aTyr Pharma Inc (LIFE) Ownership

2.37 ↓0.08 (-3.27%)

As of January 27, 2023, 1:52pm EST.

Institutions
Mutual Funds

Institutional Ownership

VR Adviser, LLC is the biggest individual institutional holder of aTyr Pharma Inc (LIFE), owning a total of 10.7 million shares. Combined, the top 22 institutional holders of LIFE own 98.14% of the company with a total of 28.5 million shares.

In the latest ownership report on September 30th 2022, the top 22 institutional holders increased their combined ownership of LIFE by 9.9 million shares. 11 institutions bought 10,069,420 total additional shares and increased their ownership by an average of 872.33%. However 4 institutions sold 177,493 total shares and decreased their ownership by an average of 11.97%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of aTyr Pharma increased by a net total of 9,891,927 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
VR Adviser, LLC	36.881%	664.813%	10,698,889	9,300,000	2022-09-30
Federated Hermes Inc	18.002%	0.000%	5,222,250	0	2022-09-30
FMR Inc	14.801%	2.027%	4,293,756	85,319	2022-09-30
Tikvah Management LLC	4.657%	0.000%	1,350,833	0	2022-09-30
Vanguard Group Inc	3.928%	0.000%	1,139,533	0	2022-09-30
TANG CAPITAL MANAGEMENT LLC	3.838%	0.000%	1,113,453	0	2022-09-30
Alyeska Investment Group, L.P.	3.719%	10.945%	1,078,747	106,421	2022-09-30
Stonepine Capital Management Llc	2.072%	-0.100%	600,980	-600	2022-09-30
Telemetry Investments, L.L.C.	1.698%	10.179%	492,500	45,500	2022-09-30
Walleye Trading Advisors, LLC	1.403%	0.000%	406,886	406,886	2022-09-30
BlackRock Inc	0.921%	-1.132%	267,098	-3,059	2022-09-30
Geode Capital Management, LLC	0.826%	0.288%	239,496	687	2022-09-30
Baker Bros Advisors LP	0.694%	-46.217%	201,361	-173,034	2022-09-30
Renaissance Technologies Corp	0.646%	24.333%	187,525	36,700	2022-09-30
Two Sigma Advisers, LLC	0.631%	-0.435%	183,150	-800	2022-09-30
Two Sigma Investments LLC	0.621%	0.816%	180,014	1,457	2022-09-30
Marshall Wace Asset Management Ltd	0.606%	10.353%	175,910	16,503	2022-09-30
Dimensional Fund Advisors, Inc.	0.584%	14.746%	169,360	21,764	2022-09-30
State Street Corporation	0.286%	0.000%	82,908	0	2022-09-30
Royal Bank of Canada	0.168%	8,857.170%	48,727	48,183	2022-09-30

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
VR Adviser, LLC	36.881%	664.813%	10,698,889	9,300,000	2022-09-30
Federated Hermes Inc	18.002%	0.000%	5,222,250	0	2022-09-30
FMR Inc	14.801%	2.027%	4,293,756	85,319	2022-09-30
Tikvah Management LLC	4.657%	0.000%	1,350,833	0	2022-09-30
Vanguard Group Inc	3.928%	0.000%	1,139,533	0	2022-09-30
TANG CAPITAL MANAGEMENT LLC	3.838%	0.000%	1,113,453	0	2022-09-30
Alyeska Investment Group, L.P.	3.719%	10.945%	1,078,747	106,421	2022-09-30
Stonepine Capital Management Llc	2.072%	-0.100%	600,980	-600	2022-09-30
Telemetry Investments, L.L.C.	1.698%	10.179%	492,500	45,500	2022-09-30
Walleye Trading Advisors, LLC	1.403%	0.000%	406,886	406,886	2022-09-30
Deep Track Capital, LP	1.003%	-71.722%	290,844	-737,671	2022-06-30
BlackRock Inc	0.921%	-1.132%	267,098	-3,059	2022-09-30
Geode Capital Management, LLC	0.826%	0.288%	239,496	687	2022-09-30
Baker Bros Advisors LP	0.694%	-46.217%	201,361	-173,034	2022-09-30
Renaissance Technologies Corp	0.646%	24.333%	187,525	36,700	2022-09-30
Two Sigma Advisers, LLC	0.631%	-0.435%	183,150	-800	2022-09-30
Two Sigma Investments LLC	0.621%	0.816%	180,014	1,457	2022-09-30
Marshall Wace Asset Management Ltd	0.606%	10.353%	175,910	16,503	2022-09-30
Dimensional Fund Advisors, Inc.	0.584%	14.746%	169,360	21,764	2022-09-30
State Street Corporation	0.286%	0.000%	82,908	0	2022-09-30
Royal Bank of Canada	0.168%	8,857.170%	48,727	48,183	2022-09-30
Susquehanna International Group, LLP	0.160%	0.000%	46,539	46,539	2022-06-30

Mutual Fund Ownership

Federated Hermes Kaufmann Small Cap Grow is the biggest individual fund holder of aTyr Pharma Inc (LIFE), owning a total of 2.9 million shares. Combined, the top 20 mutual fund holders of LIFE own 58.55% of the company with a total of 17 million shares.

In the latest ownership report on December 31st 2022, the top 20 fund holders decreased their combined ownership of LIFE by 245 shares. None of the mutual funds bought any additional shares. However 1 funds sold 245 total shares and decreased their ownership by an average of 0.73%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding aTyr Pharma decreased by a net total of -245 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Extended Equity Market K	0.114%	-0.734%	33,141	-245	2022-12-31

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Federated Hermes Kaufmann Small Cap Grow	9.997%	0.000%	2,900,000	0	2022-09-30
Federated Hermes Kaufmann Small Cap A	9.997%	0.000%	2,900,000	0	2022-09-30
Federated Hermes Kaufmann Growth	7.808%	0.000%	2,265,000	0	2022-09-30
Federated Hermes Kaufmann R	7.808%	0.000%	2,265,000	0	2022-09-30
Fidelity Growth Compy Commingled Pl 3	5.376%	2.448%	1,559,535	37,257	2022-11-30
Fidelity® Select Biotechnology	3.954%	0.000%	1,146,952	0	2022-11-30
Fidelity® Growth Company	3.491%	-0.521%	1,012,631	-5,306	2022-11-30
Vanguard Instl Ttl Stck Mkt Idx Tr	2.544%	0.000%	737,935	0	2022-09-30
Vanguard Total Stock Mkt Idx Inv	2.544%	0.000%	737,935	0	2022-11-30
Fidelity® Growth Company K6	1.378%	5.686%	399,658	21,500	2022-11-30
Vanguard Extended Market Index Investor	1.216%	0.000%	352,693	0	2022-11-30
Fidelity® Series Growth Company	0.802%	1.839%	232,631	4,200	2022-11-30
Fidelity® Extended Market Index	0.494%	0.000%	143,269	0	2022-11-30
DFA US Small Cap I	0.239%	0.000%	69,329	0	2022-11-30
Federated Hermes Kaufmann II P	0.197%	0.000%	57,250	0	2022-09-30
iShares Micro-Cap ETF	0.194%	0.000%	56,403	0	2022-12-30
DFA US Micro Cap I	0.154%	0.000%	44,607	0	2022-11-30
BlackRock Extended Mkt Composite	0.130%	0.000%	37,813	0	2022-09-30
Fidelity® Total Market Index	0.118%	0.000%	34,154	0	2022-11-30
BlackRock Extended Equity Market K	0.114%	-0.734%	33,141	-245	2022-12-31