Seabridge Gold Inc.
US ˙ NYSE ˙ CA8119161054

SecuritySA / Seabridge Gold Inc.
InstitutionSimplex Trading, Llc
Latest Disclosed Ownership17,279 shares
Latest Disclosed Value $ 489,686
Simplex Trading, Llc ownership in SA / Seabridge Gold Inc.

On May 14, 2026 - Simplex Trading, Llc filed a 13F-HR form disclosing ownership of 17,279 shares of Seabridge Gold Inc. (US:SA) valued at $489,687 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 0 shares of Seabridge Gold Inc.. The current value of the position is $592,670 USD.

Simplex Trading, Llc has a history of taking positions in derivatives of the underlying security (SA) in the form of stock options. The firm currently holds call options representing 130,500 of underlying shares valued at $3,698,370 USD and put options representing 18,500 of underlying shares valued at $524,290 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

SA / Seabridge Gold Inc. Historical Put/Call Ratio
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)
2026-05-14 2026-03-31 13F SEABRIDGE GOLD COM 811916105 17,279 17,279 490 0.0002
2026-02-11 2025-12-31 13F SEABRIDGE GOLD COM 811916105 0 -68,078 -100.00 0 -100.00
2025-11-12 2025-09-30 13F SEABRIDGE GOLD COM 811916105 68,078 66,856 5,471.03 2 0.0008
2025-08-05 2025-06-30 13F SEABRIDGE GOLD COM 811916105 1,222 -44,343 -97.32 0 0.0000
2025-05-12 2025-03-31 13F SEABRIDGE GOLD COM 811916105 45,565 29,091 176.59 1 0.0003
2025-02-11 2024-12-31 13F SEABRIDGE GOLD COM 811916105 16,474 -102,802 -86.19 0 -100.00 0.0001
2024-11-08 2024-09-30 13F SEABRIDGE GOLD COM 811916105 119,276 22,085 22.72 2 100.00 0.0012
2024-07-25 2024-06-30 13F SEABRIDGE GOLD COM 811916105 97,191 24,039 32.86 1 0.00 0.0008
2024-04-25 2024-03-31 13F SEABRIDGE GOLD COM 811916105 73,152 36,653 100.42 1 0.0006
2024-02-02 2023-12-31 13F SEABRIDGE GOLD COM 811916105 36,499 -9,093 -19.94 0 0.0003
2023-11-01 2023-09-30 13F SEABRIDGE GOLD COM 811916105 45,592 28,277 163.31 0 0.0004
2023-08-04 2023-06-30 13F SEABRIDGE GOLD COM 811916105 17,315 10,091 139.69 0 0.0002
2023-04-27 2023-03-31 13F SEABRIDGE GOLD COM 811916105 7,224 3,159 77.71 0 0.0001
2023-02-02 2022-12-31 13F SEABRIDGE GOLD COM 811916105 4,065 -7,315 -64.28 0 -100.00 0.0001
2022-11-04 2022-09-30 13F SEABRIDGE GOLD COM 811916105 11,380 -3,612 -24.09 135 -27.42 0.0002
2022-08-03 2022-06-30 13F SEABRIDGE GOLD COM 811916105 14,992 2,567 20.66 186 -18.78 0.0002
2022-05-02 2022-03-31 13F SEABRIDGE GOLD COM 811916105 12,425 10,697 619.04 229 717.86 0.0002
2022-02-23 2021-12-31 13F/A-1 SEABRIDGE GOLD COM 811916105 1,728 -3,098 -64.19 28 -66.67 0.0000
