Catalyst Pharmaceuticals, Inc.
US ˙ NASDAQCM ˙ US14888U1016 ˙ Medical Devices
DIESES SYMBOL IST NICHT MEHR AKTIV

SecurityCPRX / Catalyst Pharmaceuticals, Inc.
InstitutionBank Of Montreal /can/
Latest Disclosed Ownership11,286 shares
Latest Disclosed Value $ 354,719
Bank Of Montreal /can/ reports 0.75% increase in ownership of CPRX / Catalyst Pharmaceuticals, Inc.

On August 12, 2026 - Bank Of Montreal /can/ filed a 13F-HR form disclosing ownership of 11,286 shares of Catalyst Pharmaceuticals, Inc. (US:CPRX) valued at $354,719 USD as of June 30, 2026. The entity filed a previous 13F-HR on May 13, 2026 disclosing 11,202 shares of Catalyst Pharmaceuticals, Inc.. This represents a change in shares of 0.75% during the quarter. The current value of the position is $355,396 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-08-12 2026-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 11,286 84 0.75 355 27.80 0.0001
2026-05-13 2026-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 11,202 1,398 14.26 277 21.49 0.0001
2026-02-12 2025-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 9,804 9,804 229 0.0001
2025-11-13 2025-09-30 13F CATALYST PHARMACEUTICALS COM 14888U101 0 -20,594 -100.00 0 -100.00
2025-08-05 2025-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 20,594 851 4.31 447 -6.69 0.0002
2025-05-13 2025-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 19,743 4,864 32.69 479 54.19 0.0002
2025-02-13 2024-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 14,879 875 6.25 311 13.55 0.0001
2024-11-13 2024-09-30 13F CATALYST PHARMACEUTICALS COM 14888U101 14,004 461 3.40 274 30.62 0.0001
2024-08-14 2024-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 13,543 149 1.11 210 -3.24 0.0001
2024-05-13 2024-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 13,394 1,921 16.74 216 9.09 0.0001
2024-02-08 2023-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 11,473 11,473 198 0.0001
2023-08-02 2023-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 0 -12,772 -100.00 0 -100.00
2024-06-13 2023-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 12,772 12,772 213 0.0001
2022-02-11 2021-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 0 -593,007 -100.00 0 -100.00
2021-11-12 2021-09-30 13F CATALYST PHARMACEUTICALS COM 14888U101 593,007 -32,269 -5.16 3,066 -15.16 0.0014
2021-08-12 2021-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 625,276 286,155 84.38 3,614 140.61 0.0018
2021-05-13 2021-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 339,121 -993 -0.29 1,502 28.05 0.0010
2021-02-12 2020-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 340,114 61,504 22.08 1,173 35.29 0.0008
2020-11-12 2020-09-30 13F CATALYST PHARMACEUTICALS COM 14888U101 278,610 -20,252 -6.78 867 -42.20 0.0007
2020-08-12 2020-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 298,862 143,846 92.79 1,500 167.38 0.0014
2020-05-13 2020-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 155,016 -1,881 -1.20 561 -4.59 0.0006
2020-02-10 2019-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 156,897 143,434 1,065.39 588 716.67 0.0004
2019-11-08 2019-09-30 13F CATALYST PHARMACEUTICALS COM 14888U101 13,463 510 3.94 72 44.00 0.0001
2019-08-09 2019-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 12,953 7,953 159.06 50 92.31 0.0000
2019-04-26 2019-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 5,000 -1,361 -21.40 26 100.00 0.0000
2019-01-22 2018-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 6,361 695 12.27 13 -40.91 0.0000
2018-10-12 2018-09-30 13F CATALYST PHARMACEUTICALS COM 14888U101 5,666 -19 -0.33 22 22.22 0.0000
2018-07-13 2018-06-30 13F CATALYST PHARMACEUTICALS COM 14888U101 5,685 685 13.70 18 50.00 0.0000
2018-04-13 2018-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 5,000 5,000 12 0.0000
2017-04-11 2017-03-31 13F CATALYST PHARMACEUTICALS COM 14888U101 0 -1,000 -100.00 0 -100.00
2017-02-06 2016-12-31 13F CATALYST PHARMACEUTICALS COM 14888U101 1,000 0 0.00 1 0.00 0.0000
2016-10-19 2016-09-30 13F *CATALYST PHARMACEUTICALS COM 14888U101 1,000 0 0.00 1 0.00 0.0000
2016-07-25 2016-06-30 13F *CATALYST PHARMACEUTICALS COM 14888U101 1,000 -1,500 -60.00 1 -66.67 0.0000
2016-04-29 2016-03-31 13F *CATALYST PHARMACEUTICALS COM 14888U101 2,500 0 0.00 3 -50.00 0.0000
2016-02-09 2015-12-31 13F *CATALYST PHARMACEUTICALS COM 14888U101 2,500 0 0.00 6 -25.00 0.0000
2015-11-12 2015-09-30 13F *CATALYST PHARMACEUTICALS COM 14888U101 2,500 1,000 66.67 8 33.33 0.0000
2015-08-04 2015-06-30 13F *CATALYST PHARMACEUTICALS COM 14888U101 1,500 0 0.00 6 0.00 0.0000
2015-05-13 2015-03-31 13F *CATALYST PHARM PARTNERS COM 14888U101 1,500 0 0.00 6 50.00 0.0000
2015-02-09 2014-12-31 13F *CATALYST PHARM PARTNERS COM 14888U101 1,500 0 0.00 4 -20.00 0.0000
2014-11-07 2014-09-30 13F *CATALYST PHARM PARTNERS COM 14888U101 1,500 0 0.00 5 25.00 0.0000
2014-08-14 2014-06-30 13F *CATALYST PHARM PARTNERS COM 14888U101 1,500 0 0.00 4 33.33 0.0000
2014-05-15 2014-03-31 13F *CATALYST PHARM PARTNERS COM 14888U101 1,500 0 0.00 3 0.00 0.0000
2014-01-08 2013-12-31 13F *CATALYST PHARM PARTNERS COM 14888U101 1,500 1,500 3 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.