13F Notebook
← Dashboard
Fund detail

Wellington Management Group

large-active, lo

Quarters 52
2026-03-31 $535.46B
Positions 1,853
Showing 30 of 2,034 rows

Price is the latest implied close from the selected quarter's 13F (value ÷ shares). Est. Cost is a running average that assumes each quarter's trades cleared near the midpoint of consecutive 13F closes (or yfinance VWAP when available). Most accurate for slow accumulators, least accurate for activists who build positions in a few days.

# Issuer Value ↑ Weight Shares Share Δ Share Δ % Prev Weight First Held Price Est. Cost Unrealized % Status
1 10X GENOMICS INC $0 0 -1,448,765 -100.00% 0.00%
2 ADECOAGRO S A $0 0 -303,869 -100.00% 0.00%
3 AIRBNB INC $0 0 -375,000 -100.00% 0.00%
4 ALARM COM HLDGS INC $0 0 -5,620,000 -100.00% 0.00%
5 ALEXANDRIA REAL ESTATE EQ IN $0 0 -11,678 -100.00% 0.00%
6 ALLIANT ENERGY CORP $0 0 -1,415,000 -100.00% 0.00%
7 ALPHA METALLURGICAL RESOUR I $0 0 -44,958 -100.00% 0.00%
8 AMCOR PLC $0 0 -32,719,830 -100.00% 0.05%
9 AMENTUM HOLDINGS INC $0 0 -18,948 -100.00% 0.00%
10 AMERICAN ASSETS TR INC $0 0 -218,168 -100.00% 0.00%
11 AMERICAN EAGLE OUTFITTERS IN $0 0 -424,317 -100.00% 0.00%
12 AMERICAN FINL GROUP INC OHIO $0 0 -84,123 -100.00% 0.00%
13 AMICUS THERAPEUTICS INC $0 0 -1,373,867 -100.00% 0.00%
14 APELLIS PHARMACEUTICALS INC $0 0 -1,130,000 -100.00% 0.00%
15 APTARGROUP INC $0 0 -14,146 -100.00% 0.00%
16 ARCELLX INC $0 0 -214,776 -100.00% 0.00%
17 ARCHER AVIATION INC $0 0 -933,428 -100.00% 0.00%
18 ASPEN INSURANCE HOLDINGS LTD $0 0 -275,709 -100.00% 0.00%
19 ASTRAZENECA PLC $0 0 -22,828,246 -100.00% 0.37%
20 ATKORE INC $0 0 -188,262 -100.00% 0.00%
21 AVIDITY BIOSCIENCES INC $0 0 -723,118 -100.00% 0.01%
22 AXIS CAP HLDGS LTD $0 0 -91,056 -100.00% 0.00%
23 BANCO MACRO SA $0 0 -24,764 -100.00% 0.00%
24 BANDWIDTH INC $0 0 -1,770,000 -100.00% 0.00%
25 BELITE BIO INC $0 0 -6,198 -100.00% 0.00%
26 BENTLEY SYS INC $0 0 -5,908 -100.00% 0.00%
27 BENTLEY SYS INC $0 0 -2,070,000 -100.00% 0.00%
28 BENTLEY SYS INC $0 0 -1,128,000 -100.00% 0.00%
29 BLACK ROCK COFFEE BAR INC $0 0 -943,524 -100.00% 0.00%
30 BRIGHTHOUSE FINL INC $0 0 -15,780 -100.00% 0.00%