State Street Corp reports 54.57% increase in ownership of DWSN / Dawson Geophysical Company

도슨 지구물리학 회사

US ˙ NasdaqGS ˙ US2393601008

Security	DWSN / Dawson Geophysical Company
Institution	State Street Corp
Latest Disclosed Ownership	28,890 shares
Latest Disclosed Value	$ 99,959

On May 15, 2026 - State Street Corp filed a 13F-HR form disclosing ownership of 28,890 shares of Dawson Geophysical Company (US:DWSN) valued at $99,959 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 18,690 shares of Dawson Geophysical Company. This represents a change in shares of 54.57% during the quarter. The current value of the position is $127,405 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel Premium Registration Required .

Disclosed Equity Positions (from 13F/NPORT Filings)

File Date	Effective Date	Form	Security	Class	ID	Reported Shares	ΔShares	ΔShares (%)	Reported Value (x1000)	ΔValue (%)	Alloc (%)
2026-05-15	2026-03-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	28,890	10,200	54.57	100	241.38	0.0000
2026-02-13	2025-12-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	18,690	0	0.00	29	-9.37	0.0000
2025-11-14	2025-09-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	18,690	0	0.00	33	18.52	0.0000
2025-08-14	2025-06-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	18,690	0	0.00	27	22.73	0.0000
2025-05-15	2025-03-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	18,690	0	0.00	23	-8.33	0.0000
2025-02-14	2024-12-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	18,690	18,690		24		0.0000
2022-05-16	2022-03-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	0	-73,272	-100.00	0	-100.00
2022-02-14	2021-12-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	73,272	0	0.00	170	-6.59	0.0000
2021-11-15	2021-09-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	73,272	0	0.00	182	-4.71	0.0000
2021-08-16	2021-06-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	73,272	63,236	630.09	191	664.00	0.0000
2021-07-09	2021-03-31	13F/A-1	DAWSON GEOPHYSICAL CO	COM	239360100	10,036	0	0.00	25	19.05	0.0000
2021-05-17	2021-03-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	10,036	0		25		0.0000
2021-02-16	2020-12-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	10,036	0	0.00	21	16.67	0.0000
2020-11-10	2020-09-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	10,036	0	0.00	18	28.57	0.0000
2020-08-14	2020-06-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	10,036	0	0.00	14	40.00	0.0000
2020-06-19	2020-03-31	13F/A-1	DAWSON GEOPHYSICAL CO	COM	239360100	10,036	-4,000	-28.50	10	-70.59	0.0000
2020-05-11	2020-03-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	10,036	-4,000		10		0.8782
2020-02-06	2019-12-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	14,036	0	0.00	34	13.33	0.0000
2019-11-14	2019-09-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	14,036	0	0.00	30	-14.29	0.0000
2019-08-14	2019-06-30	13F	DAWSON GEOPHYSICAL CO	COM	239360100	14,036	-273,133	-95.11	35	-95.84	0.0000
2019-05-15	2019-03-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	287,169	-19,118	-6.24	841	-18.74	0.0001
2019-02-12	2018-12-31	13F	DAWSON GEOPHYSICAL CO	COM	239360100	306,287	-2,621	-0.85	1,035	-45.78	0.0001
2018-11-09	2018-09-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	308,908	27,505	9.77	1,909	-14.16	0.0001
2018-08-14	2018-06-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	281,403	269,586	2,281.34	2,224	2,680.00	0.0002
2018-05-15	2018-03-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	11,817	0	0.00	80	35.59	0.0000
2018-02-14	2017-12-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	11,817	0	0.00	59	11.32	0.0000
2017-11-14	2017-09-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	11,817	0	0.00	53	12.77	0.0000
2017-08-14	2017-06-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	11,817	-253,140	-95.54	47	-96.82	0.0000
2017-05-15	2017-03-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	264,957	10,722	4.22	1,476	-27.82	0.0001
2017-02-09	2016-12-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	254,235	17,322	7.31	2,045	13.17	0.0002
2017-01-13	2016-09-30	13F/A-1	DAWSON GEOPHYSICAL	Common equity shares	239360100	236,913	21,863	10.17	1,807	3.08	0.0002
2016-11-14	2016-09-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	236,913			1,807
2016-08-12	2016-06-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	215,050	197,844	1,149.85	1,753	2,147.44	0.0002
2016-05-20	2016-03-31	13F/A-1	DAWSON GEOPHYSICAL	Common equity shares	239360100	17,206	0	0.00	78	30.00	0.0000
2016-05-12	2016-03-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	17,206			78
2016-02-16	2015-12-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	17,206	0	0.00	60	-10.45	0.0000
2015-11-16	2015-09-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	17,206	-2,764	-13.84	67	-27.17	0.0000
2015-08-13	2015-06-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	19,970	-44,358	-68.96	92	-66.42	0.0000
2015-05-15	2015-03-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239360100	64,328	-89,037	-58.06	274	-85.36	0.0000
2015-02-11	2014-12-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239359102	153,365	-29,835	-16.29	1,872	-43.85	0.0002
2014-11-12	2014-09-30	13F/A-1	DAWSON GEOPHYSICAL	Common equity shares	239359102	183,200	-2,031	-1.10	3,334	-37.14	0.0004
2014-11-10	2014-09-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239359102	183,200			3,334
2014-08-12	2014-06-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239359102	185,231	-6,257	-3.27	5,304	-1.08	0.0006
2014-05-15	2014-03-31	13F/A-1	DAWSON GEOPHYSICAL	Common equity shares	239359102	191,488	-14,657	-7.11	5,362	-23.10	0.0006
2014-05-13	2014-03-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239359102	191,488			5,362
2014-02-06	2013-12-31	13F/A-1	DAWSON GEOPHYSICAL	Common equity shares	239359102	206,145	43,188	26.50	6,973	31.89	0.0008
2014-02-06	2013-12-31	13F	DAWSON GEOPHYSICAL	Common equity shares	239359102	162,463			4,285
2013-11-12	2013-09-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239359102	162,957	12,847	8.56	5,287	-4.43	0.0007
2013-08-08	2013-06-30	13F	DAWSON GEOPHYSICAL	Common equity shares	239359102	150,110	150,110		5,532		0.0007

Legend

Shares: The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value: The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price: The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class: This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred

Allocation (%): The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation: The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%): The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis: The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss: This is the market value of the position as of the effective date minus the cost basis.