Kailera Therapeutics Ownership | Who Owns Kailera Therapeutics?

Kailera Therapeutics Ownership Summary

Kailera Therapeutics is owned by 98.67% institutional investors, 8.88% insiders. Bain capital investors is the largest institutional shareholder, holding 22.26% of KLRA shares. Vanguard Health Care Inv is the top mutual fund, with 1.69% of its assets in Kailera Therapeutics shares.

KLRA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Kailera Therapeutics	98.67%	8.88%	-7.55%
Sector	Healthcare Stocks	245.07%	12.10%	-157.17%
Industry	Biotech Stocks	380.48%	11.73%	-292.21%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Bain capital investors	26.26M	22.26%	$578.41M
Bain capital life sciences investors	22.58M	19.15%	$497.51M
Rtw investments, lp	10.78M	9.14%	$237.41M
Canada pension plan investment board	7.30M	6.19%	$160.92M
Atlas venture life science advisors	5.17M	4.38%	$113.92M
Fmr	3.97M	3.37%	$87.48M
Blackrock funding, inc. /de	3.93M	3.33%	$86.55M
Price t rowe associates inc /md/	3.53M	3.00%	$77.86M
Citadel advisors	3.24M	2.75%	$71.39M
Adage capital partners gp	3.21M	2.72%	$70.68M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bain capital life sciences investors	22.58M	29.58%	$497.51M
Atlas venture life science advisors	5.17M	12.93%	$113.92M
Bain capital investors	26.26M	12.01%	$578.41M
Rtw investments, lp	10.78M	2.03%	$237.41M
Catalio capital management, lp	468.75K	1.94%	$10.33M
Siren	2.21M	0.99%	$48.78M
Cormorant asset management, lp	550.00K	0.62%	$12.12M
Frazier life sciences management	1.10M	0.53%	$24.23M
Vestal point capital, lp	575.00K	0.30%	$12.67M
Avidity partners management lp	80.00K	0.28%	$1.76M

Top Buyers

Holder	Shares	% Assets	Change
Bain capital investors	26.26M	12.01%	26.26M
Bain capital life sciences investors	22.58M	29.58%	22.58M
Rtw investments, lp	10.78M	2.03%	10.78M
Canada pension plan investment board	7.30M	0.09%	7.30M
Atlas venture life science advisors	5.17M	12.93%	5.17M

Top Sellers

Holder	Shares	% Assets	Change
Sbi securities	1.00	-	1.00
Jones financial companies lllp	15.00	-	15.00
Caitong asset management	20.00	0.00%	20.00
Fortitude family office	32.00	0.00%	32.00
Mercer global advisors inc /adv	265.00	-	265.00

New Positions

Holder	Shares	% Assets	Change	Value
Bain capital investors	26.26M	12.01%	26.26M	$578.41M
Bain capital life sciences investors	22.58M	29.58%	22.58M	$497.51M
Rtw investments, lp	10.78M	2.03%	10.78M	$237.41M
Canada pension plan investment board	7.30M	0.09%	7.30M	$160.92M
Atlas venture life science advisors	5.17M	12.93%	5.17M	$113.92M

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	100	-	116,376,860	-	98	-	100	-	-	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Health Care Inv	2.19M	1.69%	2.19M
T. Rowe Price Health Sciences	1.53M	1.18%	177.20K
Vanguard Morn Total Stk Mkt Idx Investor	1.18M	0.91%	-
Vanguard MStar Total Stk Mkt Idx Invest	1.18M	0.91%	-
iShares Russell 2000 ETF	1.15M	0.89%	-20.45K
Fidelity Growth Compy Commingled Pl S	1.06M	0.82%	60.40K
Vanguard Small Cap Index	852.28K	0.66%	3.73K
Fidelity Growth Company Fund	806.50K	0.62%	53.60K
Columbia Small Cap Growth	652.31K	0.50%	652.31K
Columbia Small Cap Growth Inst	652.31K	0.50%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 20, 2026	RTW INVESTMENTS, LP	-	Buy	$8.00M
Apr 20, 2026	BAIN CAPITAL INVESTORS LLC	-	Buy	$134.38M
Apr 20, 2026	Koppel Adam		Buy	$25.00M
Apr 20, 2026	Bain Capital Life Sciences Investors, LLC	-	Buy	$25.00M
Apr 20, 2026	Kaplan Andrew T.		Buy	$134.38M

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	-
2026 Q2	5	-

KLRA Ownership FAQ

Who Owns Kailera Therapeutics?

Kailera Therapeutics shareholders are primarily institutional investors at 98.67%, followed by 8.88% insiders and -7.55% retail investors. The average institutional ownership in Kailera Therapeutics's industry, Biotech Stocks , is 380.48%, which Kailera Therapeutics falls below.

Who owns the most shares of Kailera Therapeutics?

Kailera Therapeutics’s largest shareholders are Bain capital investors (26.26M shares, 22.26%), Bain capital life sciences investors (22.58M shares, 19.15%), and Rtw investments, lp (10.78M shares, 9.14%). Together, they hold 50.54% of Kailera Therapeutics’s total shares outstanding.

Does Blackrock own Kailera Therapeutics?

BlackRock is not among the top 10 institutional shareholders of Kailera Therapeutics.

Who is Kailera Therapeutics’s biggest shareholder by percentage of total assets invested?

Bain capital life sciences investors is Kailera Therapeutics’s biggest shareholder by percentage of total assets invested, with 29.58% of its assets in 22.58M Kailera Therapeutics shares, valued at 497.51M$.

Who is the top mutual fund holder of Kailera Therapeutics shares?

Vanguard Health Care Inv is the top mutual fund holder of Kailera Therapeutics shares, with 1.69% of its total shares outstanding invested in 2.19M Kailera Therapeutics shares.

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