Achilles Therapeutics plc (ACHL) Ownership

2.49 ↓0.06 (-2.35%)

As of May 23, 2022, 9:45am EST.

Institutions
Mutual Funds

Institutional Ownership

RA Capital Management, LLC is the biggest individual institutional holder of Achilles Therapeutics plc (ACHL), owning a total of 5 million shares. Combined, the top 86 institutional holders of ACHL own 181.09% of the company with a total of 72.9 million shares.

In the latest ownership report, the top 86 institutional holders have increased their combined ownership of ACHL by 19.3 million shares, a 20.94% increase from the quarter prior.

Institution Ownership Chart

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
RA Capital Management, LLC	12.862%	0.000%	5,014,687	0	2021-12-31
RA Capital Management, LLC	12.350%	0.000%	5,014,687	0	2021-09-30
RA Capital Management, LLC	12.350%	261.058%	5,014,687	3,625,799	2021-06-30
Baker Bros Advisors LP	6.647%	0.000%	2,591,366	0	2021-12-31
Baker Bros Advisors LP	6.382%	0.000%	2,591,366	0	2021-09-30
Baker Bros Advisors LP	6.382%	0.000%	2,591,366	0	2021-06-30
Baker Bros Advisors LP	6.379%	0.000%	2,591,366	2,591,366	2021-03-31
Baker Bros Advisors LP	6.359%	0.000%	2,591,366	0	2022-03-31
Artal Group S A	5.785%	0.000%	2,255,375	0	2021-12-31
Artal Group S A	5.555%	0.000%	2,255,375	0	2021-09-30
Artal Group S A	5.555%	0.000%	2,255,375	0	2021-06-30
Artal Group S A	5.552%	0.000%	2,255,375	2,255,375	2021-03-31
Redmile Group, LLC	5.356%	0.000%	2,088,089	0	2021-12-31
Redmile Group, LLC	5.143%	0.000%	2,088,089	0	2021-06-30
Redmile Group, LLC	5.143%	0.000%	2,088,089	0	2021-09-30
Redmile Group, LLC	5.140%	0.000%	2,088,089	2,088,089	2021-03-31
Orbimed Advisors, LLC	4.065%	0.000%	1,584,845	0	2021-12-31
Orbimed Advisors, LLC	3.903%	0.000%	1,584,845	0	2021-06-30
Orbimed Advisors, LLC	3.903%	0.000%	1,584,845	0	2021-09-30
Orbimed Advisors, LLC	3.902%	0.000%	1,584,845	1,584,845	2021-03-31
Boxer Capital LLC	3.783%	0.000%	1,536,016	0	2021-09-30
Boxer Capital LLC	3.783%	-0.013%	1,536,016	-192	2021-06-30
Boxer Capital LLC	3.782%	0.000%	1,536,208	1,536,208	2021-03-31
Perceptive Advisors LLC	3.719%	0.000%	1,510,750	1,510,750	2021-03-31
RA Capital Management, LLC	3.419%	0.000%	1,388,888	1,388,888	2021-03-31
Point72 Asset Management, L.P.	2.565%	100.000%	1,000,000	500,000	2021-12-31
Farallon Capital Management, L.L.C.	2.462%	0.000%	1,000,000	1,000,000	2021-03-31
Farallon Capital Management, L.L.C.	2.454%	-0.346%	996,540	-3,460	2021-06-30
Deerfield Management Co	1.969%	0.000%	800,000	800,000	2021-03-31
Perceptive Advisors LLC	1.938%	0.000%	755,375	0	2021-12-31
Perceptive Advisors LLC	1.860%	-50.000%	755,375	-755,375	2021-09-30
Perceptive Advisors LLC	1.860%	0.000%	755,375	0	2021-06-30
JPMorgan Chase & Co	1.540%	0.000%	625,750	625,750	2021-03-31
Bank of America Corp	1.418%	0.000%	576,085	576,085	2021-03-31
Point72 Asset Management, L.P.	1.231%	0.000%	500,000	500,000	2021-09-30
Farallon Capital Management, L.L.C.	1.108%	-54.844%	450,000	-546,540	2021-09-30
Woodline Partners LP	0.832%	0.000%	324,387	324,387	2021-12-31
Peregrine Capital Management LLC	0.793%	0.000%	322,261	322,261	2021-03-31