2022-02-04 2021-12-31 13F SEABRIDGE GOLD COM 811916105 4,826 0 84 0.0000
2021-10-28 2021-09-30 13F SEABRIDGE GOLD COM 811916105 4,826 0 0.00 84 0.00 0.0001
2021-08-12 2021-06-30 13F SEABRIDGE GOLD COM 811916105 4,826 -9,797 -67.00 84 -64.41 0.0001
2021-04-26 2021-03-31 13F SEABRIDGE GOLD COM 811916105 14,623 -9,765 -40.04 236 -54.00 0.0004
2021-02-02 2020-12-31 13F SEABRIDGE GOLD COM 811916105 24,388 10,241 72.39 513 93.58 0.0007
2020-10-14 2020-09-30 13F SEABRIDGE GOLD COM 811916105 14,147 -12,800 -47.50 265 -43.86 0.0004
2020-07-13 2020-06-30 13F SEABRIDGE GOLD COM 811916105 26,947 -16,248 -37.62 472 17.12 0.0008
2020-04-29 2020-03-31 13F SEABRIDGE GOLD COM 811916105 43,195 27,012 166.92 403 80.72 0.0007
2020-02-05 2019-12-31 13F SEABRIDGE GOLD COM 811916105 16,183 5,411 50.23 223 63.97 0.0005
2019-10-15 2019-09-30 13F SEABRIDGE GOLD COM 811916105 10,772 10,772 136 0.0004
2019-07-26 2019-06-30 13F SEABRIDGE GOLD COM 811916105 0 -10,194 -100.00 0 -100.00
2019-04-18 2019-03-31 13F SEABRIDGE GOLD COM 811916105 10,194 -44 -0.43 126 -6.67 0.0004
2019-01-16 2018-12-31 13F SEABRIDGE GOLD COM 811916105 10,238 10,238 0.43 135 7.14 0.0004
2018-10-23 2018-09-30 13F SEABRIDGE GOLD COM 811916105 0 -7,401 -100.00 0 -100.00
2018-07-30 2018-06-30 13F SEABRIDGE GOLD COM 811916105 7,401 -2,351 -24.11 82 -21.90 0.0003
2018-04-26 2018-03-31 13F SEABRIDGE GOLD COM 811916105 9,752 5,170 112.83 105 105.88 0.0046
2018-01-10 2017-12-31 13F SEABRIDGE GOLD COM 811916105 4,582 -4,951 -51.94 51 -56.03 0.0022
2017-10-25 2017-09-30 13F SEABRIDGE GOLD COM 811916105 9,533 9,533 108.05 116 127.45 0.0047
2017-07-12 2017-06-30 13F SEABRIDGE GOLD COM 811916105 0 -14,979 -100.00 0 -100.00
2017-04-21 2017-03-31 13F SEABRIDGE GOLD COM 811916105 14,979 14,979 164 0.0071
2017-01-11 2016-12-31 13F SEABRIDGE GOLD COM 811916105 0 -19,023 -100.00 0 -100.00
2016-10-07 2016-09-30 13F SEABRIDGE GOLD COM 811916105 19,023 17,143 911.86 209 674.07 0.0142
2016-07-18 2016-06-30 13F SEABRIDGE GOLD COM 811916105 1,880 1,303 225.82 27 350.00 0.0018
2016-04-14 2016-03-31 13F SEABRIDGE GOLD COM 811916105 577 577 -69.31 6 -77.78 0.0005
2015-10-08 2015-09-30 13F SEABRIDGE GOLD COM 811916105 0 -3,245 -100.00 0 -100.00
2015-07-08 2015-06-30 13F SEABRIDGE GOLD COM 811916105 3,245 279 9.41 19 18.75 0.0016
2015-04-21 2015-03-31 13F SEABRIDGE GOLD COM 811916105 2,966 -211 -6.64 16 -33.33 0.0019
2015-03-04 2014-12-31 13F SEABRIDGE GOLD COM 811916105 3,177 3,177 24 0.0029
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F SEABRIDGE GOLD CALL Call 130,500 -59.10 3,698 -60.83 n/a n/a n/a
