HOUGHTON MIFFLIN HARCOURT CO's ticker is and the CUSIP is 44157R909. A total of 2 filers reported holding HOUGHTON MIFFLIN HARCOURT CO in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $23,000 | -81.1% | 20,500 | +169.7% | 0.00% | – |
| Q4 2021 | $122,000 | -78.6% | 7,600 | -85.5% | 0.00% | -100.0% |
| Q3 2021 | $570,000 | -40.8% | 52,500 | -39.9% | 0.00% | 0.0% |
| Q2 2021 | $963,000 | – | 87,300 | +8586.6% | 0.00% | – |
| Q1 2021 | $0 | -100.0% | 1,005 | +26.9% | 0.00% | – |
| Q4 2020 | $263,000 | +14.8% | 792 | -40.2% | 0.00% | – |
| Q3 2020 | $229,000 | +895.7% | 1,324 | +903.0% | 0.00% | – |
| Q2 2020 | $23,000 | +360.0% | 132 | +2100.0% | 0.00% | – |
| Q4 2018 | $5,000 | +66.7% | 6 | +20.0% | 0.00% | – |
| Q3 2018 | $3,000 | -25.0% | 5 | -95.9% | 0.00% | – |
| Q2 2017 | $4,000 | – | 121 | +426.1% | 0.00% | – |
| Q3 2016 | $0 | -100.0% | 23 | +15.0% | 0.00% | – |
| Q2 2016 | $1,000 | -50.0% | 20 | +81.8% | 0.00% | – |
| Q4 2015 | $2,000 | – | 11 | +10.0% | 0.00% | – |
| Q3 2015 | $0 | – | 10 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 5 | $3,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |