Vault-13

GEOSPACE TECHNOLOGIES CORP GEOS

COM · Common Stock · CUSIP 37364X109

69 institutional holders -2 vs Q1 2024
8,457,9858.5m shares reported held*
65.5% of all shares outstanding*
$75.9mreported value*
16 new 22 added 23 reduced 20 sold out net bought ≈ $2.3m (+259.6k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($259.6k this quarter). Holder counts are more reliable. Shares outstanding: 12.9m as of 2024-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $8.98. Options: 2 managers hold calls ($2.0k notional), 2 hold puts ($9.0k).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

0255075Q3 22: 31Q4 22: 36Q1 23: 38Q2 23: 38Q3 23: 46Q4 23: 65Q1 24: 71Q2 24: 6969Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202231
Q4 202236
Q1 202338
Q2 202338
Q3 202346
Q4 202365
Q1 202471
Q2 202469

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
50050Q4 22: 18 bought or addedQ4 22: 15 cut or sold outQ4 22Q1 23: 18 bought or addedQ1 23: 10 cut or sold outQ2 23: 15 bought or addedQ2 23: 16 cut or sold outQ2 23Q3 23: 23 bought or addedQ3 23: 15 cut or sold outQ4 23: 42 bought or addedQ4 23: 13 cut or sold outQ4 23Q1 24: 42 bought or addedQ1 24: 23 cut or sold outQ2 24: 38 bought or addedQ2 24: 43 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20221815
Q1 20231810
Q2 20231516
Q3 20232315
Q4 20234213
Q1 20244223
Q2 20243843

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$250k$500k$750k$1mQ3 23 calls: $775.6kQ3 23 puts: $51.8kQ3 23P/C 0.07Q4 23 calls: $930.5kQ4 23 puts: $31.1kQ4 23P/C 0.03Q1 24 calls: $7.0kQ1 24 puts: $42.2kQ1 24P/C 6.03Q2 24 calls: $2.0kQ2 24 puts: $9.0kQ2 24P/C 4.49
Numbers
QuarterCallsPutsP/C
Q3 2023$775.6k$51.8k0.07
Q4 2023$930.5k$31.1k0.03
Q1 2024$7.0k$42.2k6.03
Q2 2024$2.0k$9.0k4.49

Biggest buyers

BlackRock Inc. Added +579,079+579.1k
GEODE CAPITAL MANAGEMENT, LLC Added +150,081+150.1k
GRACE & WHITE INC /NY Added +127,974+128.0k
STATE STREET CORP Added +102,039+102.0k
BRIDGEWAY CAPITAL MANAGEMENT, LLC Added +68,620+68.6k
VANGUARD GROUP INC Added +61,916+61.9k
STRS OHIO New +55,100+55.1k
Bank of New York Mellon Corp New +34,991+35.0k
ACADIAN ASSET MANAGEMENT LLC Added +34,762+34.8k
Invesco Ltd. New +34,744+34.7k

Biggest sellers

Hillsdale Investment Management Inc. Sold out -174,142-174.1k
MILLENNIUM MANAGEMENT LLC Sold out -163,145-163.1k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Sold out -110,740-110.7k
JANE STREET GROUP, LLC Reduced -104,463-104.5k
GOLDMAN SACHS GROUP INC Reduced -69,794-69.8k
RBF Capital, LLC Sold out -59,802-59.8k
Qube Research & Technologies Ltd Sold out -49,826-49.8k
CITIGROUP INC Reduced -44,339-44.3k
Assenagon Asset Management S.A. Reduced -42,835-42.8k
ESSEX INVESTMENT MANAGEMENT CO LLC Reduced -41,243-41.2k

Biggest calls

SIMPLEX TRADING, LLC Reduced $2.0k300 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

GROUP ONE TRADING LLC Reduced $9.0k1.0k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Tieton Capital Management, LLC 13G · institution filed 2025-02-11 6.9% 885.7k≈ $6.0m 2025-02-11
GRACE & WHITE INC /NY 13G · institution new · filed 2026-10-07 6.1% new 793.5k≈ $5.4m 2026-10-07

Fell to 5% or below in the last year: DISCIPLINED GROWTH INVESTORS INC /MN (0.0%, 2026-08-14), VANGUARD CAPITAL MANAGEMENT LLC (4.6%, 2026-07-31), VANGUARD GROUP INC (0.0%, 2026-03-26)

Insider purchases and sales in Q2 2024

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q3 22: 1 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 0 sellingQ4 22Q1 23: 1 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 0 sellingQ2 23Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 2 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20221$424.0k0——
Q4 20220—0——
Q1 20231$274.7k0——
Q2 20230—0——
Q3 20230—0——
Q4 20230—0——
Q1 20240—2$111.1k—
Q2 20240—0——

None reported in Q2 2024.

