HOUGHTON MIFFLIN COMMON STOCK

HOUGHTON MIFFLIN COMMON STOCK is a security (CUSIP 441560109) tracked across SEC portfolio filings. 1 institutional managers reported $60 on Form 13F as of 2026-03-31.

Summary

• Issuer: HOUGHTON MIFFLIN
• Class: COMMON STOCK
• CUSIP: 441560109
• 13F holders: 1
• 13F value: $60
• 13F period: 2026-03-31
• N-PORT fund positions: 0

Top institutional holders (Form 13F)

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