Form 13-F position report

GOGO INC COM STK (DE)

Reported by WILLIAM BLAIR INVESTMENT MANAGEMENT LLC

GOGO CUSIP 38046C109 Manager CIK 0001644956

Reported 2,424,378 shares, up 330,961 (15.8%) from the prior quarter.

Reported value 30.5%; share count 15.8% vs. the prior quarter.

Added
% of reported 13F value 0.05% This manager · Q4 2024
Shares 2,424,378 Quarter-end amount reported
Reported value $19,613,218 Fair value at quarter end
Consecutive quarters held 15 Through Q4 2024

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-09-30 37905000
2021-12-31 29968000
2022-03-31 30860000
2022-06-30 15210000
2022-09-30 14691000
2022-12-31 18034226
2023-03-31 19216966
2023-06-30 22833833
2023-09-30 19491986
2023-12-31 19305713
2024-03-31 16869497
2024-06-30 19948927
2024-09-30 15030734
2024-12-31 19613218
2025-03-31 21759018
2025-06-30 83291868
2025-09-30 52121225
2025-12-31 122199
2026-03-31 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

19 quarters
Quarterly reported position history for GOGO INC COM STK (DE) held by WILLIAM BLAIR INVESTMENT MANAGEMENT LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q1 2026 Reduced 0 -26,223 (-100.0%) 0 $0 2026-05-08
Q4 2025 Reduced 26,223 -6,041,440 (-99.6%) < 0.01% $122,199 2026-02-09
Q3 2025 Added 6,067,663 +393,830 (6.9%) 0.13% $52,121,225 2025-11-12
Q2 2025 Added 5,673,833 +3,149,585 (124.8%) 0.22% $83,291,868 2025-07-29
Q1 2025 Added 2,524,248 +99,870 (4.1%) 0.06% $21,759,018 2025-05-09
Q4 2024 Added 2,424,378 +330,961 (15.8%) 0.05% $19,613,218 2025-02-10
Q3 2024 Added 2,093,417 +19,724 (1.0%) 0.04% $15,030,734 2024-11-08
Q2 2024 Added 2,073,693 +152,338 (7.9%) 0.05% $19,948,927 2024-08-08
Q1 2024 Added 1,921,355 +15,559 (0.8%) 0.04% $16,869,497 2024-05-08
Q4 2023 Added 1,905,796 +271,933 (16.6%) 0.06% $19,305,713 2024-02-09
Q3 2023 Added 1,633,863 +291,486 (21.7%) 0.06% $19,491,986 2023-11-09
Q2 2023 Added 1,342,377 +17,069 (1.3%) 0.07% $22,833,833 2023-08-11
Q1 2023 Added 1,325,308 +103,477 (8.5%) 0.07% $19,216,966 2023-05-12
Q4 2022 Added 1,221,831 +9,703 (0.8%) 0.07% $18,034,226 2023-02-09
Q3 2022 Added 1,212,128 +272,640 (29.0%) 0.06% $14,691,000 2022-11-09
Q2 2022 Reduced 939,488 -679,621 (-42.0%) 0.06% $15,210,000 2022-08-10
Q1 2022 Reduced 1,619,109 -595,843 (-26.9%) 0.09% $30,860,000 2022-05-11
Q4 2021 Added 2,214,952 +23,896 (1.1%) 0.08% $29,968,000 2022-02-14
Q3 2021 Added 2,191,056 +33,465 (1.6%) 0.11% $37,905,000 2021-11-10
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

218 managers reported GOGO INC COM STK (DE) for Q4 2024.

Managers reporting GOGO INC COM STK (DE) in Q4 2024.
Manager Activity Shares Change % of reported 13F Reported value Tenure
GTCR LLC Unchanged 31,739,011 0 24.69% $256,768,599 17 qtrs
FMR LLC Added 13,475,009 +7,821,973 < 0.01% $109,012,825 17 qtrs
BlackRock Inc Added 10,062,254 +224,513 < 0.01% $81,403,634 2 qtrs
VANGUARD GROUP INC Reduced 5,210,213 -523,608 < 0.01% $42,150,623 46 qtrs
Capco Asset Management LLC Added 3,009,743 +544,178 5.47% $24,348,822 12 qtrs
STATE STREET CORPORATION Added 2,595,488 +133,797 < 0.01% $20,997,498 46 qtrs
Nantahala Capital Management LLC Added 2,574,642 +2,099,145 0.89% $20,828,854 2 qtrs
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC This report Added 2,424,378 +330,961 0.05% $19,613,218 15 qtrs
LB Partners LLC Added 2,221,092 +176,092 13.47% $17,968,634 5 qtrs
Tenzing Global Management LLC Added 2,075,000 +775,000 12.55% $16,786,750 24 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
December 31, 2024
Filed
February 10, 2025
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
1,967,165
Shared
0
None
457,213

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.