Security key
98422T100
Xilio Therapeutics, Inc. - Common Stock, par value $0.0001 per share (XLO)
CUSIP: 98422T100
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 18,324,586
- Total 13F value
- $269,421,063
- Share change
- +14,123,798
- SEC-reported price per share
- $16.00
- Number of holders
- 41
- Value change
- +$225,248,000
- Number of buys
- 39
- Shares outstanding
- 6,426,426
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
41
Top holders
10
XLO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Xilio Therapeutics, Inc. SEC filings
Xilio Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 98422T100
Recent filing periods:
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.
Comparable stake leader
SV7 Impact Medicine Fund LP
Disclosed value leader
SV7 Impact Medicine Fund LP
Comparable rows
0/15
Latest evidence
08 Dec 2021
3/4/5
Highest disclosed value: $2,678,630
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
SV7 Impact Medicine Fund LP has the largest disclosed position value at $2.68M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SV7 Impact Medicine Fund LP's linked filing trail.
Disclosed position value
Top 5
SV7 Impact Medicine Fund LP
$2.68M
Bain Capital Life Sciences Invest...
$2.33M
James E. Flynn
$1.9M
TAKEDA PHARMACEUTICAL CO LTD
$1.22M
RiverVest Venture Fund IV, L.P.
$1.2M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SV7 Impact Medicine Fund LP |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$2,678,630
3,227,264 shares
|
— | 26 Oct 2021 |
| Bain Capital Life Sciences Investors, LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$2,328,493
2,805,413 shares
|
— | 08 Dec 2021 |
| James E. Flynn |
3/4/5
Possible Member of 10% Group, 10%+ Owner
|
—
class O/S missing
|
$1,898,994
2,287,944 shares
|
— | 26 Oct 2021 |
| TAKEDA PHARMACEUTICAL CO LTD |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$1,224,350
1,475,121 shares
|
— | 26 Oct 2021 |
| RiverVest Venture Fund IV, L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$1,196,399
1,441,444 shares
|
— | 26 Oct 2021 |
| Rock Springs Capital Management LP |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$1,042,872
1,256,472 shares
|
— | 26 Oct 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
41
Shares
18,324,586
Rows available
41
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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 did not pass the local price check.
Compare Q4 2021 vs Q4 2025 Across Filers
Q4 2025 holders
37
Q4 2021 holders
41
Holder diff
4
| Investor | Q4 2025 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q4 2025 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend