GEOS

Geospace Technologies Corp$6.78 3.56%
Information TechnologyUSCUSIP 37364X109· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
67
+5 QoQ
13F Value (tracked)
$61.1M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)15 adding · 10 trimming
Insider net (180d)$0

Price & smart-money activity

$6.78 3.56%5Y -15.7%
$1.93$9.04$16.15$23.26$30.372021202220232024202520265846441023692675363478420361699161011710611117151416151515
Hover for who · click for detailEnd-of-day closing prices52w $6.38 – $28.41
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Ask your agent what changed in GEOS

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/GEOS/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for GEOS.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

67 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1DISCIPLINED GROWTH INVESTORS INC /MN
$13.4M
1.1M
−2.7%
Reduced · −30K sh
Q1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$7.0M
577K
New
+577K sh
Q1 2026
3DIMENSIONAL FUND ADVISORS LP
$6.0M
491K
−9.8%
Reduced · −53K sh
Q1 2026
4SEI INVESTMENTS CO
$5.0M
411K
+109%
Added · +214K sh
Q1 2026
5First Eagle Investment Management, LLC
$2.9M
240K
−44%
Reduced · −190K sh
Q1 2026
6BlackRock, Inc.
$2.8M
226K
+2.0%
Added · +4K sh
Q1 2026
7Moors & Cabot, Inc.
$2.3M
191K
−67%
Reduced · −385K sh
Q1 2026
8MARSHALL WACE, LLP
$2.3M
189K
16×
Added · +177K sh
Q1 2026
9Glenorchy Capital Ltd
$2.1M
173K
+1.4%
Added · +2K sh
Q1 2026
10GEODE CAPITAL MANAGEMENT, LLC
$1.9M
152K
+4.1%
Added · +6K sh
Q1 2026
11SUSQUEHANNA INTERNATIONAL GROUP, LLP
$1.8M
146K
−37%
Reduced · −85K sh
Q1 2026
12STATE STREET CORP
$1.7M
137K
+8.7%
Added · +11K sh
Q1 2026
13US BANCORP \DE\
$1.6M
127K
Held
Q1 2026
14MILLENNIUM MANAGEMENT LLC
$1.3M
107K
+73%
Added · +45K sh
Q1 2026
15BRIDGEWAY CAPITAL MANAGEMENT, LLC
$961K
79K
−31%
Reduced · −36K sh
Q1 2026
16VANGUARD FIDUCIARY TRUST CO
$928K
76K
New
+76K sh
Q1 2026
17TWO SIGMA INVESTMENTS, LP
$902K
74K
+27%
Added · +16K sh
Q1 2026
18NORTHERN TRUST CORP
$495K
41K
+4.3%
Added · +2K sh
Q1 2026
19683 Capital Management, LLC
$479K
39K
Held
Q1 2026
20IRONWOOD INVESTMENT MANAGEMENT LLC
$440K
36K
−2.0%
Reduced · −734 sh
Q1 2026
21CITADEL ADVISORS LLC
$399K
33K
−44%
Reduced · −26K sh
Q1 2026
22AMERICAN CENTURY COMPANIES INC
$358K
29K
−2.7%
Reduced · −822 sh
Q1 2026
23Kingsview Wealth Management, LLC
$346K
28K
New
+28K sh
Q1 2026
24Mraz, Amerine & Associates, Inc.
$165K
24K
+1.3%
Added · +304 sh
Q2 2026
25ELEVATION POINT WEALTH PARTNERS, LLC
$297K
24K
+0.3%
Added · +84 sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
6
funds
Added
9
funds
Reduced
10
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Feb 9, 2026Giesinger Edgar R. JR.DirectorGrant (A)4K$0
Feb 9, 2026DAVIS THOMAS LDirectorGrant (A)4K$0
Feb 9, 2026Miles Richard FDirectorGrant (A)4K$0
Dec 5, 2025Curda Robert L.Vice President & CFOTax withholding (F)165$0
Dec 5, 2025Kelley Richard JamesPresident & CEOTax withholding (F)275$0
Dec 2, 2025Bushey Ronald ToddChief Technical OfficerTax withholding (F)275$0
Nov 25, 2025Kelley Richard JamesPresident & CEOGrant (A)8K$0
Nov 25, 2025Curda Robert L.Vice President & CFOGrant (A)4K$0
Nov 25, 2025Bushey Ronald ToddChief Technical OfficerGrant (A)4K$0
Nov 20, 2025Curda Robert L.Vice President & CFOGrant (A)4K$0
Nov 20, 2025Curda Robert L.Vice President & CFOTax withholding (F)198$0
Nov 20, 2025Kelley Richard JamesPresident & CEOGrant (A)5K$0

Institutional ownership over time

67 funds+15 since Q3 2024
03467Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $61.2M

Funds that own GEOS also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT19 funds$3.7B
ALPHABET INC-CL AGOOGL19 funds$2.7B
UNITEDHEALTH GROUP INCUNH19 funds$816.8M
AMAZON.COM INCAMZN18 funds$4.1B
BROADCOM INCAVGO18 funds$2.2B
ORACLE CORPORCL18 funds$1.9B
BERKSHIRE HATHAWAY INC-CL BBRK/B18 funds$1.7B
SALESFORCE INCCRM18 funds$1.6B
HOME DEPOT INCHD18 funds$930.8M
ELI LILLY & COLLY18 funds$914.0M
BARRICK MINING CORPB18 funds$896.3M
US BANCORPUSB18 funds$861.8M

Ranked by how many of GEOS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GEOS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.