Deerfield Management Co	0.742%	-62.321%	301,431	-498,569	2021-06-30
Sphera Funds Management Ltd.	0.739%	0.000%	300,000	300,000	2021-03-31
AXA SA	0.725%	1.206%	282,823	3,369	2021-12-31
Sphera Funds Management Ltd.	0.720%	-2.602%	292,194	-7,806	2021-06-30
AXA SA	0.688%	-48.083%	279,454	-258,816	2021-09-30
AXA SA	0.663%	0.000%	269,135	269,135	2021-06-30
Sphera Funds Management Ltd.	0.622%	-17.007%	242,500	-49,694	2021-09-30
Woodline Partners LP	0.588%	0.000%	238,822	238,822	2021-03-31
Peregrine Capital Management	0.556%	-29.973%	225,669	-96,592	2021-06-30
Peregrine Capital Management LLC	0.556%	-29.973%	225,669	-96,592	2021-06-30
BlackRock Inc	0.545%	0.000%	212,432	212,432	2021-12-31
Millennium Management LLC	0.499%	0.000%	202,785	202,785	2021-03-31
Millennium Management LLC	0.483%	-3.275%	196,144	-6,641	2021-06-30
Candriam Luxembourg S.C.A.	0.398%	0.000%	161,624	161,624	2021-06-30
Millennium Management LLC	0.358%	-25.805%	145,529	-50,615	2021-09-30
Monashee Investment Management LLC	0.308%	0.000%	125,000	125,000	2021-03-31
PURA VIDA INVESTMENTS, LLC	0.254%	0.000%	103,026	103,026	2021-03-31
Affinity Asset Advisors, LLC	0.246%	25.000%	100,000	20,000	2021-09-30
PURA VIDA INVESTMENTS, LLC	0.200%	-21.257%	81,126	-21,900	2021-06-30
Affinity Asset Advisors, LLC	0.197%	220.000%	80,000	55,000	2021-06-30
Woodline Partners LP	0.191%	-67.597%	77,386	-161,436	2021-06-30
Monashee Investment Management LLC	0.159%	-48.242%	64,697	-60,303	2021-06-30
Citadel Advisors Llc	0.145%	0.000%	56,557	56,557	2021-12-31
Macquarie Group Ltd	0.136%	0.000%	55,247	55,247	2021-03-31
CAAS CAPITAL MANAGEMENT LP	0.123%	0.000%	50,000	50,000	2021-03-31
JPMorgan Chase & Co	0.122%	-92.105%	49,405	-576,345	2021-06-30
Macquarie Group Ltd	0.100%	-26.870%	40,402	-14,845	2021-06-30
Citadel Advisors Llc	0.097%	0.000%	39,253	39,253	2021-03-31
Bank of America Corp	0.080%	-94.385%	32,346	-543,739	2021-06-30
Alyeska Investment Group, L.P.	0.076%	0.000%	30,730	0	2021-09-30
Sender Co & Partners, Inc.	0.071%	0.000%	27,690	27,690	2021-12-31
Millennium Management LLC	0.068%	-81.844%	26,423	-119,106	2021-12-31
Renaissance Technologies Corp	0.066%	0.000%	25,533	25,533	2021-12-31
Legal & General Group PLC	0.064%	0.000%	24,755	24,755	2021-12-31
BlackRock Inc	0.062%	0.000%	25,000	0	2021-06-30
Geode Capital Management, LLC	0.045%	0.000%	17,591	0	2021-12-31
Geode Capital Management, LLC	0.043%	0.000%	17,591	17,591	2021-09-30
Goldman Sachs Group Inc	0.033%	0.000%	13,000	13,000	2021-12-31
RTW INVESTMENTS, LLC	0.031%	0.000%	12,229	12,229	2021-12-31
Jump Financial, LLC	0.028%	0.000%	11,000	11,000	2021-12-31
Morgan Stanley - Brokerage Accounts	0.016%	0.000%	6,349	6,349	2021-12-31
Bank of America Corp	0.006%	-92.682%	2,367	-29,979	2021-09-30
Cubist Systematic Strategies, LLC	0.005%	0.000%	1,885	1,885	2021-09-30
Royal Bank of Canada	0.003%	0.000%	1,000	0	2021-09-30
UBS Group AG	0.001%	0.000%	464	464	2021-06-30
Rockefeller Capital Management L.P.	0.001%	0.000%	250	0	2021-09-30
S.A.C. Capital Advisors (Hong Kong) Ltd.	0.000%	0.000%	98	98	2021-09-30
Monashee Investment Management LLC	0.000%	-100.000%	0	-64,697	2021-09-30

