CHICAGO, IL
MADISON AIR SOLUTIONS CORPMAIR— Latest position per institution from SEC 13F filings
15
Institutional holders
97.57M
Total shares held
3.45B
Estimated value
4.88M
Avg. position size
FMR LLC
CIK 315066
Shares
14.08M
Value
549.31M
Filed
Jun 30, 2026
DURABLE CAPITAL PARTNERS LP
CIK 1798849
Shares
10.20M
Value
397.66M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
7.80M
Value
304.39M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
7.50M
Value
292.55M
Filed
Jun 30, 2026
HRTG GPE, LLC
CIK 1537455
Shares
7.41M
Value
288.89M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
6.45M
Value
251.48M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
5.79M
Value
225.93M
Filed
Jun 30, 2026
PICTET ASSET MANAGEMENT HOLDING SA
CIK 1993888
Shares
4.43M
Value
172.95M
Filed
Jun 30, 2026
ZIMMER PARTNERS, LP
CIK 1565854
Shares
4.15M
Value
161.88M
Filed
Jun 30, 2026
FOREST AVENUE CAPITAL MANAGEMENT LP
CIK 1944889
Shares
4.06M
Value
158.41M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.71M
Value
144.79M
Filed
Jun 30, 2026
LORD, ABBETT & CO. LLC
CIK 728100
Shares
3.19M
Value
124.46K
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.07M
Value
119.55M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
2.99M
Value
116.62K
Filed
Jun 30, 2026
XN LP
CIK 1756558
Shares
2.63M
Value
102.59M
Filed
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
2.45M
Value
95.40K
Filed
Jun 30, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 1535845
Shares
2.44M
Value
95.28M
Filed
Jun 30, 2026
MEREWETHER INVESTMENT MANAGEMENT, LP
CIK 1736852
Shares
1.94M
Value
75.81M
Filed
Jun 30, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
1.73M
Value
67.41M
Filed
Jun 30, 2026
ROBECO SCHWEIZ AG
CIK 1418427
Shares
1.54M
Value
37.83M
Filed
Sep 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | FMR LLC | 315066 | 14.08M | 549.31M | Jun 30, 2026 |
| 2 | DURABLE CAPITAL PARTNERS LP | 1798849 | 10.20M | 397.66M | Jun 30, 2026 |
| 3 | INVESCO LTD. | 914208 | 7.80M | 304.39M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 7.50M | 292.55M | Jun 30, 2026 |
| 5 | HRTG GPE, LLC | 1537455 | 7.41M | 288.89M | Jun 30, 2026 |
| 6 | CITADEL ADVISORS LLC | 1423053 | 6.45M | 251.48M | Jun 30, 2026 |
| 7 | MORGAN STANLEY | 895421 | 5.79M | 225.93M | Jun 30, 2026 |
| 8 | PICTET ASSET MANAGEMENT HOLDING SA | 1993888 | 4.43M | 172.95M | Jun 30, 2026 |
| 9 | ZIMMER PARTNERS, LP | 1565854 | 4.15M | 161.88M | Jun 30, 2026 |
| 10 | FOREST AVENUE CAPITAL MANAGEMENT LP | 1944889 | 4.06M | 158.41M | Jun 30, 2026 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.71M | 144.79M | Jun 30, 2026 |
| 12 | LORD, ABBETT & CO. LLC | 728100 | 3.19M | 124.46K | Jun 30, 2026 |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.07M | 119.55M | Jun 30, 2026 |
| 14 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 2.99M | 116.62K | Jun 30, 2026 |
| 15 | XN LP | 1756558 | 2.63M | 102.59M | Jun 30, 2026 |
| 16 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 2.45M | 95.40K | Jun 30, 2026 |
| 17 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1535845 | 2.44M | 95.28M | Jun 30, 2026 |
| 18 | MEREWETHER INVESTMENT MANAGEMENT, LP | 1736852 | 1.94M | 75.81M | Jun 30, 2026 |
| 19 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 1.73M | 67.41M | Jun 30, 2026 |
| 20 | ROBECO SCHWEIZ AG | 1418427 | 1.54M | 37.83M | Sep 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.