Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share (XLO)

Q: What does CUSIP 98422T100 represent in this 13F holders report?

CUSIP 98422T100 is the security identifier for XLO - Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held XLO - Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share in Q2 2023?

32 institutional investors reported XLO - Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share for Q2 2023. Use the holders table for investor-level position and value details.

CUSIP: 98422T100

Q2 2023 13F Holders as of 30 Jun 2023

Type / Class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 73,644,024
Total 13F shares: 16,002,286
Share change: -69,771
Total reported value: $41,925,598
Price per share: $2.62
Number of holders: 32
Value change: -$192,245
Number of buys: 5
Number of sells: 7

Quarterly Holders Quick Answers

What is CUSIP 98422T100?
CUSIP 98422T100 identifies XLO - Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2023
Previous quarter: Q1 2023

Recent filing periods for CUSIP 98422T100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of XLO - Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Bain Capital Life Sciences Investors, LLC	13F 3/4/5	Company · 10%+ Owner	3.8%	2,805,413	$8,893,000	—	31 Mar 2023	13F 3/4/5
Atlas Venture Life Science Advisors, LLC	13F	Company	3.7%	2,759,344	$8,747,120	—	31 Mar 2023	13F
Octagon Capital Advisors LP	13F	Company	3.3%	2,425,000	$7,687,250	—	31 Mar 2023	13F
FMR LLC	13F 3/4/5	Company · Other*	2.6%	1,907,671	$6,066,394	—	31 Mar 2023	13F 3/4/5
RiverVest Venture Management LLC	13F	Company	2%	1,441,444	$4,569,377	—	31 Mar 2023	13F
Rock Springs Capital Management LP	13F 3/4/5	Company · 10%+ Owner	2%	1,440,759	$4,567,206	—	31 Mar 2023	13F 3/4/5
VANGUARD GROUP INC	13F	Company	1.2%	890,353	$2,822,419	—	31 Mar 2023	13F
SV7 Impact Medicine Fund LP	3/4/5	10%+ Owner	— class O/S missing	3,227,264	$2,678,630	—	26 Oct 2021	3/4/5
James E. Flynn	3/4/5	Possible Member of 10% Group, 10%+ Owner	— class O/S missing	2,287,944	$1,898,994	—	26 Oct 2021	3/4/5
Artal Group S.A.	13F	Company	0.61%	450,000	$1,427,000	—	31 Mar 2023	13F
HARVARD MANAGEMENT CO INC	13F	Company	0.56%	416,059	$1,323,068	—	31 Mar 2023	13F
TAKEDA PHARMACEUTICAL CO LTD	3/4/5	10%+ Owner	— class O/S missing	1,475,121	$1,224,350	—	26 Oct 2021	3/4/5
RiverVest Venture Fund IV, L.P.	3/4/5	10%+ Owner	— class O/S missing	1,441,444	$1,196,399	—	26 Oct 2021	3/4/5
BAY CITY CAPITAL LLC	3/4/5	10%+ Owner	— class O/S missing	1,129,490	$937,477	—	26 Oct 2021	3/4/5
Trustees of Columbia University in the City of New York	13F	Company	0.34%	249,635	$791,343	—	31 Mar 2023	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.31%	227,276	$720,465	—	31 Mar 2023	13F
Soleus Capital Management, L.P.	13F	Company	0.31%	226,941	$719,403	—	31 Mar 2023	13F
FIL Ltd	13F 3/4/5	Company · Other*	0.3%	218,705	$695,482	—	31 Mar 2023	13F 3/4/5
Merck KGaA	3/4/5	10%+ Owner	— class O/S missing	680,825	$565,085	—	26 Oct 2021	3/4/5
Laurion Capital Management LP	13F	Company	0.19%	142,900	$454,422	—	31 Mar 2023	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.15%	110,481	$351,330	—	31 Mar 2023	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.12%	84,726	$269,428	—	31 Mar 2023	13F
