Abcam Ownership

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

Recent Insider Transactions

NasdaqGS:ABCM Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
17 Nov 23	BuyUS$3,732,600	HBK Investments L.P.	Company	160,000	US$23.91
06 Nov 23	SellUS$2,695,078	HBK Investments L.P.	Company	116,835	US$23.26
23 Oct 23	BuyUS$204,795	Jonathan Milner	Individual	9,000	US$22.76
13 Oct 23	BuyUS$398,632,446	HBK Investments L.P.	Company	17,414,907	US$22.89
09 Oct 23	BuyUS$201,675	Jonathan Milner	Individual	8,900	US$22.67
29 Sep 23	BuyUS$199,841	Jonathan Milner	Individual	8,800	US$22.75
22 Sep 23	BuyUS$715,320	Jonathan Milner	Individual	31,500	US$22.82
13 Sep 23	BuyUS$308,199	Jonathan Milner	Individual	13,500	US$22.86
29 Jun 23	SellUS$778,622	Jonathan Milner	Individual	33,453	US$23.28

Insider Trading Volume

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

Ownership Breakdown

What is the ownership structure of ABCM?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	174,238	0.0712%
Employee Share Scheme	364,472	0.149%
Public Companies	1,111,818	0.454%
Individual Insiders	14,546,100	5.94%
Hedge Funds	20,715,000	8.46%
Institutions	207,840,604	84.9%

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

Top Shareholders

Top 25 shareholders own 60.27% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9%	HBK Investments L.P.	20,715,000	US$497.0m	0%	55.94%
6.16%	Jonathan Milner	14,182,902	US$340.2m	0.19%	no data
4.01%	Brown Capital Management, LLC	9,234,273	US$221.5m	-7.25%	2.5%
3.18%	Baillie Gifford & Co.	7,307,800	US$175.3m	-10.4%	0.08%
2.81%	Millennium Management LLC	6,456,152	US$154.9m	37.5%	0.15%
2.69%	Soros Fund Management LLC	6,183,749	US$148.3m	0%	4.84%
2.64%	T. Rowe Price Group, Inc.	6,064,778	US$145.5m	-57.6%	0.01%
2.24%	Brown Advisory Incorporated	5,157,370	US$123.7m	-20.7%	0.18%
2.12%	Champlain Investment Partners, LLC	4,877,046	US$117.0m	26.3%	0.74%
2.11%	Citadel Advisors LLC	4,862,089	US$116.6m	-29.4%	0.13%
2.08%	Janus Henderson Group plc	4,779,855	US$114.7m	-23.9%	0.05%
2.03%	Kryger Capital Limited	4,670,071	US$112.0m	0%	32.67%
2.02%	Wellington Management Group LLP	4,640,989	US$111.3m	-66.1%	0.02%
1.94%	TIG Advisors, LLC	4,462,862	US$107.1m	156%	10.3%
1.87%	Pentwater Capital Management LP	4,303,000	US$103.2m	0%	2.02%
1.56%	Balyasny Asset Management L.P.	3,585,928	US$86.0m	816%	0.24%
1.55%	Magnetar Capital Partners, LP	3,559,341	US$85.4m	0%	3.06%
1.52%	BlackRock, Inc.	3,495,327	US$83.9m	2.13%	no data
1.49%	Westchester Capital Management, LLC	3,434,082	US$82.4m	0%	4.3%
1.41%	Invesco Ltd.	3,236,461	US$77.6m	-65.5%	0.02%
1.34%	Hudson Bay Capital Management LP	3,072,022	US$73.7m	6,040%	0.84%
1.32%	Walter Scott & Partners Limited	3,042,678	US$73.0m	-33.5%	0.17%
1.09%	Neuberger Berman Investment Advisers LLC	2,510,987	US$60.2m	-32.8%	0.05%
1.06%	Maverick Capital, Ltd.	2,446,122	US$58.7m	389%	1.3%
1.04%	Goldman Sachs Group, Investment Banking and Securities Investments	2,391,261	US$57.4m	326%	0.03%