OAK STR HEALTH INC OSH 0 03.15.26

NOTE 3/1 · US DOMESTIC · CUSIP 67181AAB3

3 institutional holders -50 vs Q1 2023

118,178,000118.2m shares reported held*

$130.4mreported value*

0 new 2 added 1 reduced 49 sold out net sold ≈ $691.8m (+35.3m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $1.10.

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

Numbers

Quarter	Holders
Q3 2022	44
Q4 2022	44
Q1 2023	53
Q2 2023	3

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out

Numbers

Quarter	Bought or added	Cut or sold out
Q4 2022	18	12
Q1 2023	35	26
Q2 2023	2	50

Biggest buyers

BERKLEY W R CORP	Added	+48,368,000+48.4m
Westchester Capital Management, LLC	Added	+18,000,000+18.0m

Biggest sellers

VOYA INVESTMENT MANAGEMENT LLC	Sold out	-102,300,000-102.3m
Weiss Asset Management LP	Sold out	-90,589,000-90.6m
ADVENT CAPITAL MANAGEMENT /DE/	Sold out	-61,383,000-61.4m
PFM Health Sciences, LP	Sold out	-58,500,000-58.5m
LAZARD ASSET MANAGEMENT LLC	Sold out	-40,604,000-40.6m
Alpha Wave Global, LP	Sold out	-31,600,000-31.6m
D. E. Shaw & Co., Inc.	Sold out	-31,000,000-31.0m
SONA ASSET MANAGEMENT (US) LLC	Sold out	-28,800,000-28.8m
DeepCurrents Investment Group LLC	Sold out	-26,750,000-26.8m
Calamos Advisors LLC	Sold out	-25,645,000-25.6m

Holders, Q2 2023

#	Manager	Location	Shares	Value	% of their portfolio	Change	Shares change
1	Westchester Capital Management, LLC 2.24% of their portfolio	VALHALLA, NY	64,848,00064.8m $64.7m	$64.7m	2.24%	Added +18.0m	+18,000,000
2	BERKLEY W R CORP 3.20% of their portfolio	Greenwich, CT	53,330,00053.3m $53.2m	$53.2m	3.20%	Added +48.4m	+48,368,000
3	CAMDEN ASSET MANAGEMENT L P /CA 0.43% of their portfolio	Los Angeles, CA	12,550,00012.6m $12.5m	$12.5m	0.43%	Reduced -10.0m	-10,000,000