The Timken Company
US ˙ NYSE ˙ US8873891043

SecurityTKR / The Timken Company
InstitutionSimplex Trading, Llc
Latest Disclosed Ownership1,307 shares
Latest Disclosed Value $ 131,444
Simplex Trading, Llc ownership in TKR / The Timken Company

On May 14, 2026 - Simplex Trading, Llc filed a 13F-HR form disclosing ownership of 1,307 shares of The Timken Company (US:TKR) valued at $131,445 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 5,102 shares of The Timken Company. This represents a change in shares of -74.38% during the quarter. The current value of the position is $172,289 USD.

Simplex Trading, Llc has a history of taking positions in derivatives of the underlying security (TKR) in the form of stock options. The firm currently holds call options representing 500 of underlying shares valued at $50,285 USD and put options representing 0 of underlying shares valued at $0 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.

Upgrade to unlock premium data and export to Excel .

Institutional Put/Call Ratios
(Premium Subscription Required)

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.

TKR / The Timken Company 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 TIMKEN COM 887389104 1,307 -3,795 -74.38 131 -69.46 0.0000
2026-02-11 2025-12-31 13F TIMKEN COM 887389104 5,102 5,022 6,277.50 429 0.0002
2025-11-12 2025-09-30 13F TIMKEN COM 887389104 80 -1,437 -94.73 0 0.0000
2025-08-05 2025-06-30 13F TIMKEN COM 887389104 1,517 1,360 866.24 0 0.0001
2025-05-12 2025-03-31 13F TIMKEN COM 887389104 157 -9,817 -98.43 0 0.0000
2025-02-11 2024-12-31 13F TIMKEN COM 887389104 9,974 -5,405 -35.15 1 -100.00 0.0004
2024-11-08 2024-09-30 13F TIMKEN COM 887389104 15,379 15,379 1 0.0008
2024-04-25 2024-03-31 13F TIMKEN COM 887389104 0 -7,353 -100.00 0 0.0000
2024-02-02 2023-12-31 13F TIMKEN COM 887389104 7,353 7,353 1 0.0004
2023-11-01 2023-09-30 13F TIMKEN COM 887389104 0 -9,243 -100.00 0 0.0000
2023-08-04 2023-06-30 13F TIMKEN COM 887389104 9,243 9,243 1 0.0007
2022-11-04 2022-09-30 13F TIMKEN COM 887389104 0 -21 -100.00 0 -100.00
2022-08-03 2022-06-30 13F TIMKEN COM 887389104 21 -1,773 -98.83 1 -99.07 0.0000
2022-05-02 2022-03-31 13F TIMKEN COM 887389104 1,794 558 45.15 108 27.06 0.0001
2022-02-23 2021-12-31 13F/A-1 TIMKEN COM 887389104 1,236 1,236 85 0.0001
2021-08-12 2021-06-30 13F TIMKEN COM 887389104 0 -1,088 -100.00 0 -100.00
2021-04-26 2021-03-31 13F TIMKEN COM 887389104 1,088 1,088 88 0.0002
2020-04-28 2020-03-31 13F TIMKEN COM 887389104 0 -566 -100.00 0 -100.00
2020-02-05 2019-12-31 13F TIMKEN COM 887389104 566 333 142.92 31 210.00 0.0001