2026-02-11 2025-12-31 13F SEABRIDGE GOLD CALL Call 319,100 34.64 9,442 188,740.00 n/a n/a n/a
2025-11-12 2025-09-30 13F SEABRIDGE GOLD CALL Call 237,000 24.54 6 150.00 n/a n/a n/a
2025-08-05 2025-06-30 13F SEABRIDGE GOLD CALL Call 190,300 4.50 3 0.00 n/a n/a n/a
2025-05-12 2025-03-31 13F SEABRIDGE GOLD CALL Call 182,100 34.89 2 100.00 n/a n/a n/a
2025-02-11 2024-12-31 13F SEABRIDGE GOLD CALL Call 135,000 23.18 2 0.00 n/a n/a n/a
2024-11-08 2024-09-30 13F SEABRIDGE GOLD CALL Call 109,600 -20.69 2 0.00 n/a n/a n/a
2024-07-25 2024-06-30 13F SEABRIDGE GOLD CALL Call 138,200 -26.10 2 -50.00 n/a n/a n/a
2024-04-25 2024-03-31 13F SEABRIDGE GOLD CALL Call 187,000 115.69 3 100.00 n/a n/a n/a
2024-02-02 2023-12-31 13F SEABRIDGE GOLD CALL Call 86,700 1,394.83 1 n/a n/a n/a
2023-11-01 2023-09-30 13F SEABRIDGE GOLD CALL Call 5,800 -42.00 0 n/a n/a n/a
2023-08-04 2023-06-30 13F SEABRIDGE GOLD CALL Call 10,000 -5.66 0 n/a n/a n/a
2023-04-27 2023-03-31 13F SEABRIDGE GOLD CALL Call 10,600 -45.92 0 n/a n/a n/a
2023-02-02 2022-12-31 13F SEABRIDGE GOLD CALL Call 19,600 -31.71 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F SEABRIDGE GOLD CALL Call 28,700 293.15 340 277.78 n/a n/a n/a
2022-08-03 2022-06-30 13F SEABRIDGE GOLD CALL Call 7,300 -19.78 90 -46.43 n/a n/a n/a
2022-05-02 2022-03-31 13F SEABRIDGE GOLD CALL Call 9,100 -78.54 168 -75.97 n/a n/a n/a
2022-02-23 2021-12-31 13F/A SEABRIDGE GOLD CALL Call 42,400 288.99 699 269.84 n/a n/a n/a
2022-02-04 2021-12-31 13F SEABRIDGE GOLD CALL Call 10,900 189 n/a n/a n/a
2021-10-28 2021-09-30 13F SEABRIDGE GOLD CALL Call 10,900 0.00 189 -1.05 n/a n/a n/a
2021-08-12 2021-06-30 13F SEABRIDGE GOLD CALL Call 10,900 4,242.63 191 -52.84 n/a n/a n/a
2021-04-26 2021-03-31 13F SEABRIDGE GOLD CALL Call 251 17.84 405 -9.60 n/a n/a n/a
2021-02-02 2020-12-31 13F SEABRIDGE GOLD CALL Call 213 29.88 448 45.93 n/a n/a n/a
2020-10-14 2020-09-30 13F SEABRIDGE GOLD CALL Call 164 6.49 307 13.70 n/a n/a n/a
2020-07-13 2020-06-30 13F SEABRIDGE GOLD CALL Call 154 -41.67 270 9.76 n/a n/a n/a
2020-04-29 2020-03-31 13F SEABRIDGE GOLD CALL Call 264 59.04 246 7.42 n/a n/a n/a
2020-02-05 2019-12-31 13F SEABRIDGE GOLD CALL Call 166 -44.67 229 -39.58 n/a n/a n/a
2019-10-15 2019-09-30 13F SEABRIDGE GOLD CALL Call 300 35.14 379 26.33 n/a n/a n/a
2019-07-26 2019-06-30 13F SEABRIDGE GOLD CALL Call 222 100.00 300 118.98 n/a n/a n/a
2019-04-18 2019-03-31 13F SEABRIDGE GOLD CALL Call 111 -69.51 137 -71.52 n/a n/a n/a
2019-01-16 2018-12-31 13F SEABRIDGE GOLD CALL Call 364 237.04 481 246.04 n/a n/a n/a
2018-10-23 2018-09-30 13F SEABRIDGE GOLD CALL Call 108 2,060.00 139 2,680.00 n/a n/a n/a
