Heyholder

Ownership Changes

Changes found in filings and published ETF holdings.

Y-Biologics, Inc

338840 · KOSDAQ

Heyholder holders
10
Pooled stake
0.02%

Change history

Past year · 10

Newest first
Ownership changes list
ReporterChangeAfter reportSource
0168K0Active ETF2026.10.22
Sold · shares −26.7%Weight in ETF 0.3% → 0.2%
0.2%Weight in ETF
박영우Major holder2026.10.01
Increased +0.90%pHolding increased
30.60%Stake after report
박영우Major holder2026.08.05
Increased +0.03%pHolding increased
29.70%Stake after report
박영우Major holder2026.07.23
Increased +0.02%pHolding increased
29.67%Stake after report
박영우Major holder2026.07.09
Decreased −0.75%pHolding decreased
29.65%Stake after report
박영우Major holder2026.07.01
Increased +0.12%pHolding increased
30.40%Stake after report
박영우Major holder2026.04.16
Decreased −0.38%pHolding decreased
30.28%Stake after report
박영우Major holder2026.03.19
Decreased −0.13%pHolding decreased
30.66%Stake after report
박영우Major holder2025.12.30
Decreased −0.13%pHolding decreased
30.79%Stake after report
박영우Major holder2025.12.18
Increased +0.10%pHolding increased
30.92%Stake after report

Figures are as of each report.
Company stakes and weights inside ETFs are measured differently.

Source · DART major-holding and executive reports / published ETF holdings

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