2019-10-15 2019-09-30 13F TIMKEN COM 887389104 233 -1,828 -88.69 10 -90.48 0.0000
2019-07-26 2019-06-30 13F TIMKEN COM 887389104 2,061 -2,579 -55.58 105 -48.02 0.0003
2019-04-18 2019-03-31 13F TIMKEN COM 887389104 4,640 4,640 125.13 202 92.38 0.0006
2019-01-16 2018-12-31 13F TIMKEN COM 887389104 0 -2,465 -100.00 0 -100.00
2018-10-23 2018-09-30 13F TIMKEN COM 887389104 2,465 -1,312 -34.74 122 -25.61 0.0004
2018-07-30 2018-06-30 13F TIMKEN COM 887389104 3,777 -10,589 -73.71 164 -74.96 0.0006
2018-04-26 2018-03-31 13F TIMKEN COM 887389104 14,366 14,366 655 0.0288
2016-07-18 2016-06-30 13F TIMKEN COM 887389104 0 -16,533 -100.00 0 -100.00
2016-04-14 2016-03-31 13F TIMKEN COM 887389104 16,533 14,809 858.99 553 1,028.57 0.0441
2016-01-20 2015-12-31 13F TIMKEN COM 887389104 1,724 -13,766 -88.87 49 -88.47 0.0038
2015-10-08 2015-09-30 13F TIMKEN COM 887389104 15,490 15,490 425 0.0312
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 TIMKEN CALL Call 500 -37.50 50 -25.37 n/a n/a n/a
2026-02-11 2025-12-31 13F TIMKEN CALL Call 800 -50.00 67 n/a n/a n/a
2025-11-12 2025-09-30 13F TIMKEN CALL Call 1,600 60.00 0 n/a n/a n/a
2025-08-05 2025-06-30 13F TIMKEN CALL Call 1,000 66.67 0 n/a n/a n/a
2025-05-12 2025-03-31 13F TIMKEN CALL Call 600 200.00 0 n/a n/a n/a
2025-02-11 2024-12-31 13F TIMKEN CALL Call 200 -91.30 0 n/a n/a n/a
2024-11-08 2024-09-30 13F TIMKEN CALL Call 2,300 -78.90 0 n/a n/a n/a
2024-07-25 2024-06-30 13F TIMKEN CALL Call 10,900 75.81 1 n/a n/a n/a
2024-04-25 2024-03-31 13F TIMKEN CALL Call 6,200 3.33 1 n/a n/a n/a
2024-02-02 2023-12-31 13F TIMKEN CALL Call 6,000 650.00 0 n/a n/a n/a
2023-11-01 2023-09-30 13F TIMKEN CALL Call 800 100.00 0 n/a n/a n/a
2023-08-04 2023-06-30 13F TIMKEN CALL Call 400 -90.70 0 n/a n/a n/a
2023-04-27 2023-03-31 13F TIMKEN CALL Call 4,300 53.57 0 n/a n/a n/a
2023-02-02 2022-12-31 13F TIMKEN CALL Call 2,800 3.70 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F TIMKEN CALL Call 2,700 440.00 159 511.54 n/a n/a n/a
2022-08-03 2022-06-30 13F TIMKEN CALL Call 500 -86.49 26 -88.39 n/a n/a n/a
2022-05-02 2022-03-31 13F TIMKEN CALL Call 3,700 640.00 224 558.82 n/a n/a n/a
2022-02-23 2021-12-31 13F/A TIMKEN CALL Call 500 -37.50 34 -46.87 n/a n/a n/a
2022-02-04 2021-12-31 13F TIMKEN CALL Call 800 64 n/a n/a n/a
2021-10-28 2021-09-30 13F TIMKEN CALL Call 800 0.00 64 0.00 n/a n/a n/a
2021-08-12 2021-06-30 13F TIMKEN CALL Call 800 1,500.00 64 -84.20 n/a n/a n/a
2021-04-26 2021-03-31 13F TIMKEN CALL Call 50 212.50 405 229.27 n/a n/a n/a
2021-02-02 2020-12-31 13F TIMKEN CALL Call 16 60.00 123 127.78 n/a n/a n/a
