Institutional 13F data
Massachusetts Financial Services Co 13F
See 939 stock and ETF positions for Q1 2026, including 357 new or increased positions and 605 reductions or exits, with the original SEC filing. Put and call options are excluded.
13F filing follow-along calculator
If KRW 1,000,000 followed the new and increased positions
Checking current prices and calculating the KRW 1,000,000 result.
Massachusetts Financial Services Co 13F top holdings
Q1 2026 · 939 stock & ETF positions · Filed 2026-05-14 · Data updated 2026-07-07
View original SEC filings ↗Ranked by quarter-end stock and ETF value reported on Form 13F. Put and call options are excluded. These are not current market values or execution prices.
- Reported stock & ETF value
- $296.72B
- Top 10 concentration
- 20.6%
- Reported value
- $11.56B
- Portfolio weight
- 3.89%
Quarterly change: decreased -2.8%
- Reported value
- $10.67B
- Portfolio weight
- 3.59%
Quarterly change: decreased -5.9%
- Reported value
- $7.85B
- Portfolio weight
- 2.64%
Quarterly change: increased +12.7%
- Reported value
- $6.95B
- Portfolio weight
- 2.34%
Quarterly change: decreased -7.1%
- Reported value
- $6.57B
- Portfolio weight
- 2.21%
Quarterly change: decreased -8.6%
- Reported value
- $4.33B
- Portfolio weight
- 1.46%
Quarterly change: decreased -5.5%
- Reported value
- $3.42B
- Portfolio weight
- 1.15%
Quarterly change: increased +11.3%
- Reported value
- $3.4B
- Portfolio weight
- 1.14%
Quarterly change: decreased -4.6%
- Reported value
- $3.32B
- Portfolio weight
- 1.11%
Quarterly change: decreased -18.0%
- Reported value
- $3.11B
- Portfolio weight
- 1.05%
Quarterly change: decreased -1.8%
- Reported value
- $3.05B
- Portfolio weight
- 1.02%
Quarterly change: decreased -6.9%
- Reported value
- $3.02B
- Portfolio weight
- 1.02%
Quarterly change: decreased -7.0%
Largest new or increased positions
- Reported value
- $7.85B
- Portfolio weight
- 2.64%
Quarterly change: increased +12.7%
- Reported value
- $3.42B
- Portfolio weight
- 1.15%
Quarterly change: increased +11.3%
- Reported value
- $2.66B
- Portfolio weight
- 0.89%
Quarterly change: increased +2.3%
- Reported value
- $2.52B
- Portfolio weight
- 0.85%
Quarterly change: increased +27.2%
#5AEMAGNICO EAGLE MINES LTD
- Reported value
- $2.5B
- Portfolio weight
- 0.84%
Quarterly change: increased +1.7%
- Reported value
- $2.47B
- Portfolio weight
- 0.83%
Quarterly change: increased +5.2%
- Reported value
- $2.06B
- Portfolio weight
- 0.69%
Quarterly change: increased +76.4%
- Reported value
- $1.62B
- Portfolio weight
- 0.54%
Quarterly change: increased +1.9%
Latest 13F filing snapshot
- Reporting period
- 2026-03-31
- Filed
- 2026-05-14
- Stock & ETF positions
- 939
- New or increased
- 357
- Reduced or exited
- 605
- Unchanged
- 40
Counts cover unique stock and ETF positions and exclude put and call options, so they can differ from the SEC information-table row count. Form 13F reports quarter-end holdings and does not reveal every trade date or execution price.
View original SEC filings ↗Detailed changes for published stocks
2026-03-31 · ALKT · decreased -14.8%
- Shares
- 1,338,710
- Share change
- -232,546
- Reported value
- $20,977,586
- Filed
- 2026-05-14
ALKTSEC EDGAR ↗2026-03-31 · D · decreased -4.8%
- Shares
- 26,621,442
- Share change
- -1,342,258
- Reported value
- $1,640,546,066
- Filed
- 2026-05-14
DSEC EDGAR ↗2026-03-31 · EQH · decreased -17.2%
- Shares
- 3,991,113
- Share change
- -829,072
- Reported value
- $148,937,509
- Filed
- 2026-05-14
EQHSEC EDGAR ↗2026-03-31 · IFF · decreased -3.0%
- Shares
- 3,066,939
- Share change
- -94,854
- Reported value
- $243,579,131
- Filed
- 2026-05-14
IFFSEC EDGAR ↗2026-03-31 · KKR · decreased -23.1%
- Shares
- 14,350,033
- Share change
- -4,310,608
- Reported value
- $1,329,258,789
- Filed
- 2026-05-14
KKRSEC EDGAR ↗2026-03-31 · TD · decreased -6.5%
- Shares
- 14,219,093
- Share change
- -988,493
- Reported value
- $1,447,463,092
- Filed
- 2026-05-14
TDSEC EDGAR ↗2026-03-31 · TSM · decreased -4.6%
- Shares
- 9,677,855
- Share change
- -466,647
- Reported value
- $3,403,107,389
- Filed
- 2026-05-14
TSMSEC EDGAR ↗2026-03-31 · VC · decreased -12.3%
- Shares
- 539,137
- Share change
- -75,614
- Reported value
- $49,120,772
- Filed
- 2026-05-14
VCSEC EDGAR ↗2026-03-31 · WGS · increased +80.5%
- Shares
- 358,978
- Share change
- 160,098
- Reported value
- $23,053,567
- Filed
- 2026-05-14
WGSSEC EDGAR ↗