Oshkosh Corporation
US ˙ NYSE ˙ US6882392011

SecurityOSK / Oshkosh Corporation
InstitutionParallel Advisors, LLC
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Parallel Advisors, LLC ownership in OSK / Oshkosh Corporation

On June 2, 2026 - Parallel Advisors, LLC filed a 13F-HR/A form disclosing ownership of 0 shares of Oshkosh Corporation (US:OSK) valued at $0 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 182 shares of Oshkosh Corporation. This represents a change in shares of -100.00% during the quarter. The current value of the position is $0 USD.

Parallel Advisors, LLC has a history of taking positions in derivatives of the underlying security (OSK) in the form of stock options. The firm currently holds call 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.

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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.

OSK / Oshkosh Corporation 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)
2026-06-02 2026-03-31 13F/A-1 OSHKOSH TRUCK Stock 688239201 0 -182 -100.00 0 -100.00
2026-02-11 2025-12-31 13F OSHKOSH TRUCK Stock 688239201 182 11 6.43 23 0.00 0.0004
2025-11-13 2025-09-30 13F OSHKOSH TRUCK Stock 688239201 171 -48 -21.92 22 -8.33 0.0004
2025-07-08 2025-06-30 13F OSHKOSH TRUCK Stock 688239201 219 -47 -17.67 25 -4.00 0.0005
2025-04-08 2025-03-31 13F OSHKOSH TRUCK Stock 688239201 266 127 91.37 25 92.31 0.0006
2025-02-10 2024-12-31 13F OSHKOSH TRUCK Stock 688239201 139 -10 -6.71 13 -13.33 0.0003
2024-11-13 2024-09-30 13F OSHKOSH TRUCK Stock 688239201 149 -41 -21.58 15 -25.00 0.0004
2024-08-08 2024-06-30 13F OSHKOSH TRUCK Stock 688239201 190 -8 -4.04 21 -16.67 0.0005
2024-05-06 2024-03-31 13F OSHKOSH TRUCK Stock 688239201 198 66 50.00 25 71.43 0.0007
2024-02-12 2023-12-31 13F OSHKOSH TRUCK Stock 688239201 132 -106 -44.54 14 -36.36 0.0004
2024-05-20 2023-09-30 13F/A-1 OSHKOSH TRUCK Stock 688239201 238 3 1.28 23 10.00 0.0008
2023-11-14 2023-09-30 13F OSHKOSH TRUCK Stock 688239201 238 3 23 0.0008
2024-05-20 2023-06-30 13F/A-1 OSHKOSH TRUCK Stock 688239201 235 129 121.70 20 150.00 0.0007
2023-08-04 2023-06-30 13F OSHKOSH TRUCK Stock 688239201 235 129 20 0.0007
2024-05-20 2023-03-31 13F/A-1 OSHKOSH TRUCK Stock 688239201 106 -2 -1.85 9 -11.11 0.0003
2023-04-25 2023-03-31 13F OSHKOSH TRUCK Stock 688239201 106 -2 9 0.0003
2023-02-06 2022-12-31 13F OSHKOSH TRUCK Stock 688239201 108 -454 -80.78 10 -77.50 0.0004
2022-11-10 2022-09-30 13F OSHKOSH TRUCK Stock 688239201 562 -29 -4.91 40 -18.37 0.0018
2022-08-01 2022-06-30 13F OSHKOSH TRUCK Stock 688239201 591 17 2.96 49 -19.67 0.0022
2022-04-28 2022-03-31 13F OSHKOSH TRUCK Stock 688239201 574 -86 -13.03 61 -17.57 0.0024
2022-01-20 2021-12-31 13F OSHKOSH TRUCK Stock 688239201 660 -112 -14.51 74 -6.33 0.0027
2021-11-02 2021-09-30 13F/A-1 OSHKOSH TRUCK Stock 688239201 772 5 0.65 79 -17.71 0.0032
2021-08-06 2021-06-30 13F OSHKOSH TRUCK Stock 688239201 767 -271 -26.11 96 -21.95 0.0041
2021-04-23 2021-03-31 13F OSHKOSH TRUCK Stock 688239201 1,038 17 1.67 123 39.77 0.0058
2021-02-02 2020-12-31 13F OSHKOSH TRUCK Stock 688239201 1,021 155 17.90 88 37.50 0.0048
2020-10-27 2020-09-30 13F OSHKOSH TRUCK Stock 688239201 866 766 766.00 64 814.29 0.0040
2020-07-16 2020-06-30 13F OSHKOSH TRUCK Stock 688239201 100 -62 -38.27 7 -30.00 0.0005
2020-04-27 2020-03-31 13F OSHKOSH TRUCK Stock 688239201 162 -9 -5.26 10 -37.50 0.0008
2020-01-30 2019-12-31 13F OSHKOSH TRUCK Stock 688239201 171 0 0.00 16 23.08 0.0012
2019-11-01 2019-09-30 13F OSHKOSH TRUCK Stock 688239201 171 -20 -10.47 13 -18.75 0.0011
2019-08-05 2019-06-30 13F OSHKOSH TRUCK Stock 688239201 191 0 0.00 16 14.29 0.0016
2019-05-01 2019-03-31 13F OSHKOSH TRUCK Stock 688239201 191 -13 -6.37 14 16.67 0.0016
2019-02-05 2018-12-31 13F OSHKOSH TRUCK Stock 688239201 204 38 22.89 12 0.00 0.0017
2018-11-01 2018-09-30 13F OSHKOSH TRUCK Stock 688239201 166 125 304.88 12 500.00 0.0015
2018-07-30 2018-06-30 13F OSHKOSH TRUCK Stock 688239201 41 0 0.00 2 -33.33 0.0003
2018-05-08 2018-03-31 13F OSHKOSH TRUCK Stock 688239201 41 0 0.00 3 -25.00 0.0005
2018-02-13 2017-12-31 13F OSHKOSH CORP COM Stock 688239201 41 41 4 0.0007
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
(%)
2022-01-19 2021-12-31 13F OSHKOSH TRUCK Stock Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-10-22 2021-09-30 13F OSHKOSH TRUCK Stock Call 767 96 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.