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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.

Q4 2024 vs. Q3 2024

How the institutions holding Xilio Therapeutics, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of XLO: Q3 2024 compared with Q4 2024
MeasureQ3 2024Of which not filed for Q4 2024Q4 2024Change
Holders33235+4
Shares16.0M1.48M25.9M+11.4M (+78.6%)
Value$12.6M$1.17M$24.7M+$13.3M (+116.3%)

2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (9)

Institutions that held Xilio Therapeutics, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to XLO in Q4 2024
InstitutionSharesValue% of portfolio
Gilead Sciences, Inc.9,105,451$8.70M0.56%
Merck & Co., Inc.1,483,758$1.42M0.55%
AJU IB Investment Co., Ltd.667,742$637.7K0.62%
Trustees of Columbia University in the City of New York249,635$238.4K0.04%
Raymond James Financial Inc50,086$47.8K0.00%
Susquehanna International Group, LLP49,093$46.9K0.00%
Aptus Capital Advisors, LLC41,000$39.2K0.00%
Citadel Advisors LLC40,316$38.5K0.00%
Federation des caisses Desjardins du Quebec3,300$3.15K0.00%

Sold out (5)

Institutions that held Xilio Therapeutics, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of XLO in Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Two Sigma Securities, LLC44,445$35.0K
Engineers Gate Manager LP32,752$25.8K
Millennium Management LLC20,655$16.3K
Avantax Planning Partners, Inc.20,483$16.1K
Dunhill Financial, LLC10,274$8.09K

Not filed for Q4 2024 yet (2)

Institutions that held Xilio Therapeutics, Inc. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding XLO in Q3 2024 that haven't filed for Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
RiverVest Venture Management LLC1,441,444$1.14M
Raymond James & Associates38,825$30.6K