Security key
687604108
Oruka Therapeutics, Inc. - Common Stock, $0.001 par value per share (ORKA)
CUSIP: 687604108
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 52,853,967
- Total 13F value
- $1,602,044,506
- Share change
- +5,589,327
- Put/Call ratio
- 85%
- SEC-reported price per share
- $30.31
- Number of holders
- 144
- Value change
- +$170,793,609
- Number of buys
- 93
- Number of sells
- 24
- Shares outstanding
- 74,732,908
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
144
Top holders
10
ORKA full security history
Ownership snapshot
Full 13F holder table
Oruka Therapeutics, Inc. SEC filings
Oruka Therapeutics, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of ORKA - Oruka Therapeutics, Inc. - Common Stock, $0.001 par value 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
Venrock Healthcare Capita...
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
3/4/5
13F
Lead comparable stake: 9.9%
13D/G row: Venrock Healthcare Capital Partners III, L.P.
Showing 1-6 of 15 holder rows.
Quick read
Venrock Healthcare Capital Partners III, L.P. leads the comparable SEC ownership view at 9.9%.
15 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 Venrock Healthcare Capital Partners III, L.P.'s linked filing trail.
Comparable ownership
Top 5
Venrock Healthcare Capital Partne...
9.9%
BlackRock, Inc.
6.6%
Deep Track Capital, LP
4.5%
RTW INVESTMENTS, LP
4.3%
FMR LLC
9.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Venrock Healthcare Capital Partners III, L.P. |
13D/G
3/4/5
10%+ Owner
|
9.9%
|
$94,411,973
4,909,619 shares
|
+$14,637,703 | 30 Sep 2025 |
| BlackRock, Inc. |
13D/G
13F
Company
|
6.6%
|
$96,248,890
3,175,483 shares
|
+$29,642,149 | 31 Dec 2025 |
| Deep Track Capital, LP |
13D/G
13F
Company
|
4.5%
|
$65,515,368
2,161,510 shares
|
+$8,023,966 | 31 Dec 2025 |
| RTW INVESTMENTS, LP |
13D/G
13F
Company
|
4.3%
|
$62,382,466
2,058,148 shares
|
+$3,409,845 | 31 Dec 2025 |
| FMR LLC |
13F
Company
|
9.7%
|
$139,564,052
7,257,621 shares
|
— | 30 Sep 2025 |
| Venrock Adviser, LLC |
13F
Company
|
5.6%
|
$79,774,270
4,148,428 shares
|
— | 30 Sep 2025 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
144
Shares
52,853,967
Rows available
144
| 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 2025 vs Q3 2025 Across Filers
Q3 2025 holders
104
Q4 2025 holders
144
Holder diff
40
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|