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Security record

BLSM

Charts & data for BLSM on Finviz ↗ Sponsored

name pending profile ingest

2Tracked holders
+2Δ holders
120.45KShares held
$2.25MReported value
+2New positions
−0Exits
n/a How these are computed → Explain this at the Research Desk →

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026

Who holds it · Q3 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Geode Capital Management ✦ (passive) 119.18K New $2.22M 0.0% New 1 SEC ↗ ×2
2 Citigroup Inc 1.28K New $23,841 0.0% New 1 SEC ↗

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

New buyers

Geode Capital Management $2.22M 0.0%
Citigroup Inc $23,841 0.0%

Exited

No tracked exits this quarter.
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 GORDON CARL L

Director · 625.00K sh @ 16.00 · $10.00M

Aug 10 ORBIMED ADVISORS LLC

Director · 625.00K sh @ 16.00 · $10.00M

Aug 10 Keyes Jason A

Officer · Chief Financial… · 700 sh @ 16.00 · $11,200

Aug 10 Liptak Vincent Paul

Officer · General Counsel · 2.20K sh @ 16.00 · $35,200

Aug 10 Chen Bihua

Director, 10% owner · 312.50K sh @ 16.00 · $5.00M

Aug 10 Schmid John P.

Director · 6.00K sh @ 16.00 · $96,000

Aug 07 Liptak Vincent Paul

Officer · General Counsel · 2.50K sh @ 15.80 · $39,500

Open-market sales (S)

No open-market insider sales in our coverage window.

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

Beneficial ownership
Aug 18 SC 13D: ORBIMED ADVISORS LLC

8.9% of class · View original SEC filing ↗

Aug 17 SC 13G: Vivo Innovation Fund II Holdings, L.P.

View original SEC filing ↗

Aug 14 SC 13G: PERCEPTIVE ADVISORS LLC

View original SEC filing ↗

Aug 13 SC 13D: Cormorant Asset Management, LP

3.1% of class · 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: Q3 2026 · Methodology · Get this via the API