Rain Enhancement Technologies Holdco

RAIN · NASDAQ

$0.6174−$0.0152 (−2.40%)TodayMarket closed · Oct 20, 6:56 PM ET

Prev close $0.6326

Who owns RAIN

Largest institutional holders, from their latest 13F filings

Top institutional holders of RAIN
Holder	Shares	% of shares	Change, last filing	Filed
Tang Capital Management, LLC	4.02M	38.92%	+284.14K	Oct 13, 2023
BVF Partners L.P.	3.53M	34.11%	+0	Aug 10, 2023
Vellanki (Avanish)	2.55M	24.67%	−59.62K	Mar 1, 2023
Samsara BioCapital, LLC	2.03M	19.68%	−226.10K	Jun 30, 2023
Boxer Capital, L.L.C.	1.15M	11.14%	+0	Jun 30, 2023
Berger (Franklin Milan)	1.01M	9.72%	+0	Mar 1, 2023
BlackRock Institutional Trust Company, N.A.	928.50K	8.98%	+855.29K	Jun 30, 2023
The Vanguard Group, Inc.	905.17K	8.75%	+24.08K	Jun 30, 2023
Polen Capital Management, LLC	719.51K	6.96%	+0	Aug 31, 2023
Acadian Asset Management LLC	659.35K	6.38%	+656.57K	Jun 30, 2023

Largest mutual fund holders

Top mutual fund holders of RAIN
Holder	Shares	% of shares	Change, last filing	Filed
iShares Russell 2000 ETF	544.01K	5.26%	+57.91K	Dec 31, 2023
Vanguard Total Stock Market Index Fund	518.61K	5.02%	+0	Dec 31, 2023
Vanguard Extended Market Index Fund	250.60K	2.42%	+0	Dec 31, 2023
Range Cancer Immunotherapy ETF	170.55K	1.65%	+2.04K	Dec 31, 2023
iShares Russell 2000 Value ETF	154.78K	1.50%	+4.70K	Dec 31, 2023

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $309.40K (5 trades) of RAIN on the open market, with no sales.

Latest RAIN insider transactions
Insider	Date	Type	Shares	Price	Value
Seidl Randy	Aug 19, 2026	Buy	110.00K	$0.9475	$104.22K
Seidl Randy	Aug 19, 2026	Buy	110.00K	$0.9475	$104.22K
Riley Christopher Michael	Jun 5, 2026	Award	50.00K	—	—
Steele Alexandra	Jun 5, 2026	Award	80.00K	—	—
Reardon Robert	Jun 5, 2026	Award	80.00K	—	—
Truong Oanh	Jun 5, 2026	Award	50.00K	—	—
You Harry L.	Jun 5, 2026	Award	1.61M	—	—
Sylvester David C	Jun 5, 2026	Award	40.00K	—	—
DICKERSON LYMAN B	Jun 5, 2026	Award	80.00K	—	—
PEPERZAK MARCUS	Jun 5, 2026	Award	80.00K	—	—

Short interest

Settled Sep 30, 2026

Shares short: 169.89K
Days to cover: 1.00
% of shares outstanding: 1.64%
Average daily volume: 6.28M
Change since last report: +41.1%

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