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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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  1. Home/
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  3. Wellington Management
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  • Portfolio1.9k
  • Performance40Q
  • Options38
  • Activity81k
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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 · 2023Q4
13 positions
1
VNOMUSDVIPER ENERGY INC
69.99%
of portfolio
Number of shares
13,490,896 sh
Holdings current value
$423.34M
Avg closing price
$32.10
Last action
Exited
2025Q3
Current —
2
AEGAEGON LTDNYR
Financial Services·Insurance - Diversified
12.83%
of portfolio
Number of shares
13,476,076 sh
Holdings current value
$77.62M
Avg closing price
$5.92
+37.1%
Last action
Exited
2025Q4
Current $8.11
3
CRGXCARGO THERAPEUTICS INC
6.45%
of portfolio
Number of shares
1,711,502 sh
Holdings current value
$39.01M
Avg closing price
$21.86
Last action
Exited
2025Q3
Current —
4
G42706104HAMILTON INSURANCE GROUP LTD
3.18%
of portfolio
Number of shares
1,287,546 sh
Holdings current value
$19.25M
Avg closing price
$19.35
Last action
Trimmed 41.7%
2025Q4
Current —
5
NOG 3.625 04/15/29NORTHERN OIL & GAS INC
1.85%
of portfolio
Number of shares
9,412,000 sh
Holdings current value
$11.17M
Avg closing price
$1.16
Last action
Trimmed 18.7%
2025Q4
Current —
6
AXON 0.5 12/15/27AXON ENTERPRISE INC
1.78%
of portfolio
Number of shares
8,525,000 sh
Holdings current value
$10.75M
Avg closing price
$1.26
Last action
Exited
2025Q3
Current —
7
NBBKNB BANCORP INC
Financial Services·Banks - Regional
1.20%
of portfolio
Number of shares
537,721 sh
Holdings current value
$7.23M
Avg closing price
$16.01
+40.5%
Last action
Trimmed 39.8%
2025Q4
Current $22.50
8
LNTH 2.625 12/15/27LANTHEUS HLDGS INC
0.79%
of portfolio
Number of shares
4,273,000 sh
Holdings current value
$4.79M
Avg closing price
$1.24
Last action
Added 47.6%
2025Q4
Current —
9
ENV 2.625 12/01/27ENVESTNET INC
0.76%
of portfolio
Number of shares
4,660,000 sh
Holdings current value
$4.61M
Avg closing price
$0.99
Last action
Exited
2024Q3
Current —
10
H11356104BUNGE GLOBAL SA
0.43%
of portfolio
Number of shares
25,739 sh
Holdings current value
$2.60M
Avg closing price
$89.51
Last action
Added 3.9%
2025Q4
Current —
11
VAC 3.25 12/15/27MARRIOTT VACATIONS WORLDWIDE CORP
0.37%
of portfolio
Number of shares
2,530,000 sh
Holdings current value
$2.24M
Avg closing price
$0.89
Last action
Trimmed 17.2%
2025Q3
Current —
12
WSWORTHINGTON STL INC
Basic Materials·Steel
0.35%
of portfolio
Number of shares
75,178 sh
Holdings current value
$2.11M
Avg closing price
$28.44
+20.9%
Last action
Added 7.8%
2025Q4
Current $34.40
13
HUTHUT 8 CORP
Financial Services·Capital Markets
0.03%
of portfolio
Number of shares
12,674 sh
Holdings current value
$169.9K
Avg closing price
$44.95
+66.6%
Last action
New holding
2025Q4
Current $74.90

Portfolio heatmap

Box size = % of portfolio · color = return since filing
VNOMUSD
69.99%
AEG
12.83% · +40.8%
CRGX
6.45%
HAMILTON INSURANCE GROUP LTD
3.18%
NOG 3.625 04/15/29
1.85%
AXON 0.5 12/15/27
1.78%
NBBK
1.20% · +67.3%
LNTH 2.625 12/15/27
0.79%
ENV 2.625 12/01/27
0.76%
BUNGE GLOBAL SA
0.43%
VAC 3.25 12/15/27
0.37%
WS
0.35% · +22.4%
HUT
0.03% · +458.6%

Sector exposure

Share of dollar value across the latest reported portfolio. Unclassified positions excluded.
  • Financial Services3 pos$85.0M97.6%
  • Basic Materials1 pos$2.1M2.4%
(85.6% unclassified, excluded from %)