Mutual Fund Ownership

Worldwide Healthcare Ord is the biggest individual fund holder of Achilles Therapeutics plc (ACHL), owning a total of 1.4 million shares. Combined, the top 110 mutual fund holders of ACHL own 61.63% of the company with a total of 24.8 million shares.

In the latest ownership report, the top 110 mutual funds have increased their combined ownership of ACHL by 1.2 million shares, a 4.63% increase from the quarter prior.

Mutual Funds Chart

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Worldwide Healthcare Ord	3.607%	0.000%	1,406,110	0	2021-11-30
Worldwide Healthcare Ord	3.607%	0.000%	1,406,110	0	2021-12-31
Worldwide Healthcare Ord	3.607%	0.000%	1,406,110	0	2022-01-31
Worldwide Healthcare Ord	3.463%	0.000%	1,406,110	0	2021-04-30
Worldwide Healthcare Ord	3.463%	0.000%	1,406,110	0	2021-05-31
Worldwide Healthcare Ord	3.463%	0.000%	1,406,110	0	2021-06-30
Worldwide Healthcare Ord	3.463%	0.000%	1,406,110	0	2021-07-31
Worldwide Healthcare Ord	3.463%	0.000%	1,406,110	0	2021-08-31
Worldwide Healthcare Ord	3.463%	0.000%	1,406,110	0	2021-09-30
Worldwide Healthcare Ord	3.463%	0.000%	1,406,110	0	2021-10-31
Worldwide Healthcare Ord	3.462%	0.000%	1,406,110	1,406,110	2021-03-31
HBM Healthcare Investments AG Ord	1.108%	0.000%	450,000	0	2021-06-30
HBM Healthcare Investments AG Ord	1.108%	0.000%	450,000	0	2021-09-30
HBM Healthcare Investments AG Ord	1.108%	0.000%	450,000	0	2021-12-31
HBM Healthcare Investments AG Ord	1.108%	0.000%	450,000	450,000	2021-03-31
HBM Healthcare Investments AG Ord	1.104%	0.000%	450,000	0	2022-03-31
LSP Life Sciences Fund N.V.	0.740%	0.166%	300,572	497	2021-06-30
QIN IM GBP AXA Framlington Biotech	0.698%	0.000%	272,101	0	2022-01-31
QIN IM GBP AXA Framlington Biotech	0.698%	0.000%	272,101	0	2022-02-28
QIN IM GBP AXA Framlington Biotech	0.698%	0.000%	272,101	0	2022-03-31
QIN IM GBP AXA Framlington Biotech	0.670%	4.653%	272,101	12,098	2021-10-31
QIN IM GBP AXA Framlington Biotech	0.670%	0.000%	272,101	0	2021-11-30
QIN IM GBP AXA Framlington Biotech	0.670%	0.000%	272,101	0	2021-12-31
QIN IM GBP AXA Framlington Biotech	0.640%	0.000%	260,003	0	2021-06-30
QIN IM GBP AXA Framlington Biotech	0.640%	0.000%	260,003	0	2021-07-31
QIN IM GBP AXA Framlington Biotech	0.640%	0.000%	260,003	0	2021-08-31
QIN IM GBP AXA Framlington Biotech	0.640%	0.000%	260,003	0	2021-09-30
QIN IM GBP AXA Framlington Biotech	0.640%	0.000%	260,003	0	2021-05-31
iShares Biotechnology ETF	0.638%	0.000%	248,830	0	2022-03-31
iShares Biotechnology ETF	0.620%	-0.155%	241,686	-376	2022-04-28
iShares Biotechnology ETF	0.619%	-0.156%	241,310	-376	2022-04-29
Wells Fargo Small Company Gr	0.529%	-3.820%	214,873	-8,535	2021-05-31
Wells Fargo Small Company Growth Admin	0.518%	-3.877%	210,308	-8,482	2021-05-31
