THOR Industries, Inc.
US ˙ NYSE ˙ US8851601018

SecurityTHO / THOR Industries, Inc.
InstitutionSei Investments Co
Latest Disclosed Ownership45,795 shares
Latest Disclosed Value $ 4,701,806
Sei Investments Co ownership in THO / THOR Industries, Inc.

On February 13, 2026 - Sei Investments Co filed a 13F-HR form disclosing ownership of 45,795 shares of THOR Industries, Inc. (US:THO) valued at $4,701,773 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 45,804 shares of THOR Industries, Inc.. This represents a change in shares of -0.02% during the quarter. The current value of the position is $3,427,756 USD.

Sei Investments Co has a history of taking positions in derivatives of the underlying security (THO) in the form of stock options.

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.

THO / THOR Industries, 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)
2026-02-13 2025-12-31 13F THOR INDS COM 885160101 45,795 -9 -0.02 4,702 -1.01 0.0046
2025-11-13 2025-09-30 13F THOR INDS COM 885160101 45,804 -2,526 -5.23 4,749 10.65 0.0051
2025-08-14 2025-06-30 13F THOR INDS COM 885160101 48,330 3,502 7.81 4,292 26.31 0.0050
2025-05-14 2025-03-31 13F/A-1 THOR INDS COM 885160101 44,828 3,696 8.99 3,398 -13.67 0.0044
2025-05-13 2025-03-31 13F THOR INDS COM 885160101 42,053 921 3,904 0.0042
2025-02-11 2024-12-31 13F THOR INDS COM 885160101 41,132 -25,956 -38.69 3,937 -46.61 0.0051
2024-11-12 2024-09-30 13F THOR INDS COM 885160101 67,088 1,014 1.53 7,373 19.40 0.0096
2024-08-13 2024-06-30 13F THOR INDS COM 885160101 66,074 -955 -1.42 6,174 -21.49 0.0087
2024-05-07 2024-03-31 13F THOR INDS COM 885160101 67,029 3,202 5.02 7,865 4.21 0.0115
2024-02-14 2023-12-31 13F THOR INDS COM 885160101 63,827 -26,288 -29.17 7,547 -11.98 0.0121
2023-11-14 2023-09-30 13F THOR INDS COM 885160101 90,115 22,899 34.07 8,574 23.25 0.0154
2023-08-11 2023-06-30 13F THOR INDS COM 885160101 67,216 -9,511 -12.40 6,957 13.81 0.0121
2023-05-12 2023-03-31 13F THOR INDS COM 885160101 76,727 -1,563 -2.00 6,112 3.44 0.0114
2023-02-10 2022-12-31 13F THOR INDS COM 885160101 78,290 -10,149 -11.48 5,910 -4.54 0.0131
2022-11-14 2022-09-30 13F THOR INDS COM 885160101 88,439 -10,090 -10.24 6,190 -15.75 0.0138
2022-08-15 2022-06-30 13F THOR INDS COM 885160101 98,529 22,476 29.55 7,347 23.29 0.0159
2022-05-13 2022-03-31 13F THOR INDS COM 885160101 76,053 18,656 32.50 5,959 -0.07 0.0120
2022-02-14 2021-12-31 13F THOR INDS COM 885160101 57,397 -108 -0.19 5,963 -15.57 0.0112
2021-11-12 2021-09-30 13F THOR INDS COM 885160101 57,505 21,432 59.41 7,063 73.28 0.0148
2021-08-06 2021-06-30 13F THOR INDS COM 885160101 36,073 -822 -2.23 4,076 -15.85 0.0090
2021-05-12 2021-03-31 13F THOR INDS COM 885160101 36,895 1,440 4.06 4,844 48.63 0.0122
