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Yarrow Bioscience, Inc. (YARW)

Nasdaq: YARW · Bridgewater, NJ · filing with the SEC since 2013
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Grade3.9
◀ Past 0.7● Present 3.9▶ Future 6.9
2 est.
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Who owns Yarrow Bioscience, Inc.

As filed with the SEC
Holders of 5% or more
11
Logos Global Management LP holds 10.7% of Common Stock, par value $0.0001, as its SCHEDULE 13G/A filed Aug 7, 2026 says.
Directors and officers
21
report now, of 38 people on the record since 2018. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 11 named at left.
Holders of 5% or moreshare of the class, as filed
Logos Global Management LP
SCHEDULE 13G/A · filed Aug 7, 2026 · Common Stock, par value $0.0001 · 9.9% in Aug 4, 2026
10.7%
Bellevue Group AG
SCHEDULE 13G · filed Oct 7, 2026 · Common Stock, $0.0001 par value
10.6%
venBio Global Strategic Fund V, L.P.
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, $0.0001 par value
9.99%
JANUS HENDERSON GROUP Ltd.
SCHEDULE 13G · filed Aug 7, 2026 · Common Stock
9.99%
Perceptive Advisors LLC
SCHEDULE 13G · filed Aug 3, 2026 · Common Stock, $0.0001 par value
9.99%
RTW Fund Group GP, LLC
SCHEDULE 13G · filed Jul 30, 2026 · Common stock, par value $0.0001
9.99%
Orbimed Advisors LLC
SCHEDULE 13D · filed Aug 5, 2026 · COMMON STOCK
9.97%
ADAR1 Capital Management, LLC
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, par value $0.0001 per share
8.8%
Raymond Debbane
SCHEDULE 13G · filed Sep 17, 2026 · Common Stock, $0.0001 par value
7.2%
AI Biotechnology LLC
SCHEDULE 13D/A · filed Jul 29, 2026 · Common Stock, par value $0.0001 per share
6.02%
Nantahala Capital Management, LLC
SCHEDULE 13G · filed May 15, 2026 · Common Stock, par value $0.0001
6%
Zhang Xiaofan
SCHEDULE 13G/A · filed Aug 13, 2026 · common stock, par value $0.0001 · reported falling below 5%, from n/a in Jul 17, 2026
under 5%
Eventide Asset Management, LLC
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock, par value $0.0001 · reported falling below 5%, from 9.99% in Aug 14, 2025
under 5%
Cormorant Asset Management, LP
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 8.23% in Aug 14, 2025
under 5%
Citadel Advisors LLC
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock, par value $0.0001 (the "Shares") · reported falling below 5%, from 7.2% in May 15, 2025
under 5%
What YARW reports owning in othersstakes of 5% or more, and other ties

2 subsidiaries in 1 country, from the list filed with the 10-K filed Feb 27, 2026.

Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 30, 2025 to Oct 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
1820212325
2025 runs to Oct 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.
SI Assistanton YARW · research, not advice