Xilio Development Inc (XLO) Ownership

3.49 ↑0.28 (8.72%)

As of July 7, 2022, 9:40am EST.

Institutions
Mutual Funds

Institutional Ownership

Bain Capital Life Sciences Investors, LLC is the biggest individual institutional holder of Xilio Development Inc (XLO), owning a total of 2.8 million shares. Combined, the top 43 institutional holders of XLO own 112.99% of the company with a total of 31 million shares.

In the latest ownership report, the top 43 institutional holders have increased their combined ownership of XLO by 15.7 million shares, a 33.62% increase from the quarter prior.

Institution Ownership Chart

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Bain Capital Life Sciences Investors, LLC	10.213%	0.000%	2,805,413	2,805,413	2021-12-31
Bain Capital Life Sciences Investors, LLC	10.212%	0.000%	2,805,413	0	2022-03-31
FMR Inc	9.431%	0.796%	2,590,722	20,452	2022-03-31
FMR Inc	9.357%	0.000%	2,570,270	2,570,270	2021-12-31
Deerfield Management Co	7.842%	0.000%	2,154,061	2,154,061	2021-12-31
Deerfield Management Co	7.567%	-3.499%	2,078,692	-75,369	2022-03-31
RA Capital Management, LLC	7.289%	0.000%	2,002,217	2,002,217	2021-12-31
RA Capital Management, LLC	7.288%	0.000%	2,002,217	0	2022-03-31
RiverVest Venture Management LLC	5.248%	0.000%	1,441,444	1,441,444	2021-12-31
RiverVest Venture Management LLC	5.247%	0.000%	1,441,444	0	2022-03-31
Rock Springs Capital Management LP	4.336%	0.000%	1,191,094	1,191,094	2021-12-31
Rock Springs Capital Management LP	4.336%	0.000%	1,191,094	0	2022-03-31
AJU IB Investment Co Ltd	2.431%	0.000%	667,742	667,742	2021-12-31
AJU IB Investment Co Ltd	2.431%	0.000%	667,742	0	2022-03-31
Soleus Capital Management, L.P.	1.738%	0.000%	477,495	477,495	2021-12-31
Soleus Capital Management, L.P.	1.738%	0.000%	477,495	0	2022-03-31
Artal Group S A	1.638%	0.000%	450,000	450,000	2021-12-31
Artal Group S A	1.638%	0.000%	450,000	0	2022-03-31
Vanguard Group Inc	1.544%	0.000%	424,224	424,224	2021-12-31
Vanguard Group Inc	1.516%	-1.846%	416,393	-7,831	2022-03-31
Harvard Management Co Inc	1.515%	0.000%	416,059	416,059	2021-12-31
Harvard Management Co Inc	1.515%	0.000%	416,059	0	2022-03-31
BlackRock Inc	1.180%	0.000%	324,094	324,094	2021-12-31
Fidelity International Ltd	0.796%	0.000%	218,705	0	2022-03-31
Fidelity International Ltd	0.796%	0.000%	218,705	218,705	2021-12-31
Monashee Investment Management LLC	0.780%	0.000%	214,253	214,253	2021-12-31
Monashee Investment Management LLC	0.594%	-23.891%	163,066	-51,187	2022-03-31
Geode Capital Management, LLC	0.516%	5.608%	141,710	7,525	2022-03-31
Geode Capital Management, LLC	0.489%	0.000%	134,185	134,185	2021-12-31
State Street Corporation	0.342%	58.522%	93,861	34,651	2022-03-31
Northern Trust Corp	0.231%	0.855%	63,573	539	2022-03-31
Northern Trust Corp	0.230%	0.000%	63,034	63,034	2021-12-31
State Street Corporation	0.216%	0.000%	59,210	59,210	2021-12-31
CAAS CAPITAL MANAGEMENT LP	0.135%	0.000%	37,019	37,019	2021-12-31
Ghisallo Capital Management LLC	0.109%	0.000%	30,000	30,000	2021-12-31
Davidson Kempner Capital Management LP	0.106%	0.000%	29,000	29,000	2021-12-31
Bank of New York Mellon Corp	0.077%	47.696%	21,029	6,791	2022-03-31
Marshall Wace Asset Management Ltd	0.074%	0.000%	20,189	20,189	2021-12-31
Charles Schwab Investment Management Inc	0.059%	0.000%	16,100	0	2022-03-31
Charles Schwab Investment Management Inc	0.059%	0.000%	16,100	16,100	2021-12-31
Bank of New York Mellon Corp	0.052%	0.000%	14,238	14,238	2021-12-31
JPMorgan Chase & Co	0.043%	0.000%	11,686	11,686	2021-12-31
Nuveen Asset Management, LLC	0.041%	0.000%	11,284	11,284	2022-03-31

