HSIAO JANE PH D → OPKO HEALTH, INC. OPK

Stake: 4.50% Shares: 35,677,284 CUSIP: 68375N103 Class: Common Stock, par value $0.01 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 25/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Passive Schedule 13G filer baseline
7 NPORT-P mutual funds holding CUSIP
Elevated short days-to-cover (5.3 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 5.26

34,009,478 shares short · -4.4% vs prior

Post-Filing Returns · since 2025-04-02 on OPK

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 1.49 on closest trading day on/after 2025-04-02. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on OPKO HEALTH, INC.

Filed	Form	Filer	Stake	Shares
2026-07-01	SCHEDULE 13D/A	FROST PHILLIP MD ET AL	34.10%	255,429,406	view →
2025-10-01	SCHEDULE	FROST PHILLIP MD ET AL	32.80%	252,884,406	view →
2024-01-22	SC	FROST PHILLIP MD ET AL	—	—	view →
2023-02-21	SC	FROST PHILLIP MD ET AL	—	—	view →
2020-03-20	SC	HSIAO JANE PH D	—	—	view →
2019-03-22	SC	FROST PHILLIP MD ET AL	—	—	view →
2019-03-20	SC	FROST PHILLIP MD ET AL	—	—	view →

Other Filings by HSIAO JANE PH D

Filed	Form	Issuer	Stake	Shares
2020-03-20	SC	Opko Health, Inc. OPK	—	—	view →
2019-01-11	SC	NON INVASIVE MONITORING SYSTEMS INC /FL/ NIMU	—	—	view →

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