GEOSPACE TECHNOLOGIES CORP COM CS is a security (CUSIP 37364X109) tracked across SEC portfolio filings. 89 institutional managers reported $68.9M on Form 13F as of 2026-06-30; 6 registered fund positions totaling $3.0M via N-PORT as of 2026-05-31.
Showing 15 of 89 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| DISCIPLINED GROWTH INVESTORS INC /MN | MINNEAPOLIS, MN | $13.4M | 1,101,426 |
| VANGUARD GROUP INC | Valley Forge, PA | $11.0M | 648,222 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $6.0M | 491,016 |
| SEI INVESTMENTS CO | OAKS, PA | $5.0M | 410,906 |
| GRACE & WHITE INC /NY | NY, NY | $4.6M | 673,236 |
| BlackRock, Inc. | New York, NY | $2.8M | 225,568 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $2.3M | 146,395 |
| Moors & Cabot, Inc. | BOSTON, MA | $2.3M | 190,600 |
| MARSHALL WACE, LLP | LONDON, X0 | $2.3M | 188,806 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $1.9M | 152,154 |
| De Lisle Partners LLP | POOLE, X0 | $1.8M | 147,133 |
| STATE STREET CORP | BOSTON, MA | $1.7M | 136,853 |
| US BANCORP \DE\ | MINNEAPOLIS, MN | $1.6M | 127,134 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $1.3M | 107,386 |
| EagleClaw Capital Managment, LLC | BOSTON, MA | $1.0M | 82,015 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $1.8M | 0.22% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $978K | 1.31% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $70K | 0.02% |
| Invesco NASDAQ Future Gen 200 ETF | Invesco Exchange-Traded Fund Trust II | $70K | 36.80% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $64K | 0.01% |
| Vericimetry U.S. Small Cap Value Fund | VERICIMETRY FUNDS | $42K | 2.50% |