2018-07-30 2018-06-30 13F SEABRIDGE GOLD CALL Call 5 -68.75 5 -96.40 n/a n/a n/a
2018-04-26 2018-03-31 13F SEABRIDGE GOLD CALL Call 16 -63.64 0 -100.00 n/a n/a n/a
2018-01-10 2017-12-31 13F SEABRIDGE GOLD CALL Call 44 -89.08 3 -86.96 n/a n/a n/a
2017-10-25 2017-09-30 13F SEABRIDGE GOLD CALL Call 403 107.73 23 360.00 n/a n/a n/a
2017-07-12 2017-06-30 13F SEABRIDGE GOLD CALL Call 194 -43.44 5 -70.59 n/a n/a n/a
2017-04-21 2017-03-31 13F SEABRIDGE GOLD CALL Call 343 462.30 17 142.86 n/a n/a n/a
2017-01-11 2016-12-31 13F SEABRIDGE GOLD CALL Call 61 -76.89 7 -88.33 n/a n/a n/a
2016-10-07 2016-09-30 13F SEABRIDGE GOLD CALL Call 264 -37.14 60 -57.75 n/a n/a n/a
2016-07-18 2016-06-30 13F SEABRIDGE GOLD CALL Call 420 100.96 142 136.67 n/a n/a n/a
2016-04-14 2016-03-31 13F SEABRIDGE GOLD CALL Call 209 -14.69 60 -26.83 n/a n/a n/a
2016-01-20 2015-12-31 13F SEABRIDGE GOLD CALL Call 245 265.67 82 925.00 n/a n/a n/a
2015-10-08 2015-09-30 13F SEABRIDGE GOLD CALL Call 67 131.03 8 700.00 n/a n/a n/a
2015-07-08 2015-06-30 13F SEABRIDGE GOLD CALL Call 29 222.22 1 -87.50 n/a n/a n/a
2015-04-21 2015-03-31 13F SEABRIDGE GOLD CALL Call 9 -86.76 0 -100.00 n/a n/a n/a
2015-03-04 2014-12-31 13F SEABRIDGE GOLD CALL Call 68 14 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F SEABRIDGE GOLD PUT Put 18,500 -58.05 524 -59.82 n/a n/a n/a
2026-02-11 2025-12-31 13F SEABRIDGE GOLD PUT Put 44,100 67.05 1,305 n/a n/a n/a
2025-11-12 2025-09-30 13F SEABRIDGE GOLD PUT Put 26,400 -26.46 1 n/a n/a n/a
2025-08-05 2025-06-30 13F SEABRIDGE GOLD PUT Put 35,900 48.35 1 n/a n/a n/a
2025-05-12 2025-03-31 13F SEABRIDGE GOLD PUT Put 24,200 122.02 0 n/a n/a n/a
2025-02-11 2024-12-31 13F SEABRIDGE GOLD PUT Put 10,900 -91.34 0 -100.00 n/a n/a n/a
2024-11-08 2024-09-30 13F SEABRIDGE GOLD PUT Put 125,900 54.48 2 100.00 n/a n/a n/a
2024-07-25 2024-06-30 13F SEABRIDGE GOLD PUT Put 81,500 184.97 1 n/a n/a n/a
2024-04-25 2024-03-31 13F SEABRIDGE GOLD PUT Put 28,600 -54.60 0 n/a n/a n/a
2024-02-02 2023-12-31 13F SEABRIDGE GOLD PUT Put 63,000 38.77 1 n/a n/a n/a
2023-11-01 2023-09-30 13F SEABRIDGE GOLD PUT Put 45,400 316.51 0 n/a n/a n/a
2023-08-04 2023-06-30 13F SEABRIDGE GOLD PUT Put 10,900 194.59 0 n/a n/a n/a
2023-04-27 2023-03-31 13F SEABRIDGE GOLD PUT Put 3,700 -37.29 0 n/a n/a n/a
2023-02-02 2022-12-31 13F SEABRIDGE GOLD PUT Put 5,900 -85.68 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F SEABRIDGE GOLD PUT Put 41,200 324.74 489 307.50 n/a n/a n/a
2022-08-03 2022-06-30 13F SEABRIDGE GOLD PUT Put 9,700 56.45 120 5.26 n/a n/a n/a