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 DISCIPLINED GROWTH INVESTORS INC /MN 0.27% of their portfolio MINNEAPOLIS, MN 1,570,7621.6m $14.1m $14.1m 0.27% Added +1.6k +1,605
2 BlackRock Inc. 0.00% of their portfolio New York, NY 789,493789.5k $7.1m $7.1m 0.00% Added +579.1k +579,079
3 Moors & Cabot, Inc. 0.36% of their portfolio BOSTON, MA 754,750754.8k $6.8m $6.8m 0.36% Reduced -7.9k -7,900
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 727,901727.9k $6.5m $6.5m 0.00% Added +61.9k +61,916
5 Tieton Capital Management, LLC 3.61% of their portfolio YAKIMA, WA 723,307723.3k $6.5m $6.5m 3.61% Reduced -13.7k -13,685
6 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 658,308658.3k $5.9m $5.9m 0.00% Reduced -15.4k -15,375
7 G2 Investment Partners Management LLC 1.03% of their portfolio New York, NY 442,712442.7k $4.0m $4.0m 1.03% Added +20.8k +20,767
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 288,512288.5k $2.6m $2.6m 0.00% Added +150.1k +150,081
9 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 226,366226.4k $2.0m $2.0m 0.01% Added +34.8k +34,762
10 Acuitas Investments, LLC 0.97% of their portfolio Seattle, WA 201,416201.4k $1.8m $1.8m 0.97% Added +1.1k +1,085
11 GRACE & WHITE INC /NY 0.32% of their portfolio NY, NY 187,344187.3k $1.7m $1.7m 0.32% Added +128.0k +127,974
12 Glenorchy Capital Ltd 1.20% of their portfolio BOOROLITE, C3 181,393181.4k $1.6m $1.6m 1.20% Added +22.2k +22,159
13 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 155,776155.8k $1.4m $1.4m 0.00% Reduced -10.9k -10,929
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 149,028149.0k $1.3m $1.3m 0.00% Added +102.0k +102,039
15 De Lisle Partners LLP 0.27% of their portfolio POOLE, X0 137,748137.7k $1.2m $1.2m 0.27% Unchanged
16 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 133,899133.9k $1.2m $1.2m 0.00% Added +96 +96
17 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.02% of their portfolio HOUSTON, TX 117,820117.8k $1.1m $1.1m 0.02% Added +68.6k +68,620
18 BOOTHBAY FUND MANAGEMENT, LLC 0.03% of their portfolio NEW YORK, NY 117,434117.4k $1.1m $1.1m 0.03% Added +14.6k +14,607
19 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 92,26792.3k $828.6k $828.6k 0.00% Reduced -2.4k -2,400
20 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 55,10055.1k $494.8k $494.8k 0.00% New
21 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio Stamford, CT 48,03648.0k $431.4k $431.4k 0.00% Reduced -21.5k -21,522
22 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 47,20047.2k $423.9k $423.9k 0.00% Added +6.1k +6,100
23 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 46,50046.5k $417.6k $417.6k 0.00% Reduced -1.6k -1,575
24 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 42,35342.4k $380.3k $380.3k 0.00% Added +2.9k +2,898
25 IRONWOOD INVESTMENT MANAGEMENT LLC 0.18% of their portfolio BOSTON, MA 37,86337.9k $340.0k $340.0k 0.18% Added +150 +150
26 Marquette Asset Management, LLC 0.06% of their portfolio MINNEAPOLIS, MN 37,04437.0k $332.7k $332.7k 0.06% Unchanged
27 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 34,99135.0k $314.2k $314.2k 0.00% New
28 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 34,74434.7k $312.0k $312.0k 0.00% New
29 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 33,32133.3k $299.2k $299.2k 0.00% New
30 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 32,28132.3k $289.9k $289.9k 0.00% New
31 Empowered Funds, LLC 0.00% of their portfolio NEWTOWN SQUARE, PA 28,90428.9k $259.6k $259.6k 0.00% New
32 Mraz, Amerine & Associates, Inc. 0.05% of their portfolio Modesto, CA 24,95625.0k $224.1k $224.1k 0.05% Reduced -75 -75
33 Man Group plc 0.00% of their portfolio LONDON, X0 22,71722.7k $204.0k $204.0k 0.00% Reduced -29.5k -29,492