2020-10-14 2020-09-30 13F TIMKEN CALL Call 10 -76.74 54 -72.31 n/a n/a n/a
2020-07-13 2020-06-30 13F TIMKEN CALL Call 43 514.29 195 786.36 n/a n/a n/a
2020-04-29 2020-03-31 13F TIMKEN CALL Call 7 -22.22 22 -56.00 n/a n/a n/a
2020-02-05 2019-12-31 13F TIMKEN CALL Call 9 350.00 50 525.00 n/a n/a n/a
2019-10-15 2019-09-30 13F TIMKEN CALL Call 2 -94.87 8 -96.00 n/a n/a n/a
2019-07-26 2019-06-30 13F TIMKEN CALL Call 39 160.00 200 207.69 n/a n/a n/a
2019-04-18 2019-03-31 13F TIMKEN CALL Call 15 25.00 65 47.73 n/a n/a n/a
2019-01-16 2018-12-31 13F TIMKEN CALL Call 12 -61.29 44 -71.43 n/a n/a n/a
2018-10-23 2018-09-30 13F TIMKEN CALL Call 31 -58.11 154 -52.17 n/a n/a n/a
2018-07-30 2018-06-30 13F TIMKEN CALL Call 74 155.17 322 10,633.33 n/a n/a n/a
2018-04-26 2018-03-31 13F TIMKEN CALL Call 29 -69.79 3 -57.14 n/a n/a n/a
2018-01-10 2017-12-31 13F TIMKEN CALL Call 96 54.84 7 -46.15 n/a n/a n/a
2017-10-25 2017-09-30 13F TIMKEN CALL Call 62 244.44 13 225.00 n/a n/a n/a
2017-07-12 2017-06-30 13F TIMKEN CALL Call 18 -76.92 4 -73.33 n/a n/a n/a
2017-04-21 2017-03-31 13F TIMKEN CALL Call 78 65.96 15 275.00 n/a n/a n/a
2017-01-11 2016-12-31 13F TIMKEN CALL Call 47 27.03 4 -33.33 n/a n/a n/a
2016-10-07 2016-09-30 13F TIMKEN CALL Call 37 -49.32 6 200.00 n/a n/a n/a
2016-07-18 2016-06-30 13F TIMKEN CALL Call 73 247.62 2 0.00 n/a n/a n/a
2016-04-14 2016-03-31 13F TIMKEN CALL Call 21 10.53 2 0.00 n/a n/a n/a
2016-01-20 2015-12-31 13F TIMKEN CALL Call 19 375.00 0 -100.00 n/a n/a n/a
2015-10-08 2015-09-30 13F TIMKEN CALL Call 4 100.00 0 n/a n/a n/a
2015-07-08 2015-06-30 13F TIMKEN CALL Call 2 -97.14 0 -100.00 n/a n/a n/a
2015-04-21 2015-03-31 13F TIMKEN CALL Call 70 100.00 20 1,900.00 n/a n/a n/a
2015-03-04 2014-12-31 13F TIMKEN CALL Call 35 1 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 TIMKEN PUT Put 0 -100.00 0 n/a n/a n/a
2026-02-11 2025-12-31 13F TIMKEN PUT Put 200 -33.33 17 n/a n/a n/a
2025-11-12 2025-09-30 13F TIMKEN PUT Put 300 200.00 0 n/a n/a n/a
2025-08-05 2025-06-30 13F TIMKEN PUT Put 100 -75.00 0 n/a n/a n/a
2025-05-12 2025-03-31 13F TIMKEN PUT Put 400 -99.15 0 -100.00 n/a n/a n/a
2025-02-11 2024-12-31 13F TIMKEN PUT Put 47,000 -8.02 3 -25.00 n/a n/a n/a
2024-11-08 2024-09-30 13F TIMKEN PUT Put 51,100 12,675.00 4 n/a n/a n/a
2024-07-25 2024-06-30 13F TIMKEN PUT Put 400 -42.86 0 n/a n/a n/a
2024-04-25 2024-03-31 13F TIMKEN PUT Put 700 -36.36 0 n/a n/a n/a
2024-02-02 2023-12-31 13F TIMKEN PUT Put 1,100 0.00 0 n/a n/a n/a
2023-11-01 2023-09-30 13F TIMKEN PUT Put 1,100 450.00 0 n/a n/a n/a