CITADEL ADVISORS LLC	13F	Company	0.1%	71,635	$227,800	—	31 Mar 2023	13F
BlackRock Finance, Inc.	13F	Company	0.07%	51,005	$161,686	—	31 Mar 2023	13F
Alexandria Venture Investments, LLC	3/4/5	10%+ Owner	— class O/S missing	166,423	$138,131	—	26 Oct 2021	3/4/5
Simon M. Tomlinson	3/4/5	10%+ Owner	— class O/S missing	131,117	$108,827	—	21 Oct 2021	3/4/5
MORGAN STANLEY	13F	Company	0.04%	30,539	$96,809	—	31 Mar 2023	13F
John Charles Williams	3/4/5	10%+ Owner	— class O/S missing	100,080	$83,066	—	21 Oct 2021	3/4/5
Of Ulrich Rodeck Estate	3/4/5	10%+ Owner	— class O/S missing	100,080	$83,066	—	21 Oct 2021	3/4/5
Timothy P. Clackson	3/4/5	10%+ Owner	— class O/S missing	90,956	$75,493	—	21 Oct 2021	3/4/5
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.03%	18,800	$60,000	—	31 Mar 2023	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.02%	17,881	$56,862	—	31 Mar 2023	13F
CANNELL CAPITAL LLC	13F	Company	0.02%	17,025	$53,969	—	31 Mar 2023	13F
NORTHERN TRUST CORP	13F	Company	0.02%	16,897	$53,563	—	31 Mar 2023	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.02%	16,746	$53,000	—	31 Mar 2023	13F
STATE STREET CORP	13F	Company	0.02%	15,690	$49,894	—	31 Mar 2023	13F
NWAM LLC	13F	Company	0.01%	10,000	$31,700	—	31 Mar 2023	13F
Tower Research Capital LLC (TRC)	13F	Company	0.01%	4,591	$15,000	—	31 Mar 2023	13F
JPMORGAN CHASE & CO	13F	Company	0%	2,701	$9,000	—	31 Mar 2023	13F
Rachel Humphrey	3/4/5	Director	— class O/S missing	9,444	$7,839	—	21 Oct 2021	3/4/5
Key FInancial Inc	13F	Company	0%	830	$2,631	—	31 Mar 2023	13F
ROYAL BANK OF CANADA	13F	Company	0%	731	$2,000	—	31 Mar 2023	13F
UBS Group AG	13F	Company	0%	201	$637	—	31 Mar 2023	13F
WELLS FARGO & COMPANY/MN	13F	Company	0%	78	$247	—	31 Mar 2023	13F
Salvatore Giovine	3/4/5	CHIEF FINANCIAL OFFICER	— class O/S missing	49,500	—	—	22 Feb 2022	3/4/5
Edward C. English	3/4/5	PRINCIPAL ACCOUNTING OFFICER	— class O/S missing	24,000	—	—	01 Jan 2023	3/4/5
Michael Jay Ross	3/4/5	Director	— class O/S missing	13,200	—	—	15 Jun 2022	3/4/5
Tomas J. Heyman	3/4/5	Director	— class O/S missing	13,200	—	—	12 Jun 2023	3/4/5

Institutional Holders of Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share (XLO) as of Q2 2023

As of 30 Jun 2023, Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share (XLO) was held by 32 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 16,002,286 shares. The largest 10 holders included Bain Capital Life Sciences Investors, LLC, Atlas Venture Life Science Advisors, LLC, Octagon Capital Advisors LP, FMR LLC, RiverVest Venture Management LLC, Rock Springs Capital Management LP, VANGUARD GROUP INC, Artal Group S.A., HARVARD MANAGEMENT CO INC, and Trustees of Columbia University in the City of New York. This page lists 32 institutional shareholders reporting positions in this security for the Q2 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2023 vs Q1 2023 Across Filers

Q1 2023 holders

Q2 2023 holders

Holder diff

Investor	Q1 2023 Shares	Q2 2023 Shares	Share Diff	Share Chg %	Q1 2023 Value $	Q2 2023 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.