(MMS) Institutional Selling Activity

Several institutional investors tracked by InsiderSet reduced exposure to MMS during the quarter ended December 31, 2025 based on sequential SEC Form 13F filings.

The largest disclosed institutional seller of MMS during the latest reporting period reduced its reported position by approximately $23.41M based on quarter-end filing values.

Institutional selling activity may reflect profit-taking, sector rotation, portfolio rebalancing, or changing conviction levels among major investment firms. InsiderSet tracks quarter-over-quarter holding reductions, full exits, estimated value changes, and historical selling activity using publicly disclosed SEC filing data.

The investors covered on this page collectively reduced approximately $38.37M in reported MMS exposure during the latest filing period, although many institutional holders continue to maintain significant long-term ownership positions in MMS.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-100,70031,500$2,719,080
Q3 2025Renaissance Technologies LLCSell-34,800132,200$12,079,114
Q1 2025Renaissance Technologies LLCSell-343,30060,300$4,111,857
Q4 2023Renaissance Technologies LLCSell-28,70029,600$2,482
Q3 2023Jensen Investment ManagementSell-36,01027,130$2,026,068
Q2 2023Renaissance Technologies LLCSell-55,60033,400$2,823
Q2 2023Jensen Investment ManagementSell-2,02063,140$5,335,961
Q1 2023Renaissance Technologies LLCSell-32,00089,000$7,004
Q4 2022Renaissance Technologies LLCSell-79,700121,000$8,873
Q2 2022Renaissance Technologies LLCSell-21,500151,000$9,439
Q4 2021Hancock Classic ValueSell-4334,633$369
Q3 2021Renaissance Technologies LLCSell-109,68876,700$6,381
Q2 2021Renaissance Technologies LLCSell-25,012186,388$16,397
Q2 2021Jensen Investment ManagementSell-2,85029,430$2,589
Q2 2021Hancock Classic ValueSell-4585,066$446
Q1 2021Renaissance Technologies LLCSell-152,400211,400$18,823
Q1 2021Hancock Classic ValueSell-1,5535,524$492
Q3 2020Hancock Classic ValueSell-4,6926,169$422
Q1 2020Renaissance Technologies LLCSell-16,800141,200$8,218
Q3 2019Renaissance Technologies LLCSell-23,0006,900$533
Q2 2019Renaissance Technologies LLCSell-415,20029,900$2,169
Q1 2019Renaissance Technologies LLCSell-128,900445,100$31,593
Q4 2017Renaissance Technologies LLCSell-58,00028,700$2,054
Q2 2016Renaissance Technologies LLCSell-577,00086,700$4,801
Q1 2016Renaissance Technologies LLCSell-376,600663,700$34,937
Q4 2015Renaissance Technologies LLCSell-308,9001,040,300$58,517
Q3 2015Renaissance Technologies LLCSell-224,5001,349,200$80,358
Q2 2015Renaissance Technologies LLCSell-218,1001,573,700$103,439
Q1 2015Renaissance Technologies LLCSell-376,2001,791,800$119,621
Q4 2014Renaissance Technologies LLCSell-108,5002,168,000$118,893

Frequently asked questions about MMS activity

  • Which institutional owners are buying MMS?

    Institutional owners buying MMS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MMS activity?

    "Buy" means an investor increased their reported position in MMS compared to the prior reporting period. This reflects growing exposure to MMS rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MMS increasing?

    Institutional interest in MMS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.