2022-05-02 2022-03-31 13F SEABRIDGE GOLD PUT Put 6,200 -72.44 114 -69.27 n/a n/a n/a
2022-02-23 2021-12-31 13F/A SEABRIDGE GOLD PUT Put 22,500 19.68 371 13.46 n/a n/a n/a
2022-02-04 2021-12-31 13F SEABRIDGE GOLD PUT Put 18,800 327 n/a n/a n/a
2021-10-28 2021-09-30 13F SEABRIDGE GOLD PUT Put 18,800 0.00 327 -0.61 n/a n/a n/a
2021-08-12 2021-06-30 13F SEABRIDGE GOLD PUT Put 18,800 29,741.27 329 225.74 n/a n/a n/a
2021-04-26 2021-03-31 13F SEABRIDGE GOLD PUT Put 63 -78.93 101 -83.94 n/a n/a n/a
2021-02-02 2020-12-31 13F SEABRIDGE GOLD PUT Put 299 -56.35 629 -51.09 n/a n/a n/a
2020-10-14 2020-09-30 13F SEABRIDGE GOLD PUT Put 685 2.70 1,286 10.01 n/a n/a n/a
2020-07-13 2020-06-30 13F SEABRIDGE GOLD PUT Put 667 -30.30 1,169 30.76 n/a n/a n/a
2020-04-29 2020-03-31 13F SEABRIDGE GOLD PUT Put 957 -5.81 894 -36.32 n/a n/a n/a
2020-02-05 2019-12-31 13F SEABRIDGE GOLD PUT Put 1,016 -19.49 1,404 -12.09 n/a n/a n/a
2019-10-15 2019-09-30 13F SEABRIDGE GOLD PUT Put 1,262 188.79 1,597 170.22 n/a n/a n/a
2019-07-26 2019-06-30 13F SEABRIDGE GOLD PUT Put 437 203.47 591 232.02 n/a n/a n/a
2019-04-18 2019-03-31 13F SEABRIDGE GOLD PUT Put 144 -38.46 178 -42.39 n/a n/a n/a
2019-01-16 2018-12-31 13F SEABRIDGE GOLD PUT Put 234 112.73 309 117.61 n/a n/a n/a
2018-10-23 2018-09-30 13F SEABRIDGE GOLD PUT Put 110 -45.54 142 -36.89 n/a n/a n/a
2018-07-30 2018-06-30 13F SEABRIDGE GOLD PUT Put 202 -19.20 225 878.26 n/a n/a n/a
2018-04-26 2018-03-31 13F SEABRIDGE GOLD PUT Put 250 -23.55 23 53.33 n/a n/a n/a
2018-01-10 2017-12-31 13F SEABRIDGE GOLD PUT Put 327 47.30 15 400.00 n/a n/a n/a
2017-10-25 2017-09-30 13F SEABRIDGE GOLD PUT Put 222 -49.43 3 -57.14 n/a n/a n/a
2017-07-12 2017-06-30 13F SEABRIDGE GOLD PUT Put 439 -26.96 7 -79.41 n/a n/a n/a
2017-04-21 2017-03-31 13F SEABRIDGE GOLD PUT Put 601 139.44 34 -46.03 n/a n/a n/a
2017-01-11 2016-12-31 13F SEABRIDGE GOLD PUT Put 251 -48.57 63 -22.22 n/a n/a n/a
2016-10-07 2016-09-30 13F SEABRIDGE GOLD PUT Put 488 15.37 81 200.00 n/a n/a n/a
2016-07-18 2016-06-30 13F SEABRIDGE GOLD PUT Put 423 7.63 27 125.00 n/a n/a n/a
2016-04-14 2016-03-31 13F SEABRIDGE GOLD PUT Put 393 186.86 12 0.00 n/a n/a n/a
2016-01-20 2015-12-31 13F SEABRIDGE GOLD PUT Put 137 63.10 12 20.00 n/a n/a n/a
2015-10-08 2015-09-30 13F SEABRIDGE GOLD PUT Put 84 4,100.00 10 -16.67 n/a n/a n/a
2015-07-08 2015-06-30 13F SEABRIDGE GOLD PUT Put 2 -96.08 0 -100.00 n/a n/a n/a
2015-04-21 2015-03-31 13F SEABRIDGE GOLD PUT Put 51 -40.00 8 -60.00 n/a n/a n/a
2015-03-04 2014-12-31 13F SEABRIDGE GOLD PUT Put 85 20 n/a n/a n/a
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.