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Wellington Management Group LLP

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

754

Stocks Covered

340

Latest Filing

Mar 5, 2026

Filings

TRUPANION, INC.

SC 13G/A · Nov 8, 2024

8.1%

3.4M shares

Prothena Corporation Public Limited Company

SC 13G · Nov 8, 2024

7.8%

4.2M shares

Acadia Realty Trust

SC 13G · Nov 8, 2024

5.7%

6.0M shares

Guardant Health, Inc.

SC 13G · Nov 8, 2024

8.2%

10.1M shares

Cadence Bank

SC 13G · Nov 8, 2024

6.9%

12.6M shares

MainStreet Bancshares, Inc.

SC 13G/A · Nov 8, 2024

5.6%

429K shares

Great Ajax Corp.

SC 13G/A · Nov 8, 2024

11.7%

5.3M shares

Wesbanco, Inc.

SC 13G · Nov 8, 2024

6.5%

3.9M shares

Cinemark Holdings, Inc.

SC 13G/A · Nov 8, 2024

9.4%

11.5M shares

Malibu Boats, Inc.

SC 13G · Nov 8, 2024

7.4%

1.5M shares

CarGurus, Inc.

SC 13G/A · Nov 8, 2024

7.3%

6.3M shares

Viavi Solutions Inc.

SC 13G/A · Nov 8, 2024

6.3%

13.9M shares

Monro, Inc.

SC 13G · Nov 8, 2024

5.4%

1.6M shares

Centerspace

SC 13G · Nov 8, 2024

6.7%

1.0M shares

Levi Strauss & Co.

SC 13G/A · Nov 8, 2024

6.3%

6.6M shares

Guardian Pharmacy Services, Inc.

SC 13G · Nov 8, 2024

5.4%

500K shares

Savara Inc.

SC 13G · Nov 8, 2024

5.2%

8.6M shares

Fiverr International Ltd.

SC 13G · Nov 8, 2024

8.2%

2.9M shares

Kennametal Inc.

SC 13G/A · Nov 8, 2024

8.0%

6.3M shares

Douglas Emmett, Inc.

SC 13G/A · Nov 8, 2024

6.7%

11.1M shares

Customers Bancorp, Inc.

SC 13G/A · Nov 8, 2024

8.9%

2.8M shares

Steven Madden, Ltd.

SC 13G/A · Nov 8, 2024

6.5%

4.7M shares

Jamf Holding Corp.

SC 13G/A · Nov 8, 2024

7.8%

10.0M shares

Haemonetics Corporation

SC 13G/A · Nov 8, 2024

8.3%

4.2M shares

National Bank Holdings Corporation

SC 13G/A · Nov 8, 2024

9.1%

3.5M shares

Sterling Check Corp

SC 13G/A · Nov 8, 2024

5.8%

5.7M shares

Smith Douglas Homes Corp.

SC 13G/A · Nov 8, 2024

11.4%

1.0M shares

Veracyte, Inc.

SC 13G/A · Nov 8, 2024

5.5%

4.2M shares

Flowserve Corporation

SC 13G/A · Nov 8, 2024

4.7%

6.2M shares

Builders FirstSource, Inc.

SC 13G/A · Nov 8, 2024

3.0%

3.5M shares

BWX Technologies, Inc.

SC 13G/A · Nov 8, 2024

3.3%

3.0M shares

ICU Medical, Inc.

SC 13G/A · Nov 8, 2024

3.8%

937K shares

Alnylam Pharmaceuticals, Inc.

SC 13G/A · Nov 8, 2024

3.9%

5.0M shares

Diamondback Energy, Inc.

SC 13G/A · Nov 8, 2024

1.0%

2.9M shares

Independence Realty Trust, Inc.

SC 13G · Nov 8, 2024

5.0%

11.4M shares

Barrick Gold Corporation

SC 13G/A · Nov 8, 2024

3.1%

54.7M shares

Blue Bird Corporation

SC 13G/A · Nov 8, 2024

3.6%

1.2M shares

Westinghouse Air Brake Technologies Corporation

SC 13G/A · Nov 8, 2024

2.2%

3.8M shares

Molina Healthcare, Inc.

SC 13G/A · Nov 8, 2024

4.2%

2.5M shares

Hyatt Hotels Corporation

SC 13G/A · Nov 8, 2024

3.8%

1.8M shares

Globe Life Inc.

SC 13G · Nov 8, 2024

5.3%

4.8M shares

Edwards Lifesciences Corporation

SC 13G · Nov 8, 2024

5.2%

31.5M shares

Host Hotel & Resorts, Inc.

SC 13G/A · Nov 8, 2024

2.9%

20.5M shares

Freshpet, Inc.

SC 13G/A · Nov 8, 2024

5.2%

2.5M shares

American Electric Power Company, Inc.

SC 13G/A · Nov 8, 2024

3.9%

20.9M shares

Everest Group, Ltd.

SC 13G · Nov 8, 2024

5.1%

2.2M shares

Ascendis Pharma A/S

SC 13G/A · Nov 8, 2024

2.2%

1.3M shares

Encompass Health Corporation

SC 13G/A · Nov 8, 2024

5.2%

5.2M shares

Chord Energy Corporation

SC 13G/A · Nov 8, 2024

2.6%

1.6M shares

American Eagle Outfitters, Inc.

SC 13G · Nov 8, 2024

5.1%

9.7M shares