Dimensional Fund Advisors Lp ownership in PLOW / Douglas Dynamics, Inc.

Douglas Dynamics, Inc.

US ˙ NYSE ˙ US25960R1059

Security	PLOW / Douglas Dynamics, Inc.
Institution	Dimensional Fund Advisors Lp
Latest Disclosed Ownership	1,096,352 shares
Ownership	4.80%

2021-02-12 - Dimensional Fund Advisors Lp has filed an SC 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,096,352 shares of Douglas Dynamics, Inc. (US:PLOW). This represents 4.8 percent ownership of the company. In their previous filing dated 2020-02-12 , Dimensional Fund Advisors Lp had reported owning 1,269,494 shares, indicating a decrease of -13.64 percent.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File Date	Effective Date	Form	Prev Shares	Latest Shares	ΔShares (Percent)	Ownership (Percent)	ΔOwnership (Percent)
2021-02-12	2021-02-12	13G/A	1,269,494	1,096,352	-13.64	4.80	-13.82
2020-02-12	2020-02-12	13G/A	1,300,527	1,269,494	-2.39	5.57	-2.79
2019-02-08	2019-02-08	13G/A	1,359,862	1,300,527	-4.36	5.73	-4.82
2018-02-09	2018-02-09	13G/A	1,339,678	1,359,862	1.51	6.02	1.18
2017-02-09	2017-02-09	13G	1,187,632	1,339,678	12.80	5.95	12.26
2016-02-09	2016-02-09	13G		1,187,632		5.30

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

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.

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Disclosed Equity Positions (from 13F/NPORT Filings)

File Date	Effective Date	Form	Security	Class	ID	Reported Shares	ΔShares	ΔShares (%)	Reported Value (x1000)	ΔValue (%)	Alloc (%)
2026-05-07	2026-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	936,127	-38,824	-3.98	39,401	23.77	0.0018
2026-02-12	2025-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	974,951	-8,375	-0.85	31,833	3.56	0.0067
2025-11-12	2025-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	983,326	-15,257	-1.53	30,738	4.46	0.0066
2025-08-12	2025-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	998,583	12,393	1.26	29,428	28.46	0.0068
2025-05-13	2025-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	986,190	31,519	3.30	22,909	1.55	0.0057
2025-02-13	2024-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	954,671	44,063	4.84	22,559	-10.18	0.0054
2024-11-07	2024-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	910,608	30,660	3.48	25,114	21.97	0.0061
2024-08-09	2024-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	879,948	14,835	1.71	20,590	-1.32	0.0054
2024-05-10	2024-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	865,113	-37,692	-4.17	20,867	-22.13	0.0056
2024-02-07	2023-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	902,805	8,194	0.92	26,796	-0.76	0.0078
2023-11-09	2023-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	894,611	-7,227	-0.80	27,000	0.20	0.0089
2023-08-09	2023-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	901,838	-3,309	-0.37	26,947	-6.64	0.0086
2023-05-12	2023-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	905,147	-15,111	-1.64	28,865	87,366.67	0.0097
2023-02-09	2022-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	920,258	21,026	2.34	33	-99.87	0.0098
2022-11-10	2022-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	899,232	-1,149	-0.13	25,196	-2.63	0.0097
2022-08-12	2022-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	900,381	-8,308	-0.91	25,876	-17.68	0.0093
2022-05-13	2022-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	908,689	17,701	1.99	31,432	-9.68	0.0097
2022-02-09	2021-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	890,988	-21,799	-2.39	34,802	5.03	0.0105
2021-11-12	2021-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	912,787	-22,004	-2.35	33,135	-12.89	0.0107
2021-08-12	2021-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	934,791	-49,149	-5.00	38,037	-16.23	0.0120
2021-05-14	2021-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	983,940	-112,412	-10.25	45,409	-3.16	0.0150
2021-03-08	2020-12-31	13F/A-2	DOUGLAS DYNAMICS	COM	25960R105	1,096,352	-88,166	-7.44	46,890	15.75	0.0169
2021-02-11	2020-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,096,352	-88,166		46,890		16,934.1757
2020-11-12	2020-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,184,518	-44,276	-3.60	40,511	-6.13	0.0172
2020-08-13	2020-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,228,794	-8,590	-0.69	43,155	-1.78	0.0190
2020-05-14	2020-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,237,384	-32,110	-2.53	43,937	-37.07	0.0229
2020-02-14	2019-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,269,494	-17,927	-1.39	69,823	21.68	0.0254
2019-11-12	2019-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,287,421	-15,316	-1.18	57,382	10.70	0.0223
2019-08-13	2019-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,302,737	-3,797	-0.29	51,836	4.21	0.0201
2019-08-12	2019-03-31	13F/A-2	DOUGLAS DYNAMICS	COM	25960R105	1,306,534	6,007	0.46	49,740	6.56	0.0198
2019-05-10	2019-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,306,534	6,007		49,740
2019-02-26	2018-12-31	13F/A-1	DOUGLAS DYNAMICS	COM	25960R105	1,300,527	-21,813	-1.65	46,676	-19.59	0.0211
2019-02-13	2018-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,300,527	-21,813		46,676
2018-11-13	2018-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,322,340	-14,875	-1.11	58,051	-9.56	0.0221
2018-08-10	2018-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,337,215	-11,240	-0.83	64,186	9.80	0.0256
2018-05-11	2018-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,348,455	-11,407	-0.84	58,456	13.72	0.0244
2018-02-12	2017-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,359,862	-4,744	-0.35	51,403	-4.39	0.0213
2017-11-13	2017-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,364,606	-24,764	-1.78	53,766	17.62	0.0235
2017-08-11	2017-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,389,370	82,348	6.30	45,710	14.10	0.0211
2017-05-12	2017-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,307,022	-32,656	-2.44	40,060	-11.14	0.0191
2017-02-09	2016-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,339,678	7,642	0.57	45,080	5.96	0.0225
2016-11-10	2016-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,332,036	21,467	1.64	42,545	26.17	0.0230
2016-08-09	2016-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,310,569	38,835	3.05	33,721	15.74	0.0194
2016-05-13	2016-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,271,734	84,102	7.08	29,136	16.43	0.0174
2016-02-10	2015-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,187,632	71,605	6.42	25,024	12.90	0.0156
2015-11-13	2015-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,116,027	36,711	3.40	22,164	-4.40	0.0145
2015-08-14	2015-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	1,079,316	30,981	2.96	23,183	-3.18	0.0142
2015-05-14	2015-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	1,048,335	51,190	5.13	23,944	12.05	0.0151
2015-02-06	2014-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	997,145	88,334	9.72	21,369	20.59	0.0140
2014-11-13	2014-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	908,811	40,511	4.67	17,721	15.82	0.0126
2014-08-08	2014-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	868,300	58,107	7.17	15,300	8.41	0.0106
2014-05-14	2014-03-31	13F	DOUGLAS DYNAMICS	COM	25960R105	810,193	18,665	2.36	14,113	6.00	0.0105
2014-02-12	2013-12-31	13F	DOUGLAS DYNAMICS	COM	25960R105	791,528	7,120	0.91	13,314	15.23	0.0104
2013-11-13	2013-09-30	13F	DOUGLAS DYNAMICS	COM	25960R105	784,408	2,480	0.32	11,554	13.83	0.0100
2013-08-15	2013-06-30	13F	DOUGLAS DYNAMICS	COM	25960R105	781,928	781,928		10,150		0.0096

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.