchy Capital Ltd171K$2.89M—Held
De Lisle Partners LLP147.1K$2.48M—Held
GEODE CAPITAL MANAGEMENT, LLC146.1K$2.47M—Held
US BANCORP \DE\127.1K$2.15M—Held
State Street125.9K$2.13M—Held
BRIDGEWAY CAPITAL MANAGEMENT, LLC114.7K$1.94M—Held
MILLENNIUM MANAGEMENT LLC62K$1.05M—Held
EagleClaw Capital Managment, LLC61.1K$1.03M—Held
GOLDMAN SACHS GROUP INC60.1K$1.02M—Held
Citadel58.7K$993.1K—Held
TWO SIGMA INVESTMENTS, LP58.3K$985.6K—Held
Brooklyn Investment Group43.8K$761.7K—Held
Empowered Funds, LLC40.3K$681.3K—Held
683 Capital Management, LLC39.3K$663.8K—Held
NORTHERN TRUST CORP38.9K$658.4K—Held
Peapod Lane Capital LLC37.8K$639.5K—Held
IRONWOOD INVESTMENT MANAGEMENT LLC36.8K$621.9K—Held
Qube Research & Technologies Ltd32.3K$545.4K—Held
AMERICAN CENTURY COMPANIES INC30.1K$509.7K—Held
AlphaQuest LLC27.6K$466.8K—Held
ExodusPoint Capital Management, LP25K$423.6K—Held
JANE STREET GROUP, LLC24.9K$421.4K—Held
Vestmark Advisory Solutions, Inc.24.3K$410.4K—Held
ELEVATION POINT WEALTH PARTNERS, LLC24.3K$410.4K—New
Mraz, Amerine & Associates, Inc.24.1K$407.2K—Held
BARCLAYS PLC23.3K$394.7K−$11.8KAdded$285.5K
XTX Topco Ltd22.9K$387.8K—Held
COMMONWEALTH EQUITY SERVICES, LLC21.9K$370.1K—Held
OMERS ADMINISTRATION Corp20.1K$339.9K—Held
Hudson Bay Capital Management LP18.7K$316.5K—New
MORGAN STANLEY17.3K$291.9K−$15.5KAdded$149K
FourThought Financial Partners, LLC16.3K$276.3K—Held
BANK OF AMERICA CORP /DE/14.7K$248K−$30.1KCut−$212.3K
ESSEX INVESTMENT MANAGEMENT CO LLC13.6K$230.6K—Held
Tannin Capital LLC13.5K$229K—Held
LPL Financial LLC13.2K$223.2K—Held
IMC-Chicago, LLC12.5K$211K—Held
MARSHALL WACE, LLP11.8K$199.3K—Held
WELLS FARGO & COMPANY/MN10.9K$184.5K—Held
Balyasny Asset Management L.P.10.5K$178.1K—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC10.4K$176.4K—Held
UBS Group AG6.82K$115.3K—Held
CIBC Private Wealth Group LLC6.65K$112.5K—Held
Tower Research Capital LLC (TRC)5.23K$88.4K—Held
Kestra Advisory Services, LLC3.95K$66.8K—Held
CITIGROUP INC3.31K$56K—Held
OSAIC HOLDINGS, INC.2.37K$40K—Held
SIMPLEX TRADING, LLC2K$33.8K—Held
SBI Securities Co., Ltd.1.29K$21.8K—Held
Farther Finance Advisors, LLC1.18K$20K—Held
Fidelity1.11K$18.8K—Held
CoreCap Advisors, LLC950$16.1K—Held
Tieton Capital Management, LLC884.2K$15K—Held
BNP PARIBAS FINANCIAL MARKETS796$13.5K—Held
Parvin Asset Management, LLC750$12.7K—Held
ROYAL BANK OF CANADA711$12K—Held
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC700$11.8K—Held
JONES FINANCIAL COMPANIES LLLP580$9.81K—Held
RHUMBLINE ADVISERS439$7.42K—Held
Aventura Private Wealth, LLC324$5.48K−$664Cut−$26.8K
Sunbelt Securities, Inc.300$5.07K—Held
Hurley Capital, LLC206$3.48K—Held
Kingdom Financial Group LLC.194$3.28K—Held
Triumph Capital Management100$1.69K—New
REAP Financial Group, LLC100$1.69K—Held
Cambridge Investment Research Advisors, Inc.58.2K$984—Held
SIGNATUREFD, LLC54$913—Held
Root Financial Partners, LLC34$575—Held
GSA CAPITAL PARTNERS LLP24.5K$415—Held
ACADIAN ASSET MANAGEMENT LLC22.1K$372—Held
Optiver Holding B.V.6$101—Held
HARBOUR INVESTMENTS, INC.5$85—Held
HAZLETT, BURT & WATSON, INC.400$7—Held
CWM, LLC204$3—Held
Capital Advisors, Ltd. LLC122$2—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.