iShares Biotechnology ETF	0.494%	-0.311%	192,424	-600	2022-02-28
iShares Biotechnology ETF	0.492%	-0.225%	199,924	-450	2022-01-31
iShares Biotechnology ETF	0.485%	-0.906%	196,924	-1,800	2021-12-29
iShares Biotechnology ETF	0.481%	-0.534%	195,424	-1,050	2021-12-31
Wells Fargo Small Company Gr	0.385%	-27.311%	156,189	-58,684	2021-06-30
Peregrine Capital Mgt Sm-Cap Growth	0.385%	-30.088%	156,189	-67,219	2021-06-30
Wells Fargo Small Company Growth Admin	0.376%	-27.343%	152,803	-57,504	2021-06-30
Belfius Equities Cure C Cap	0.368%	0.000%	149,571	0	2021-07-31
Belfius Equities Cure C Cap	0.368%	0.000%	149,571	0	2021-08-31
Belfius Equities Cure C Cap	0.368%	0.000%	149,571	0	2021-06-30
Arctic Aurora LifeScience I USD	0.185%	0.000%	75,000	0	2021-05-31
Arctic Aurora LifeScience I USD	0.171%	-7.692%	69,231	-5,769	2021-06-30
Arctic Aurora LifeScience I USD	0.171%	0.000%	69,231	0	2021-07-31
Optimum Small-Mid Cap Growth Instl	0.136%	0.000%	55,247	0	2021-05-31
A4Investments SICAV SIF ACCI IlanaA2EURH	0.128%	17.678%	50,000	7,511	2022-04-30
A4Investments SICAV SIF ACCI IlanaA2EURH	0.109%	0.000%	42,489	42,489	2022-03-31
Optimum Small-Mid Cap Growth Instl	0.100%	-26.870%	40,402	-14,845	2021-06-30
Arctic Aurora LifeScience I USD	0.074%	-56.700%	29,977	-39,254	2021-08-31
Fidelity® NASDAQ Composite Index®	0.055%	22.733%	21,590	3,999	2022-03-31
Peregrine SC Growth CIT Founder's	0.055%	0.000%	22,179	0	2021-05-31
iShares Nasdaq US Biotech ETF USD Acc	0.046%	0.000%	17,827	0	2022-03-31
iShares Nasdaq US Biotech ETF USD Acc	0.046%	0.000%	17,828	0	2022-04-28
iShares Nasdaq US Biotech ETF USD Acc	0.046%	0.000%	17,828	0	2022-04-29
Fidelity® NASDAQ Composite Index®	0.045%	0.000%	17,591	0	2022-01-31
Fidelity® NASDAQ Composite Index®	0.045%	0.000%	17,591	0	2022-02-28
iShares Nasdaq US Biotech ETF USD Acc	0.044%	0.000%	17,277	0	2022-02-28
Fidelity® NASDAQ Composite Index®	0.043%	276.762%	17,591	12,922	2021-09-30
Fidelity® NASDAQ Composite Index®	0.043%	0.000%	17,591	0	2021-10-31
Fidelity® NASDAQ Composite Index®	0.043%	0.000%	17,591	0	2021-11-30
Fidelity® NASDAQ Composite Index®	0.043%	0.000%	17,591	0	2021-12-31
iShares Nasdaq US Biotech ETF USD Acc	0.043%	0.000%	17,388	0	2022-01-31
iShares Nasdaq US Biotech ETF USD Acc	0.042%	0.000%	17,008	0	2021-12-29
iShares Nasdaq US Biotech ETF USD Acc	0.042%	0.000%	17,008	0	2021-12-31
Great-West Small Cap Growth Instl	0.042%	0.000%	16,903	16,903	2021-03-31
Peregrine SC Growth CIT Founder's	0.040%	-26.868%	16,220	-5,959	2021-06-30
Great-West Small Cap Growth Instl	0.030%	-26.871%	12,361	-4,542	2021-06-30
AXA IM Wave Framlington Biotech A	0.026%	7.397%	10,701	737	2021-09-30
AXA IM Wave Biotech A	0.026%	-3.213%	10,302	-342	2022-01-31