2021-02-08 2020-12-31 13F THOR INDS COM 885160101 35,455 -2,048 -5.46 3,259 -8.43 0.0084
2020-12-04 2020-09-30 13F/A-1 THOR INDS COM 885160101 37,503 -16,242 -30.22 3,559 -37.95 0.0103
2020-11-06 2020-09-30 13F THOR INDS COM 885160101 37,520 -16,225 3,561 8,574.0963
2020-08-17 2020-06-30 13F/A-1 THOR INDS COM 885160101 53,745 -26,775 -33.25 5,736 69.96 0.0178
2020-08-11 2020-06-30 13F THOR INDS COM 885160101 76,084 -4,436 5,928 16,080.0155
2020-05-14 2020-03-31 13F THOR INDS COM 885160101 80,520 11,320 16.36 3,375 -34.34 0.0124
2020-02-06 2019-12-31 13F THOR INDS COM 885160101 69,200 2,196 3.28 5,140 35.44 0.0153
2019-11-12 2019-09-30 13F THOR INDS COM 885160101 67,004 6,757 11.22 3,795 7.78 0.0097
2019-08-14 2019-06-30 13F THOR INDS COM 885160101 60,247 -36,953 -38.02 3,521 -41.92 0.0115
2019-05-15 2019-03-31 13F THOR INDS COM 885160101 97,200 24,229 33.20 6,062 -0.59 0.0204
2019-02-13 2018-12-31 13F THOR INDS COM 885160101 72,971 -189 -0.26 6,098 -0.41 0.0217
2018-11-08 2018-09-30 13F THOR INDS COM 885160101 73,160 -14,662 -16.70 6,123 -28.41 0.0222
2018-08-03 2018-06-30 13F THOR INDS COM 885160101 87,822 20,669 30.78 8,553 10.58 0.0291
2018-05-11 2018-03-31 13F THOR INDS COM 885160101 67,153 -21,897 -24.59 7,735 -42.37 0.0296
2018-02-08 2017-12-31 13F THOR INDS COM 885160101 89,050 20,773 30.42 13,422 56.12 0.0466
2017-11-06 2017-09-30 13F THOR INDS COM 885160101 68,277 -17,051 -19.98 8,597 -3.61 0.0306
2017-07-31 2017-06-30 13F THOR INDS COM 885160101 85,328 6,786 8.64 8,919 18.13 0.0356
2017-05-05 2017-03-31 13F THOR INDS COM 885160101 78,542 -14,214 -15.32 7,550 -18.64 0.0331
2017-02-02 2016-12-31 13F THOR INDS COM 885160101 92,756 -11,750 -11.24 9,280 4.84 0.0449
2016-11-04 2016-09-30 13F THOR INDS COM 885160101 104,506 -12,661 -10.81 8,852 16.70 0.0450
2016-08-11 2016-06-30 13F THOR INDS COM 885160101 117,167 -2,399 -2.01 7,585 -0.51 0.0455
2016-05-10 2016-03-31 13F/A-1 THOR INDS COM 885160101 119,566 -8,182 -6.40 7,624 6.27 0.0474
2016-02-03 2015-12-31 13F THOR INDS COM 885160101 127,748 123,790 3,127.59 7,174 3,399.51 0.0437
2015-11-02 2015-09-30 13F/A-1 THOR INDS COM 885160101 3,958 1,113 39.12 205 28.13 0.0019
2015-10-30 2015-09-30 13F THOR INDS COM 885160101 3,958 206
2015-08-07 2015-06-30 13F/A-1 THOR INDS COM 885160101 2,845 -3,584 -55.75 160 -60.49 0.0014
2015-08-04 2015-06-30 13F THOR INDS COM 885160101 2,845 -3,584 160 0.0014
2015-05-14 2015-03-31 13F/A-1 THOR INDS COM 885160101 6,429 6,090 1,796.46 405 2,150.00 0.0035
2015-05-01 2015-03-31 13F THESTREET PUT 885160101 6,429 6,429 405 0.0035
2015-02-10 2014-12-31 13F THOR INDS COM 885160101 339 339 18 0.0002
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
(%)
2015-05-01 2015-03-31 13F THESTREET PUT 6,429 405 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.