WALTHAM, MA
KAILERA THERAPEUTICS, INC.KLRA— Latest position per institution from SEC 13F filings
15
Institutional holders
106.20M
Total shares held
2.26B
Estimated value
5.31M
Avg. position size
BAIN CAPITAL INVESTORS LLC
CIK 1040508
Shares
26.26M
Value
578.41M
Filed
Jun 30, 2026
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
22.58M
Value
497.51M
Filed
Jun 30, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
10.78M
Value
237.41M
Filed
Jun 30, 2026
CANADA PENSION PLAN INVESTMENT BOARD
CIK 1283718
Shares
7.30M
Value
160.92M
Filed
Jun 30, 2026
ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC
CIK 1917529
Shares
5.17M
Value
113.92M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
3.97M
Value
87.48M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
3.93M
Value
86.55M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
3.53M
Value
77.86K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
3.24M
Value
71.39M
Filed
Jun 30, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
3.21M
Value
70.68M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
2.92M
Value
64.31M
Filed
Jun 30, 2026
ROYALTY PHARMA SUB-MANAGER, LLC
CIK 2081668
Shares
2.46M
Value
54.09M
Filed
Jun 30, 2026
SIREN, L.L.C.
CIK 2005245
Shares
2.21M
Value
48.78M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.69M
Value
37.32M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.65M
Value
36.40M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.13M
Value
24.97M
Filed
Jun 30, 2026
FARALLON CAPITAL MANAGEMENT, L.L.C.
CIK 909661
Shares
1.10M
Value
24.23M
Filed
Jun 30, 2026
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
CIK 1892134
Shares
1.10M
Value
24.23M
Filed
Jun 30, 2026
TRAILS EDGE CAPITAL PARTNERS, LP
CIK 2077247
Shares
984.79K
Value
21.69M
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
972.68K
Value
21.43M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BAIN CAPITAL INVESTORS LLC | 1040508 | 26.26M | 578.41M | Jun 30, 2026 |
| 2 | BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 1703031 | 22.58M | 497.51M | Jun 30, 2026 |
| 3 | RTW INVESTMENTS, LP | 1493215 | 10.78M | 237.41M | Jun 30, 2026 |
| 4 | CANADA PENSION PLAN INVESTMENT BOARD | 1283718 | 7.30M | 160.92M | Jun 30, 2026 |
| 5 | ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 1917529 | 5.17M | 113.92M | Jun 30, 2026 |
| 6 | FMR LLC | 315066 | 3.97M | 87.48M | Jun 30, 2026 |
| 7 | BLACKROCK, INC. | 2012383 | 3.93M | 86.55M | Jun 30, 2026 |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 3.53M | 77.86K | Jun 30, 2026 |
| 9 | CITADEL ADVISORS LLC | 1423053 | 3.24M | 71.39M | Jun 30, 2026 |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 3.21M | 70.68M | Jun 30, 2026 |
| 11 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 2.92M | 64.31M | Jun 30, 2026 |
| 12 | ROYALTY PHARMA SUB-MANAGER, LLC | 2081668 | 2.46M | 54.09M | Jun 30, 2026 |
| 13 | SIREN, L.L.C. | 2005245 | 2.21M | 48.78M | Jun 30, 2026 |
| 14 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.69M | 37.32M | Jun 30, 2026 |
| 15 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.65M | 36.40M | Jun 30, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.13M | 24.97M | Jun 30, 2026 |
| 17 | FARALLON CAPITAL MANAGEMENT, L.L.C. | 909661 | 1.10M | 24.23M | Jun 30, 2026 |
| 18 | FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 1892134 | 1.10M | 24.23M | Jun 30, 2026 |
| 19 | TRAILS EDGE CAPITAL PARTNERS, LP | 2077247 | 984.79K | 21.69M | Jun 30, 2026 |
| 20 | UBS GROUP AG | 1610520 | 972.68K | 21.43M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.