Mutual Fund Ownership

Fidelity® Select Biotechnology is the biggest individual fund holder of Xilio Development Inc (XLO), owning a total of 750 thousand shares. Combined, the top 155 mutual fund holders of XLO own 37.67% of the company with a total of 10.3 million shares.

In the latest ownership report, the top 155 mutual funds have increased their combined ownership of XLO by 1.4 million shares, a 12.03% increase from the quarter prior.

Mutual Funds Chart

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Fidelity® Select Biotechnology	2.813%	0.000%	750,000	750,000	2021-10-31
Fidelity® Select Biotechnology	2.545%	-6.808%	698,942	-51,058	2021-11-30
Fidelity® Select Biotechnology	2.486%	9.503%	683,051	59,277	2022-03-31
Fidelity® Select Biotechnology	2.412%	-5.200%	662,600	-36,342	2021-12-31
Fidelity® Select Biotechnology	2.412%	0.000%	662,600	0	2022-01-31
Fidelity® Select Biotechnology	2.369%	-4.735%	650,710	-32,341	2022-04-30
Fidelity® Select Biotechnology	2.271%	-5.860%	623,774	-38,826	2022-02-28
Vanguard Total Stock Mkt Idx Inv	0.829%	366.706%	227,813	179,000	2021-12-31
Vanguard Total Stock Mkt Idx Inv	0.829%	0.000%	227,813	0	2022-01-31
Vanguard Total Stock Mkt Idx Inv	0.829%	0.000%	227,813	0	2022-02-28
Vanguard Total Stock Mkt Idx Inv	0.829%	0.000%	227,813	0	2022-03-31
Vanguard Total Stock Mkt Idx Inv	0.829%	0.000%	227,813	0	2022-04-30
Vanguard Total Stock Mkt Idx Inv	0.829%	0.000%	227,813	0	2022-05-31
Vanguard Extended Market Index Investor	0.571%	640.152%	156,816	135,629	2021-12-31
Vanguard Extended Market Index Investor	0.546%	-4.354%	149,988	-6,828	2022-01-31
Vanguard Extended Market Index Investor	0.539%	-1.339%	147,980	-2,008	2022-02-28
Vanguard Extended Market Index Investor	0.539%	0.000%	147,980	0	2022-03-31
Vanguard Extended Market Index Investor	0.539%	0.000%	147,980	0	2022-04-30
Vanguard Extended Market Index Investor	0.538%	-0.203%	147,680	-300	2022-05-31
iShares Russell 2000 ETF	0.497%	4.640%	136,519	6,054	2021-12-29
iShares Russell 2000 ETF	0.497%	0.065%	136,459	88	2021-12-31
iShares Russell 2000 ETF	0.487%	-1.025%	133,885	-1,386	2022-01-31
iShares Russell 2000 ETF	0.483%	-0.593%	132,785	-792	2022-02-28
iShares Russell 2000 ETF	0.482%	-0.315%	132,499	-418	2022-03-31
iShares Russell 2000 ETF	0.473%	0.459%	129,991	594	2022-04-28
iShares Russell 2000 ETF	0.471%	0.170%	129,353	220	2022-05-31
iShares Russell 2000 ETF	0.467%	-1.236%	128,385	-1,606	2022-04-29
Fidelity® Small Cap Index	0.197%	2.710%	54,191	1,430	2022-02-28
Fidelity® Small Cap Index	0.197%	0.000%	54,191	0	2022-03-31
Fidelity® Small Cap Index	0.197%	0.000%	54,191	0	2022-04-30
Fidelity® Small Cap Index	0.192%	0.000%	52,761	52,761	2021-12-31
Fidelity® Small Cap Index	0.192%	0.000%	52,761	0	2022-01-31
