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

CUSIP: 98422T100

Q1 2025 13F Holders as of 31 Mar 2025

Security identity
Security type / class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
6,426,426
Holder snapshot
Total 13F shares
22,528,206
Share change
-3,332,149
Total reported value
$16,318,555
Reported price per share
$0.72
Number of holders
35
Value change
-$3,181,066
Number of buys
13
Number of sells
13

Security key

98422T100

Report period

Q1 2025

Institutions

35

Top holders

10

XLO full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2025 Previous quarter: Q4 2024 Xilio Therapeutics, Inc. SEC filings Xilio Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders 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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
AbbVie Inc.
13D/G signal
AbbVie Inc.
Evidence rows
15
Latest as of
11 Feb 2025
13D/G 13F 3/4/5 Lead comparable stake: 9% 13D/G row: AbbVie Inc. Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
AbbVie Inc.
13D/G
13D/G
9%
$3,304,348
4,347,826 shares
 $0 11 Feb 2025
GILEAD SCIENCES, INC.
13F
Company
13F
142%
$8,695,706
9,105,451 shares
 — 31 Dec 2024
Bain Capital Life Sciences Investors, LLC
13F 3/4/5
Company · 10%+ Owner
13F 3/4/5
71%
$4,361,310
4,566,817 shares
 — 31 Dec 2024
Rock Springs Capital Management LP
13F 3/4/5
Company · 10%+ Owner
13F 3/4/5
47%
$2,868,112
3,003,259 shares
 — 31 Dec 2024
Merck & Co., Inc.
13F
Company
13F
23%
$1,416,989
1,483,758 shares
 — 31 Dec 2024
TAKEDA PHARMACEUTICAL CO LTD
13F 3/4/5
Company · 10%+ Owner
13F 3/4/5
23%
$1,416,116
1,475,121 shares
 — 31 Dec 2024
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
35
Shares
22,528,206
Rows available
35
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q1 2025 vs Q4 2024 Across Filers

Q4 2024 holders
34
Q1 2025 holders
35
Holder diff
1
Investor Q4 2024 Shares Q1 2025 Shares Share Diff Share Chg % Q4 2024 value Q1 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .