YOU ARE CORRECT.
2022-02-08 - Swiss National Bank has filed a 13F-HR form disclosing ownership of 182,000 shares of PyroGenesis Canada Inc. (US:PYR) with total holdings valued at $478,000 USD as of 2021-12-31. Swiss National Bank had filed a previous 13F-HR on 2021-11-08 disclosing 182,000 shares of PyroGenesis Canada Inc. at a value of $732,000 USD. This represents a change in shares of 0.00 percent and a change in value of -34.70 percent during the quarter.