Vanguard Total Stock Mkt Idx Inv	0.183%	0.000%	48,813	48,813	2021-10-31
Vanguard Total Stock Mkt Idx Inv	0.178%	0.000%	48,813	0	2021-11-30
Fidelity® Extended Market Index	0.148%	0.000%	40,579	40,579	2021-12-31
Fidelity® Extended Market Index	0.148%	0.000%	40,579	0	2022-01-31
Fidelity® Extended Market Index	0.148%	0.000%	40,579	0	2022-02-28
Fidelity® Extended Market Index	0.148%	0.000%	40,579	0	2022-03-31
Fidelity® Extended Market Index	0.148%	0.000%	40,579	0	2022-04-30
iShares Micro-Cap ETF	0.146%	0.000%	40,108	0	2022-06-29
iShares Russell 2000 Growth ETF	0.134%	-0.114%	36,785	-42	2022-05-31
iShares Russell 2000 Growth ETF	0.131%	0.000%	35,861	0	2022-03-31
iShares Russell 2000 Growth ETF	0.130%	0.117%	35,819	42	2021-12-29
iShares Russell 2000 Growth ETF	0.130%	0.000%	35,693	0	2021-12-31
iShares Russell 2000 Growth ETF	0.128%	0.000%	35,105	0	2022-04-28
iShares Russell 2000 Growth ETF	0.128%	0.000%	35,105	0	2022-04-29
iShares Russell 2000 Growth ETF	0.128%	0.481%	35,063	168	2022-02-28
iShares Russell 2000 Growth ETF	0.124%	-0.123%	34,181	-42	2022-01-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.109%	94.771%	29,800	14,500	2022-01-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.109%	0.000%	29,800	0	2022-02-28
State St Russell Sm/Mid Cp® Indx NL Cl C	0.109%	0.000%	29,800	0	2022-03-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.109%	0.000%	29,800	0	2022-04-30
State St Russell Sm/Mid Cp® Indx NL Cl C	0.109%	0.000%	29,800	0	2022-05-31
iShares Russell 2000 Value ETF	0.107%	0.000%	29,442	0	2021-12-29
iShares Russell 2000 Value ETF	0.107%	0.000%	29,442	0	2021-12-31
iShares Russell 2000 Value ETF	0.106%	0.000%	29,172	0	2022-01-31
iShares Russell 2000 Value ETF	0.104%	0.000%	28,452	0	2022-02-28
iShares Russell 2000 Value ETF	0.101%	0.000%	27,792	0	2022-03-31
iShares Russell 2000 Value ETF	0.096%	0.000%	26,322	0	2022-04-28
iShares Russell 2000 Value ETF	0.096%	-0.285%	26,247	-75	2022-04-29
iShares Russell 2000 Value ETF	0.093%	0.000%	25,632	0	2022-05-31
NT R2000 Index Fund - NL	0.081%	0.000%	22,266	22,266	2021-12-31
Vanguard Extended Market Index Investor	0.080%	0.000%	21,187	21,187	2021-10-31
NT R2000 Index Fund - NL	0.078%	-4.078%	21,358	-908	2022-03-31
Vanguard Extended Market Index Investor	0.077%	0.000%	21,187	0	2021-11-30
Vanguard Russell 2000 ETF	0.074%	3.589%	20,263	702	2022-03-31
Vanguard Russell 2000 ETF	0.071%	4.857%	19,561	906	2022-02-28
Vanguard Russell 2000 ETF	0.069%	413.454%	18,967	15,273	2021-12-31
State St Russell Sm Cap® Indx NL Cl C	0.068%	2.683%	18,791	491	2022-01-31
State St Russell Sm Cap® Indx NL Cl C	0.068%	0.000%	18,791	0	2022-02-28
State St Russell Sm Cap® Indx NL Cl C	0.068%	0.000%	18,791	0	2022-03-31
State St Russell Sm Cap® Indx NL Cl C	0.068%	0.000%	18,791	0	2022-04-30
