OSB Group Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

LSE:OSB Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
13 Jun 25BuyUK£10,191Jason ElphickIndividual2,058UK£4.95
09 May 25SellUK£1,217,767Andrew GoldingIndividual251,584UK£4.84
28 Apr 25BuyUK£3,046Jason ElphickIndividual651UK£4.68
28 Apr 25SellUK£33,685Jason ElphickIndividual7,205UK£4.68
14 Apr 25BuyUK£23,844Jason ElphickIndividual5,719UK£4.17
14 Apr 25SellUK£23,825Jason ElphickIndividual5,719UK£4.17
25 Mar 25SellUK£12,393Clive KornitzerIndividual2,762UK£4.49
25 Mar 25SellUK£7,794Jason ElphickIndividual1,737UK£4.49
25 Mar 25SellUK£138,871Andrew GoldingIndividual30,949UK£4.49
25 Mar 25SellUK£11,074Jens BechIndividual2,468UK£4.49
25 Mar 25SellUK£6,758Richard WilsonIndividual1,506UK£4.49
25 Mar 25SellUK£14,489Hasan KazmiIndividual3,229UK£4.49
25 Mar 25SellUK£6,093Lisa OdendaalIndividual1,358UK£4.49
21 Mar 25SellUK£42,515Jason ElphickIndividual9,301UK£4.57
21 Mar 25SellUK£46,554Clive KornitzerIndividual10,116UK£4.60
21 Mar 25SellUK£37,479Jason ElphickIndividual8,144UK£4.60
21 Mar 25SellUK£43,240Hasan KazmiIndividual9,396UK£4.60
21 Mar 25SellUK£45,279Sullivan-Hyde VictoriaIndividual9,839UK£4.60
20 Mar 25SellUK£52,603Clive KornitzerIndividual11,331UK£4.64
20 Mar 25SellUK£38,550Jason ElphickIndividual8,304UK£4.64
20 Mar 25SellUK£49,047Andrew GoldingIndividual10,565UK£4.64
20 Mar 25SellUK£49,047Jens BechIndividual10,565UK£4.64
20 Mar 25SellUK£33,829Richard WilsonIndividual7,287UK£4.64
20 Mar 25SellUK£41,257Hasan KazmiIndividual8,887UK£4.64
20 Mar 25SellUK£33,699Lisa OdendaalIndividual7,259UK£4.64
19 Mar 25SellUK£184,211Richard WilsonIndividual39,465UK£4.67
18 Mar 25SellUK£114,661Clive KornitzerIndividual24,383UK£4.70
28 Jun 24SellUK£53,088Jason ElphickIndividual12,271UK£4.41
28 Jun 24SellUK£117,051Jens BechIndividual26,691UK£4.39
28 Jun 24SellUK£49,268Lisa OdendaalIndividual11,300UK£4.36
27 Jun 24BuyUK£8,945Jason ElphickIndividual2,025UK£4.42

Insider Trading Volume

Insider Buying: OSB insiders have sold more shares than they have bought in the past 3 months.


Ownership Breakdown

What is the ownership structure of OSB?
Owner TypeNumber of SharesOwnership Percentage
Public Companies182,2940.0499%
State or Government572,5900.157%
Private Companies610,5720.167%
Individual Insiders1,458,1100.399%
Employee Share Scheme2,201,9680.602%
General Public10,665,2402.92%
Hedge Funds20,049,2635.48%
Institutions329,797,71390.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 65.44% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
7.46%
BlackRock, Inc.
27,257,179UK£136.8m-2.13%no data
5.48%
GLG Partners LP
20,049,263UK£100.6m6.77%1.61%
5.46%
The Vanguard Group, Inc.
19,945,162UK£100.1m-1.15%no data
5.12%
JP Morgan Asset Management
18,704,144UK£93.8m-4.81%0.01%
4.2%
Dimensional Fund Advisors LP
15,346,540UK£77.0m2.78%0.02%
3.91%
Aberdeen Group Plc
14,276,548UK£71.6m0.32%0.06%
3.09%
M&G Investment Management Limited
11,283,009UK£56.6m-12.7%0.14%
2.65%
Van Lanschot Kempen Investment Management N.V.
9,677,947UK£48.6m727%0.41%
2.56%
Schroder Investment Management Limited
9,364,672UK£47.0m-6.67%0.03%
2.35%
High Ground Investment Management LLP
8,598,685UK£43.1m12.9%8.45%
2.2%
Columbia Management Investment Advisers, LLC
8,055,988UK£40.4m-4.06%0.01%
2.2%
Janus Henderson Group plc
8,034,847UK£40.3m-6.28%0.02%
1.81%
Norges Bank Investment Management
6,624,829UK£33.2m2.1%no data
1.74%
Legal & General Investment Management Limited
6,353,310UK£31.9m-5.34%0.01%
1.64%
Jupiter Fund Management Plc
5,996,704UK£30.1m-19.2%0.1%
1.54%
Acadian Asset Management LLC
5,636,239UK£28.3m13.7%0.08%
1.47%
N.F.U. Mutual Unit Managers Limited
5,362,003UK£26.9m0.22%0.68%
1.46%
Societe Generale Group, Banking Investments
5,332,094UK£26.8m21.7%0.19%
1.44%
Hargreaves Lansdown Asset Management Ltd.
5,258,754UK£26.4m-6.19%0.07%
1.42%
UBS Asset Management AG
5,204,828UK£26.1m-18.7%no data
1.37%
Invesco Ltd.
5,021,599UK£25.2m-6.77%0.01%
1.35%
AllianceBernstein L.P.
4,937,110UK£24.8m13.6%0.01%
1.25%
American Century Investment Management Inc
4,558,035UK£22.9m3.87%0.01%
1.21%
PNC Erieview Capital
4,407,325UK£22.1m0%no data
1.07%
HSBC Global Asset Management (UK) Limited
3,914,042UK£19.6m-8.7%0.01%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/06/18 01:25
End of Day Share Price 2025/06/18 00:00
Earnings2024/12/31
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

OSB Group Plc is covered by 22 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Daniel GarrodBarclays
Grace DarganBarclays
Peter RichardsonBerenberg