34 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 22,02722.0k $197.8k $197.8k 0.00% Reduced -104.5k -104,463
35 ESSEX INVESTMENT MANAGEMENT CO LLC 0.04% of their portfolio BOSTON, MA 21,75421.8k $195.4k $195.4k 0.04% Reduced -41.2k -41,243
36 RITHOLTZ WEALTH MANAGEMENT 0.01% of their portfolio NEW YORK, NY 21,51621.5k $193.2k $193.2k 0.01% Reduced -10.8k -10,753
37 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 16,68416.7k $149.8k $149.8k 0.00% New
38 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 14,89014.9k $133.7k $133.7k 0.00% Reduced -69.8k -69,794
39 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 14,82414.8k $133.1k $133.1k 0.00% Added +14.2k +14,224
40 AVANTAX ADVISORY SERVICES, INC. 0.00% of their portfolio DALLAS, TX 14,76214.8k $132.6k $132.6k 0.00% Reduced -1.5k -1,524
41 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 14,51914.5k $130.4k $130.4k 0.00% Added +2.2k +2,241
42 LSV ASSET MANAGEMENT 0.00% of their portfolio CHICAGO, IL 14,50014.5k $130.0k $130.0k 0.00% Unchanged
43 OXFORD ASSET MANAGEMENT LLP 0.12% of their portfolio OXFORD, X0 14,04314.0k $126.1k $126.1k 0.12% Not comparable
44 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 13,55513.6k $121.7k $121.7k 0.00% Reduced -21.1k -21,116
45 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 12,75712.8k $115.0k $115.0k 0.00% Reduced -24.5k -24,458
46 WINTON GROUP Ltd 0.01% of their portfolio LONDON, X0 12,58812.6k $113.0k $113.0k 0.01% New
47 Assenagon Asset Management S.A. 0.00% of their portfolio SENNINGERBERG, N4 12,35412.4k $110.9k $110.9k 0.00% Reduced -42.8k -42,835
48 Alpine Global Management, LLC 0.02% of their portfolio NEW YORK, NY 12,32312.3k $110.7k $110.7k 0.02% New
49 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 12,29912.3k $111.0k $111.0k 0.00% Reduced -412 -412
50 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 11,20011.2k $100.6k $100.6k 0.00% New
51 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 10,70610.7k $96.1k $96.1k 0.00% Reduced -35.3k -35,322
52 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 8,7198.7k $78.3k $78.3k 0.00% Added +213 +213
53 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 6,7586.8k $60.8k $60.8k 0.00% First filing
54 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 4,3954.4k $39.5k $39.5k 0.00% Reduced -10.1k -10,069
55 UBS Group AG 0.00% of their portfolio ZURICH, V8 2,9973.0k $26.9k $26.9k 0.00% Added +3.0k +2,994
56 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 2,8202.8k $25.3k $25.3k 0.00% Reduced -44.3k -44,339
57 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,3392.3k $21.0k $21.0k 0.00% Reduced -3.1k -3,142
58 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 2,1442.1k $19.3k $19.3k 0.00% Added +2.0k +2,043
59 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 1,3211.3k $11.9k $11.9k 0.00% Reduced -2.8k -2,800
60 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,2311.2k $11.1k $11.1k 0.00% New
61 Legal & General Group Plc 0.00% of their portfolio London, X0 1,0771.1k $9.7k $9.7k 0.00% New
62 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 910910 $8.2k $8.2k 0.00% New
63 WealthCollab, LLC 0.00% of their portfolio BELLEVUE, WA 835835 $8.6k $8.6k 0.00% Added +585 +585
64 INNEALTA CAPITAL, LLC 0.00% of their portfolio AUSTIN, TX 806806 $7.2k $7.2k 0.00% New
65 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 435435 $4.0k $4.0k 0.00% New
66 Sunbelt Securities, Inc. 0.00% of their portfolio HOUSTON, TX 300300 $2.7k $2.7k 0.00% Unchanged
67 FMR LLC 0.00% of their portfolio BOSTON, MA 133133 $1.2k $1.2k 0.00% New
68 Capital Advisors, Ltd. LLC 0.00% of their portfolio SHAKER HEIGHTS, OH 122122 $1.0k $1.0k 0.00% Unchanged
69 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged