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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  • Portfolio1.9k
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Asset Manager · CIK 0000902219

Wellington Management

Share
  • Mega-Fund

Wellington Management, an asset manager overseeing $570.60B in disclosed equity holdings (SEC CIK 0000902219). The latest portfolio (2025Q4) discloses 1874 positions across 11 sectors, with the largest positions in NVDA, MSFT and AAPL. On a mark-to-market basis the tracked portfolio has returned 132.7% since 2016Q1. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Wellington's filingsView holdings↓
Portfolio
$570.60B
Positions
1874
Quarter
2025Q4
Filings tracked
40
Since filing+132.7%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1

Holdings

Sorted by value · 2024Q4
3 positions
1
GFLGFL ENVIRONMENTAL INC
Industrials·Waste Management
76.45%
of portfolio
Number of shares
2,095,697 sh
Holdings current value
$93.34M
Avg closing price
$23.40
+66.4%
Last action
Added 45.7%
2025Q4
Current $38.94
2
DCBODOCEBO INC
Technology·Software - Application
21.62%
of portfolio
Number of shares
589,606 sh
Holdings current value
$26.40M
Avg closing price
$38.78
-56.9%
Last action
Added 0.9%
2025Q4
Current $16.72
3
N82405106STELLANTIS N.V
1.93%
of portfolio
Number of shares
181,082 sh
Holdings current value
$2.36M
Avg closing price
$17.51
Last action
New holding
2025Q4
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
GFL
76.45% · -12.6%
DCBO
21.62% · -62.7%
STELLANTIS N.V
1.93%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Industrials1 pos$93.3M78.0%
  • Technology1 pos$26.4M22.0%
(1.9% unclassified, excluded from %)