AXA IM Wave Biotech A	0.026%	4.486%	10,644	457	2021-12-31
AXA IM Wave Framlington Biotech A	0.026%	-3.215%	10,357	-344	2021-10-31
AXA IM Wave Biotech A	0.025%	-1.641%	10,187	-170	2021-11-30
AXA IM Wave Framlington Biotech A	0.025%	-1.641%	10,187	-170	2021-11-30
AXA IM Wave Framlington Biotech A	0.025%	2.902%	9,964	281	2021-08-31
AXA IM Wave Framlington Biotech A	0.024%	6.034%	9,683	551	2021-07-31
Peregrine Capital Mgt Sm-Cap Growth	0.024%	-93.843%	9,617	-146,572	2021-07-31
Wells Fargo Small Company Gr	0.024%	-93.843%	9,617	-146,572	2021-07-31
Wells Fargo Small Company Growth Admin	0.023%	-93.852%	9,394	-143,409	2021-07-31
AXA IM Wave Framlington Biotech A	0.023%	3.233%	9,132	286	2021-06-30
AXA IM Wave Framlington Biotech A	0.022%	-1.711%	8,846	-154	2021-05-31
L&G Future World ESG UK Index L £ Acc	0.018%	0.000%	6,905	0	2022-01-31
L&G Future World ESG UK Index L £ Acc	0.018%	0.000%	6,905	0	2022-02-28
L&G Future World ESG UK Index L £ Acc	0.018%	0.000%	6,905	0	2022-03-31
L&G Future World ESG UK Index L £ Acc	0.017%	0.000%	6,905	6,905	2021-11-30
L&G Future World ESG UK Index L £ Acc	0.017%	0.000%	6,905	0	2021-12-31
ProShares Ultra Nasdaq Biotechnology	0.014%	0.000%	5,491	5,491	2021-12-31
Fidelity® NASDAQ Composite Index®	0.012%	0.000%	4,669	0	2021-05-31
Fidelity® NASDAQ Composite Index®	0.012%	0.000%	4,669	0	2021-06-30
Fidelity® NASDAQ Composite Index®	0.012%	0.000%	4,669	0	2021-07-31
Fidelity® NASDAQ Composite Index®	0.012%	0.000%	4,669	0	2021-08-31
ProShares Ultra Nasdaq Biotechnology	0.011%	-19.159%	4,439	-1,052	2022-01-31
ProShares Ultra Nasdaq Biotechnology	0.010%	-9.011%	4,039	-400	2022-02-28
ProShares Ultra Nasdaq Biotechnology	0.010%	-0.099%	4,035	-4	2022-03-31
ProShares Ultra Nasdaq Biotechnology	0.010%	-0.942%	3,997	-38	2022-04-30
Optimum Small-Mid Cap Growth Instl	0.006%	-93.842%	2,488	-37,914	2021-07-31
AQR Diversified Arbitrage I	0.003%	0.000%	1,287	1,287	2021-03-31
Peregrine SC Growth CIT Founder's	0.003%	-92.497%	1,217	-15,003	2021-07-31
Invesco Nasdaq Biotechnology ETF	0.003%	0.000%	1,049	0	2022-02-28
Invesco Nasdaq Biotechnology ETF	0.003%	0.000%	958	0	2022-03-31
Invesco Nasdaq Biotechnology ETF	0.003%	0.000%	958	0	2022-04-28
Invesco Nasdaq Biotechnology ETF	0.002%	0.000%	853	0	2022-01-31
Invesco Nasdaq Biotechnology ETF	0.002%	-26.652%	655	-238	2021-12-30
GF NASDAQ Bio-Tech Idx QDII RMB	0.001%	0.000%	406	406	2021-12-31
Undrly L&G Retirement Income MA Fd	0.000%	0.000%	170	170	2021-12-31
Undrly L&G Retirement Income MA Fd	0.000%	-8.235%	156	-14	2022-03-31
Candriam Glb Oncology Impact Eq SMA	0.000%	0.000%	12	0	2021-06-30
Candriam Glb Oncology Impact Eq SMA	0.000%	0.000%	12	0	2021-07-31
Candriam Glb Oncology Impact Eq SMA	0.000%	0.000%	12	0	2021-08-31