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Xilio Therapeutics, Inc.

XLO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001840233

No open-market purchases or sales by Xilio Therapeutics, Inc. insiders were filed in the last 90 days; 27 institutions reported holding it in 13F filings for Q2 2026, worth $32.6M in total; no superinvestor holds it.

13F holders, Q1 2022

Institutional positions in Xilio Therapeutics, Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
41
−1 vs. Q4 2021
Shares held
18.8M
−216.4K (−1.1%) vs. Q4 2021
Total value
$132.7M
−$170.4M (−56.2%) vs. Q4 2021
New holders
3
8 more added
Sold out
4
13 more reduced

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting XLO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 41 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 42 institutionsQ1 2022: 41 institutionsQ2 2022: 33 institutionsQ3 2022: 29 institutionsQ4 2022: 28 institutionsQ1 2023: 32 institutionsQ2 2023: 32 institutionsQ3 2023: 31 institutionsQ4 2023: 34 institutionsQ1 2024: 31 institutionsQ2 2024: 32 institutionsQ3 2024: 33 institutionsQ4 2024: 35 institutionsQ1 2025: 35 institutionsQ2 2025: 35 institutionsQ3 2025: 36 institutionsQ4 2025: 37 institutionsQ1 2026: 24 institutionsQ2 2026: 27 institutions
Value heldQ1 2022: $132.7M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $303.1MQ1 2022: $132.7MQ2 2022: $52.2MQ3 2022: $48.3MQ4 2022: $42.8MQ1 2023: $51.0MQ2 2023: $41.9MQ3 2023: $33.5MQ4 2023: $9.03MQ1 2024: $13.5MQ2 2024: $13.7MQ3 2024: $12.6MQ4 2024: $24.7MQ1 2025: $16.3MQ2 2025: $16.2MQ3 2025: $18.6MQ4 2025: $25.4MQ1 2026: $22.0MQ2 2026: $32.6M
Institutions holding XLO and their total value by quarter
QuarterHoldersValue
Q2 202627$32.6M
Q1 202624$22.0M
Q4 202537$25.4M
Q3 202536$18.6M
Q2 202535$16.2M
Q1 202535$16.3M
Q4 202435$24.7M
Q3 202433$12.6M
Q2 202432$13.7M
Q1 202431$13.5M
Q4 202334$9.03M
Q3 202331$33.5M
Q2 202332$41.9M
Q1 202332$51.0M
Q4 202228$42.8M
Q3 202229$48.3M
Q2 202233$52.2M
Q1 202241$132.7M
Q4 202142$303.1M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Xilio Therapeutics, Inc.; share changes are against Q4 2021.

Institutions holding XLO in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Bain Capital Life Sciences Investors, LLC2,805,413$19.8M1.93%00.0%Unchanged
Atlas Venture Life Science Advisors, LLC2,759,344$19.5M2.47%00.0%Unchanged
FMR LLC2,590,722$18.3M0.00%+20,452+0.8%Added
Deerfield Management Company, L.P. (Series C)2,078,692$14.7M0.33%−75,369−3.5%Reduced
Ra Capital Management, L.P.2,002,217$14.2M0.31%00.0%Unchanged
RiverVest Venture Management LLC1,441,444$10.2M10.46%00.0%Unchanged
Rock Springs Capital Management LP1,191,094$8.42M0.21%00.0%Unchanged
AJU IB Investment Co., Ltd.667,742$4.72M7.29%00.0%Unchanged
Soleus Capital Management, L.P.477,495$3.38M0.52%00.0%Unchanged
Artal Group S.A.450,000$3.18M0.13%00.0%Unchanged
Vanguard Group Inc416,393$2.94M0.00%−7,831−1.8%Reduced
Harvard Management Co Inc416,059$2.94M0.30%00.0%Unchanged
Norges Bank400,000$2.83M0.00%00.0%Unchanged
BlackRock Inc.299,756$2.12M0.00%−24,338−7.5%Reduced
FIL Ltd218,705$1.55M0.00%00.0%Unchanged
Monashee Investment Management LLC163,066$1.15M0.33%−51,187−23.9%Reduced
Geode Capital Management, LLC141,710$1.00M0.00%+7,525+5.6%Added
State Street Corp93,861$664.0K0.00%+34,651+58.5%Added
Northern Trust Corp63,573$449.0K0.00%+539+0.9%Added
Bank of New York Mellon Corp21,029$149.0K0.00%+6,791+47.7%Added
Charles Schwab Investment Management Inc16,100$114.0K0.00%00.0%Unchanged
Nuveen Asset Management, LLC11,284$80.0K0.00%00.0%Unchanged
Granite Point Capital Management, L.P.10,000$71.0K0.04%00.0%Unchanged
New York State Common Retirement Fund5,632$40.0K0.00%+64+1.1%Added
JPMorgan Chase & Co4,844$34.0K0.00%−6,842−58.5%Reduced
Tower Research Capital LLC (TRC)4,294$30.0K0.00%+3,333+346.8%Added
Deutsche Bank AG4,026$28.0K0.00%−482−10.7%Reduced
American International Group, Inc.3,795$27.0K0.00%−149−3.8%Reduced
California State Teachers Retirement System3,208$23.0K0.00%−870−21.3%Reduced
Bank of America Corp2,611$19.0K0.00%−2,163−45.3%Reduced
Morgan Stanley2,104$14.0K0.00%+1,066+102.7%Added
Wells Fargo & Company1,663$12.0K0.00%−2,799−62.7%Reduced
STRS Ohio1,700$12.0K0.00%00.0%Unchanged
Barclays PLC1,243$8.00K0.00%+1,243New
Amalgamated Bank1,078$8.00K0.00%+1,078New
Amalgamated Financial Corp.1,078$8.00K0.00%+1,078New
UBS Group AG964$7.00K0.00%−3,013−75.8%Reduced
Legal & General Group Plc698$5.00K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.573$4.00K0.00%00.0%Unchanged
Royal Bank of Canada470$3.00K0.00%−1,115−70.3%Reduced
Citigroup Inc323$2.00K0.00%−1,871−85.3%Reduced
Caas Capital Management LP0$00.00%−37,019−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−30,000−100.0%Sold out
Davidson Kempner Capital Management LP0$00.00%−29,000−100.0%Sold out
Marshall Wace, LLP0$00.00%−20,189−100.0%Sold out