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Security record · archived quarter

KRRO

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
7Tracked holders
+1Δ holders
1.25MShares held
$47.73MReported value
+1New positions
−0Exits
Rising How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +16.7% · share flow -5.1% · net new positions +14.3% — formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 50 +9 5.04M $66.36M +12 −3
Q1 2026 42 -3 3.64M $41.17M +5 −8
Q4 2025 45 0 2.59M $20.77M +1 −1
Q3 2025 14 0 3.37M $161.62M +1 −1
Q2 2025 11 +3 3.02M $37.70M +3 —
Q1 2025 5 -2 1.15M $19.95M — −2
Q4 2024 7 +1 1.25M $47.73M +1 —
Q3 2024 5 -1 1.20M $40.00M +1 −2
Q2 2024 6 — 1.22M $41.48M — —
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Point72 Asset Management ✦ 494.00K +11.1% $18.81M 0.1% ▲ Add 3 SEC ↗
2 Citadel Advisors ✦ 369.73K -30.1% $14.08M 0.0% ▼ Trim 3 SEC ↗
3 Geode Capital Management ✦ (passive) 137.09K -0.3% $5.22M 0.0% ▼ Trim 3 SEC ↗ ×2
4 State Street Global Advisors ✦ (passive) 124.08K — $4.72M 0.0% n/c 1 SEC ↗
5 Millennium Management ✦ 95.81K +32.6% $3.65M 0.0% ▲ Add 3 SEC ↗
6 Marshall Wace ✦ 18.46K New $702,810 0.0% New 1 SEC ↗ ×2
7 Wellington Management ✦ 14.55K +11.5% $554,033 0.0% ▲ Add 2 SEC ↗ ×2

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Marshall Wace $702,810 0.0%

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 96 holders, 12.62M shares, $142.11M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Aug 10 Lynx1 Capital Management LP

10% owner · 1.46K sh @ 13.19 · $19,279

Aug 06 Lynx1 Capital Management LP

10% owner · 5.22K sh @ 11.40 · $59,530

Open-market sales (S)

Sep 14 FORMELA JEAN FRANCOIS

Director · 31.89K sh · $450,259

Sep 14 FORMELA JEAN FRANCOIS

Director · 6.60K sh · $93,220

Sep 11 FORMELA JEAN FRANCOIS

Director · 1.75K sh · $24,482

Sep 11 FORMELA JEAN FRANCOIS

Director · 8.45K sh · $118,216

Sep 11 Dolan Oliver

Officer · 5 sh · $69

Sep 09 Dolan Oliver

Officer · 6 sh · $82

Sep 08 Dolan Oliver

Officer · 7.35K sh · $99,286

Aug 26 FORMELA JEAN FRANCOIS

Director · 51 sh · $712

Aug 26 FORMELA JEAN FRANCOIS

Director · 249 sh · $3,476

Aug 19 FORMELA JEAN FRANCOIS

Director · 23.58K sh · $330,176

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G/A — BALYASNY ASSET MANAGEMENT L.P.

View original SEC filing ↗

Aug 04 SC 13D/A — Atlas Venture Fund XI, L.P.

4.9% of class · View original SEC filing ↗

Jul 29 SC 13G — BlackRock, Inc.

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API