State St Russell Sm Cap® Indx NL Cl C	0.068%	0.000%	18,791	0	2022-05-31
Vanguard Russell 2000 ETF	0.068%	-7.699%	18,703	-1,560	2022-04-30
Vanguard Russell 2000 ETF	0.068%	-1.645%	18,655	-312	2022-01-31
State St Russell Sm Cap® Indx NL Cl C	0.067%	0.000%	18,300	18,300	2021-12-31
Vanguard Russell 2000 ETF	0.067%	-2.278%	18,277	-426	2022-05-31
iShares Micro-Cap ETF	0.066%	0.000%	18,236	0	2021-12-29
iShares Micro-Cap ETF	0.066%	0.000%	18,236	0	2021-12-31
iShares Micro-Cap ETF	0.065%	-0.569%	17,828	-102	2022-01-31
iShares Micro-Cap ETF	0.064%	0.000%	17,624	0	2022-02-28
iShares Micro-Cap ETF	0.063%	0.000%	17,318	0	2022-03-31
iShares Micro-Cap ETF	0.063%	0.000%	17,216	0	2022-04-28
iShares Micro-Cap ETF	0.063%	0.000%	17,216	0	2022-04-29
iShares Micro-Cap ETF	0.063%	0.000%	17,216	0	2022-05-31
NT R2000 Index Fund - DC - NL - 2	0.062%	0.000%	17,075	17,075	2021-12-31
Schwab Small Cap Index	0.059%	0.000%	16,100	16,100	2021-12-31
Schwab Small Cap Index	0.059%	0.000%	16,100	0	2022-01-31
Schwab Small Cap Index	0.059%	0.000%	16,100	0	2022-02-28
Schwab Small Cap Index	0.059%	0.000%	16,100	0	2022-03-31
Schwab Small Cap Index	0.059%	0.000%	16,100	0	2022-04-30
Schwab Small Cap Index	0.059%	0.000%	16,100	0	2022-05-31
NT R2000 Index Fund - DC - NL - 2	0.058%	1.772%	15,798	275	2022-03-31
Fidelity® NASDAQ Composite Index®	0.057%	12.067%	15,714	1,692	2022-03-31
Fidelity® NASDAQ Composite Index®	0.057%	0.000%	15,714	0	2022-04-30
NT R2000 Index Fund - DC - NL - 2	0.057%	-9.089%	15,523	-1,552	2022-01-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.056%	0.000%	15,300	15,300	2021-12-31
Fidelity® NASDAQ Composite Index®	0.051%	0.000%	14,022	14,022	2021-12-31
Fidelity® NASDAQ Composite Index®	0.051%	0.000%	14,022	0	2022-01-31
Fidelity® NASDAQ Composite Index®	0.051%	0.000%	14,022	0	2022-02-28
NT R2000 Growth Index Fund - NL	0.049%	0.000%	13,327	13,327	2021-12-31
NT R2000 Growth Index Fund - NL	0.049%	0.000%	13,327	0	2022-03-31
Russell 2000 Index Non-Lendable Fund E	0.046%	35.531%	12,622	3,309	2022-03-31
iShares Russell 2000 Small-Cap Idx Instl	0.046%	0.000%	12,495	12,495	2021-12-31
iShares Russell 2000 Small-Cap Idx Instl	0.046%	0.000%	12,495	0	2022-01-31
iShares Russell 2000 Small-Cap Idx Instl	0.046%	0.000%	12,495	0	2022-02-28
iShares Russell 2000 Small-Cap Idx Instl	0.046%	0.000%	12,495	0	2022-03-31
TIAA-CREF Small-Cap Blend Idx Inst	0.041%	0.000%	11,284	11,284	2021-12-31
TIAA-CREF Small-Cap Blend Idx Inst	0.041%	0.000%	11,284	0	2022-01-31
TIAA-CREF Small-Cap Blend Idx Inst	0.041%	0.000%	11,284	0	2022-02-28
TIAA-CREF Small-Cap Blend Idx Inst	0.041%	0.000%	11,284	0	2022-03-31
TIAA-CREF Small-Cap Blend Idx Inst	0.041%	0.000%	11,284	0	2022-04-30
Fidelity® Total Market Index	0.040%	0.000%	11,070	11,070	2021-12-31
Fidelity® Total Market Index	0.040%	0.000%	11,070	0	2022-01-31
