ORKA

Oruka Therapeutics Inc$83.04 4.17%
Health CareUSCUSIP 687604108· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
153
+33 QoQ
13F Value (tracked)
$2.5B
Insider Net · 180d
-$314.8M
0↑ 7↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)35 adding · 10 trimming
Insider net (180d)-$314.8M

Price & smart-money activity

$83.04 4.17%5Y +330.3%
$0.56$25.25$49.93$74.61$99.302021202220232024202520262219852310181533149401558572534
Hover for who · click for detailEnd-of-day closing prices52w $13.05 – $95.17
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Ask your agent what changed in ORKA

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/ORKA/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for ORKA.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

153 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1FMR LLC
$364.5M
7.4M
+2.3%
Added · +170K sh
Q1 2026
2Venrock Adviser, LLC
$203.5M
4.1M
Held
Q1 2026
3Fairmount Funds Management LLC
$181.7M
3.7M
Held
Q1 2026
4BlackRock, Inc.
$173.0M
3.5M
−0.3%
Reduced · −12K sh
Q1 2026
5VIKING GLOBAL INVESTORS LP
$130.8M
2.7M
Held
Q1 2026
6Paradigm Biocapital Advisors LP
$113.8M
2.3M
+36%
Added · +610K sh
Q1 2026
7RTW INVESTMENTS, LP
$101.0M
2.1M
Held
Q1 2026
8Deep Track Capital, LP
$99.8M
2.0M
−5.9%
Reduced · −127K sh
Q1 2026
9VANGUARD CAPITAL MANAGEMENT LLC
$91.2M
1.9M
New
+1.9M sh
Q1 2026
10STATE STREET CORP
$79.1M
1.6M
+17%
Added · +230K sh
Q1 2026
11Remedium Capital Partners, LLC
$76.8M
1.6M
+0.8%
Added · +13K sh
Q1 2026
12PERCEPTIVE ADVISORS LLC
$68.4M
1.4M
−5.5%
Reduced · −81K sh
Q1 2026
13Polar Capital Holdings Plc
$51.4M
1.0M
+7.1%
Added · +69K sh
Q1 2026
14CITADEL ADVISORS LLC
$49.4M
1.0M
+39%
Added · +281K sh
Q1 2026
15FRANKLIN RESOURCES INC
$49.2M
1.0M
+7.0%
Added · +66K sh
Q1 2026
16GEODE CAPITAL MANAGEMENT, LLC
$46.8M
955K
+1.3%
Added · +12K sh
Q1 2026
17MERCER GLOBAL ADVISORS INC /ADV
$39.4M
802K
+7.7%
Added · +57K sh
Q1 2026
18Avidity Partners Management LP
$37.3M
760K
+15%
Added · +100K sh
Q1 2026
19PRICE T ROWE ASSOCIATES INC /MD/
$35.7M
727K
+12%
Added · +78K sh
Q1 2026
20Woodline Partners LP
$28.2M
575K
+0.1%
Added · +329 sh
Q1 2026
21Cormorant Asset Management, LP
$26.2M
533K
Held
Q1 2026
22Bellevue Group AG
$24.9M
507K
New
+507K sh
Q1 2026
23Affinity Asset Advisors, LLC
$24.5M
500K
−38%
Reduced · −303K sh
Q1 2026
24Candriam S.C.A.
$20.2M
411K
+2.6%
Added · +10K sh
Q1 2026
25VANGUARD PORTFOLIO MANAGEMENT LLC
$17.2M
351K
New
+351K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
15
funds
Added
20
funds
Reduced
10
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$314.8M
7 insiders
Net
-$314.8M
58 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 15, 2026Goncalves JoanaChief Medical OfficerOption exercise (M)4K$0
Jul 15, 2026Goncalves JoanaChief Medical OfficerOption exercise (M)4K$0
Jul 15, 2026Goncalves JoanaChief Medical OfficerSell (S)300$26K
Jul 15, 2026Goncalves JoanaChief Medical OfficerSell (S)4K$330K
Jul 15, 2026Goncalves JoanaChief Medical OfficerSell (S)2K$214K
Jul 15, 2026Goncalves JoanaChief Medical OfficerSell (S)400$34K
Jul 15, 2026Goncalves JoanaChief Medical OfficerOption exercise (M)4K$27K
Jul 15, 2026Goncalves JoanaChief Medical OfficerOption exercise (M)4K$24K
Jul 13, 2026Agarwal ArjunSenior Vice President, FinanceOption exercise (M)1K$0
Jul 13, 2026Agarwal ArjunSenior Vice President, FinanceOption exercise (M)9K$0
Jul 13, 2026Agarwal ArjunSenior Vice President, FinanceSell (S)300$26K
Jul 13, 2026Agarwal ArjunSenior Vice President, FinanceSell (S)6K$480K

Institutional ownership over time

153 funds+121 since Q3 2024
077153Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $2.4B

Funds that own ORKA also own

CompanyCo-held byCombined value
INTUITIVE SURGICAL INCISRG47 funds$3.2B
BOSTON SCIENTIFIC CORPBSX47 funds$1.7B
THERMO FISHER SCIENTIFIC INCTMO46 funds$3.2B
MICROSOFT CORPMSFT45 funds$23.3B
AMAZON.COM INCAMZN45 funds$21.1B
ALPHABET INC-CL AGOOGL45 funds$16.0B
META PLATFORMS INC-CLASS AMETA45 funds$12.2B
ELI LILLY & COLLY45 funds$6.5B
ADVANCED MICRO DEVICESAMD44 funds$4.3B
UNITEDHEALTH GROUP INCUNH44 funds$2.7B
CVS HEALTH CORPCVS44 funds$1.3B
NVIDIA CORPNVDA43 funds$40.0B

Ranked by how many of ORKA's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ORKA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.