2023-08-04 2023-06-30 13F TIMKEN PUT Put 200 -93.75 0 n/a n/a n/a
2023-04-27 2023-03-31 13F TIMKEN PUT Put 3,200 700.00 0 n/a n/a n/a
2023-02-02 2022-12-31 13F TIMKEN PUT Put 400 300.00 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F TIMKEN PUT Put 100 -75.00 5 -76.19 n/a n/a n/a
2022-08-03 2022-06-30 13F TIMKEN PUT Put 400 -71.43 21 -75.00 n/a n/a n/a
2022-05-02 2022-03-31 13F TIMKEN PUT Put 1,400 -68.18 84 -72.37 n/a n/a n/a
2022-02-23 2021-12-31 13F/A TIMKEN PUT Put 4,400 -20.00 304 -31.07 n/a n/a n/a
2022-02-04 2021-12-31 13F TIMKEN PUT Put 5,500 441 n/a n/a n/a
2021-10-28 2021-09-30 13F TIMKEN PUT Put 5,500 685.71 441 687.50 n/a n/a n/a
2021-08-12 2021-06-30 13F TIMKEN PUT Put 700 2,021.21 56 -79.03 n/a n/a n/a
2021-04-26 2021-03-31 13F TIMKEN PUT Put 33 230.00 267 246.75 n/a n/a n/a
2021-02-02 2020-12-31 13F TIMKEN PUT Put 10 -41.18 77 -16.30 n/a n/a n/a
2020-10-14 2020-09-30 13F TIMKEN PUT Put 17 -5.56 92 13.58 n/a n/a n/a
2020-07-13 2020-06-30 13F TIMKEN PUT Put 18 -61.70 81 -46.36 n/a n/a n/a
2020-04-29 2020-03-31 13F TIMKEN PUT Put 47 6.82 151 -38.87 n/a n/a n/a
2020-02-05 2019-12-31 13F TIMKEN PUT Put 44 -6.38 247 63.58 n/a n/a n/a
2019-10-15 2019-09-30 13F TIMKEN PUT Put 0 -100.00 0 -100.00 n/a n/a n/a
2019-07-26 2019-06-30 13F TIMKEN PUT Put 2 -99.11 10 -98.98 n/a n/a n/a
2019-04-18 2019-03-31 13F TIMKEN PUT Put 224 107.41 977 142.43 n/a n/a n/a
2019-01-16 2018-12-31 13F TIMKEN PUT Put 108 730.77 403 529.69 n/a n/a n/a
2018-10-23 2018-09-30 13F TIMKEN PUT Put 13 85.71 64 113.33 n/a n/a n/a
2018-07-30 2018-06-30 13F TIMKEN PUT Put 7 600.00 30 -53.12 n/a n/a n/a
2018-04-26 2018-03-31 13F TIMKEN PUT Put 1 -85.71 0 -100.00 n/a n/a n/a
2018-01-10 2017-12-31 13F TIMKEN PUT Put 0 -100.00 0 n/a n/a n/a
2017-10-25 2017-09-30 13F TIMKEN PUT Put 2 -33.33 0 n/a n/a n/a
2017-07-12 2017-06-30 13F TIMKEN PUT Put 3 -70.00 0 n/a n/a n/a
2017-04-21 2017-03-31 13F TIMKEN PUT Put 10 42.86 0 n/a n/a n/a
2017-01-11 2016-12-31 13F TIMKEN PUT Put 7 -36.36 0 n/a n/a n/a
2016-10-07 2016-09-30 13F TIMKEN PUT Put 11 -60.71 0 n/a n/a n/a
2016-07-18 2016-06-30 13F TIMKEN PUT Put 28 -17.65 0 -100.00 n/a n/a n/a
2016-04-14 2016-03-31 13F TIMKEN PUT Put 34 9.68 1 -87.50 n/a n/a n/a
2016-01-20 2015-12-31 13F TIMKEN PUT Put 31 -81.76 8 -87.69 n/a n/a n/a
2015-10-08 2015-09-30 13F TIMKEN PUT Put 170 8,400.00 65 3,150.00 n/a n/a n/a
2015-07-08 2015-06-30 13F TIMKEN PUT Put 2 -33.33 2 0.00 n/a n/a n/a
2015-04-21 2015-03-31 13F TIMKEN PUT Put 3 -57.14 2 0.00 n/a n/a n/a
2015-03-04 2014-12-31 13F TIMKEN PUT Put 7 2 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.