Fidelity® Total Market Index	0.040%	0.000%	11,070	0	2022-02-28
Fidelity® Total Market Index	0.040%	0.000%	11,070	0	2022-04-30
NT R2000 Value Index Fund - NL	0.038%	0.000%	10,532	10,532	2021-12-31
Northern Trust Russell 2000 Growth Index	0.037%	0.000%	10,186	10,186	2022-03-31
NT R2000 Growth Index Fund - L	0.037%	7.153%	10,186	680	2022-03-31
EQ/2000 Managed Volatility IB	0.036%	0.000%	9,947	9,947	2021-12-31
NT R2000 Growth Index Fund - L	0.035%	0.000%	9,506	9,506	2021-12-31
Russell 2000 Index Non-Lendable Fund E	0.034%	0.000%	9,313	9,313	2021-12-31
Russell Personalized DI All Cap SMA	0.027%	0.000%	7,352	7,352	2021-12-31
NT Ext Equity Mkt Idx Fd - NL	0.027%	0.000%	7,334	7,334	2021-12-31
BlackRock Russell 2000® Index NL F	0.024%	0.000%	6,562	6,562	2021-12-31
NT R2000 Index Fund - L	0.022%	0.000%	6,130	6,130	2021-12-31
NT R2000 Value Index Fund - L	0.022%	0.000%	5,905	5,905	2021-12-31
NT Ext Equity Mkt Idx Fd - L	0.020%	0.000%	5,496	5,496	2021-12-31
Vanguard Russell 2000 ETF	0.014%	0.000%	3,694	3,694	2021-10-31
Vanguard Russell 2000 ETF	0.013%	0.000%	3,694	0	2021-11-30
BlackRock Russell 2000® Value F	0.008%	0.000%	2,275	2,275	2021-12-31
SEI Extended Market Index A (SIIT)	0.006%	0.000%	1,600	1,600	2021-12-31
Vanguard Balanced Index Inv	0.005%	0.000%	1,346	1,346	2021-10-31
Vanguard Instl Ttl Stk Mkt Idx InstlPls	0.005%	0.000%	1,346	1,346	2021-10-31
Vanguard Balanced Index Inv	0.005%	0.000%	1,346	0	2021-11-30
Vanguard Instl Ttl Stk Mkt Idx InstlPls	0.005%	0.000%	1,346	0	2021-11-30
Bridge Builder Small/Mid Cap Value	0.004%	0.000%	1,067	1,067	2021-12-31
Nationwide Multi-Cap Portfolio R6	0.004%	0.000%	946	946	2021-10-31
Nationwide Multi-Cap Portfolio R6	0.003%	0.000%	946	0	2021-11-30
iShares US Small Cap ETF (CAD-Hedged)	0.003%	-0.216%	926	-2	2021-12-30
iShares US Small Cap ETF (CAD-Hedged)	0.003%	1.512%	940	14	2021-12-31
ProShares UltraPro Russell2000	0.003%	0.000%	940	940	2021-12-31
Vanguard Russell 2000 Growth ETF	0.003%	0.000%	791	791	2021-10-31
Vanguard Russell 2000 Growth ETF	0.003%	0.000%	791	0	2021-11-30
Bridge Builder Small/Mid Cap Growth	0.003%	0.000%	691	691	2021-12-31
Vanguard U.S. Eq Idx £ Acc	0.002%	0.000%	633	633	2021-10-31
Vanguard U.S. Eq Idx £ Acc	0.002%	0.000%	633	0	2021-11-30
iShares Russell 2500 ETF	0.001%	5.247%	341	17	2021-12-29
The Vanguard Total Stock Market Index	0.001%	0.000%	290	290	2021-10-31
Vanguard Russell 2000 Value ETF	0.001%	0.000%	290	290	2021-10-31
The Vanguard Total Stock Market Index	0.001%	0.000%	290	0	2021-11-30
Vanguard Russell 2000 Value ETF	0.001%	0.000%	290	0	2021-11-30
Vanguard Russell 3000 ETF	0.000%	0.000%	79	79	2021-10-31
Vanguard Russell 3000 ETF	0.000%	0.000%	79	0	2021-11-30
Nationwide Russell 2000 Rsk-Mngd Inc ETF	0.000%	7.692%	42	3	2021-12-30