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Security record · archived quarter

INBX

Inhibrx Biosciences Inc. · Healthcare · Biotechnology

93.84 -3.4% mkt cap $1.38B quote delayed (FMP) · as of Oct 23 18:08 UTC · separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
7Tracked holders
0Δ holders
3.86MShares held
$55.09MReported value
+0New positions
−0Exits
Stable How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +0.5% · net new positions 0.0% · formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 69 +7 7.66M $725.26M +12 −5
Q1 2026 65 -3 7.61M $511.38M +3 −7
Q4 2025 69 0 8.07M $637.42M +2 −1
Q3 2025 17 +7 4.45M $150.05M +7 n/a
Q2 2025 7 0 3.86M $55.09M n/a n/a
Q1 2025 4 -1 2.48M $34.64M n/a −1
Q4 2024 5 -2 2.53M $38.98M n/a −2
Q3 2024 6 +1 2.46M $38.48M +2 −1
Q2 2024 5 n/a 2.53M $35.86M n/a n/a
Holder count
Who holds it · Q2 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 Viking Global Investors ✦ 1.79M 0.0% $25.51M 0.1% Held 5 SEC ↗
2 BlackRock ✦ (passive) 728.74K n/a $10.40M 0.0% n/c 1 SEC ↗ ×8
3 The Vanguard Group ✦ (passive) 598.45K n/a $8.54M 0.0% n/c 1 SEC ↗ ×3
4 Millennium Management ✦ 275.78K +8.0% $3.94M 0.0% ▲ Add 5 SEC ↗
5 Geode Capital Management ✦ (passive) 225.96K -13.1% $3.23M 0.0% ▼ Trim 5 SEC ↗ ×2
6 State Street Global Advisors ✦ (passive) 204.96K +18.5% $2.92M 0.0% ▲ Add 3 SEC ↗
7 Fidelity (FMR) ✦ 39.07K n/a $557,538 0.0% n/c 1 SEC ↗ ×2

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

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 134 holders, 12.71M shares, $853.40M 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)

Oct 14 Lappe Mark

Officer, Director · Chief Executive… · 2.47K sh @ 84.07 · $207,655

Oct 14 Lappe Mark

Officer, Director · Chief Executive… · 100 sh @ 85.76 · $8,576

Oct 14 Lappe Mark

Officer, Director · Chief Executive… · 2.45K sh @ 85.00 · $208,333

Oct 14 Lappe Mark

Officer, Director · Chief Executive… · 2.45K sh @ 84.07 · $205,889

Oct 14 Lappe Mark

Officer, Director · Chief Executive… · 100 sh @ 85.76 · $8,576

Oct 14 Lappe Mark

Officer, Director · Chief Executive… · 2.47K sh @ 85.00 · $209,948

Sep 28 Lappe Mark

Officer, Director · Chief Executive… · 3.00K sh @ 101.70 · $305,106

Sep 28 Lappe Mark

Officer, Director · Chief Executive… · 1.50K sh @ 98.88 · $148,320

Sep 25 Lappe Mark

Officer, Director · Chief Executive… · 2.18K sh @ 99.60 · $216,727

Sep 25 Lappe Mark

Officer, Director · Chief Executive… · 3.32K sh @ 98.87 · $328,630

Open-market sales (S)

Sep 15 MANHARD KIMBERLY

Director · 500 sh · $52,525

Sep 14 MANHARD KIMBERLY

Director · 500 sh · $55,130

Sep 11 MANHARD KIMBERLY

Director · 500 sh · $55,888

Sep 09 MANHARD KIMBERLY

Director · 500 sh · $57,898

Sep 08 MANHARD KIMBERLY

Director · 500 sh · $57,570

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

Beneficial ownership
Aug 14 SC 13G/A: PERCEPTIVE ADVISORS LLC

View original SEC filing ↗

Aug 14 SC 13G/A: VIKING GLOBAL INVESTORS LP

View original SEC filing ↗

Aug 14 SC 13G: Schonfeld Strategic Advisors LLC

View original SEC filing ↗

Aug 03 SC 13G: BANK OF AMERICA CORP /DE/

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: Q2 2025 · Methodology · Get this via the API