Tenet Healthcare Corporation
US ˙ NYSE ˙ US88033G4073

SecurityTHC / Tenet Healthcare Corporation
InstitutionParallel Advisors, LLC
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Parallel Advisors, LLC ownership in THC / Tenet Healthcare Corporation

On June 2, 2026 - Parallel Advisors, LLC filed a 13F-HR/A form disclosing ownership of 0 shares of Tenet Healthcare Corporation (US:THC) valued at $0 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 665 shares of Tenet Healthcare 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 (THC) 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.

THC / Tenet Healthcare 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 TENET HEALTHCARE CORP COM Stock 88033G407 0 -665 -100.00 0 -100.00
2026-02-11 2025-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 665 9 1.37 132 -0.75 0.0024
2025-11-13 2025-09-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 656 -127 -16.22 133 -2.92 0.0024
2025-07-08 2025-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 783 -77 -8.95 138 19.13 0.0028
2025-04-08 2025-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 860 281 48.53 116 57.53 0.0026
2025-02-10 2024-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 579 -95 -14.09 73 -34.82 0.0016
2024-11-13 2024-09-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 674 109 19.29 112 49.33 0.0026
2024-08-08 2024-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 565 29 5.41 75 33.93 0.0019
2024-05-06 2024-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 536 3 0.56 56 40.00 0.0015
2024-02-12 2023-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 533 32 6.39 40 21.21 0.0012
2024-05-20 2023-09-30 13F/A-1 TENET HEALTHCARE CORP COM Stock 88033G407 501 438 695.24 33 560.00 0.0011
2023-11-14 2023-09-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 501 438 33 0.0011
2024-05-20 2023-06-30 13F/A-1 TENET HEALTHCARE CORP COM Stock 88033G407 63 0 0.00 5 66.67 0.0002
2023-08-04 2023-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 63 0 5 0.0002
2024-05-20 2023-03-31 13F/A-1 TENET HEALTHCARE CORP COM Stock 88033G407 63 11 21.15 4 50.00 0.0001
2023-04-25 2023-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 63 11 4 0.0001
2023-02-06 2022-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 52 -8 -13.33 3 -33.33 0.0001
2022-11-10 2022-09-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 60 20 50.00 3 50.00 0.0001
2022-08-01 2022-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 40 -7 -14.89 2 -50.00 0.0001
2022-04-28 2022-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 47 8 20.51 4 33.33 0.0002
2022-01-20 2021-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 39 -107 -73.29 3 -70.00 0.0001
2021-11-02 2021-09-30 13F/A-1 TENET HEALTHCARE CORP COM Stock 88033G407 146 139 1,985.71 10 0.0004
2021-08-06 2021-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 7 7 0 0.0000
2021-02-02 2020-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 0 -510 -100.00 0 -100.00
2020-10-27 2020-09-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 510 -511 -50.05 13 -27.78 0.0008
2020-07-16 2020-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 1,021 -299 -22.65 18 -5.26 0.0012
2020-04-27 2020-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 1,320 793 150.47 19 -5.00 0.0015
2020-01-30 2019-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 527 55 11.65 20 100.00 0.0015
2019-11-01 2019-09-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 472 329 230.07 10 233.33 0.0009
2019-08-05 2019-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 143 -157 -52.33 3 -66.67 0.0003
2019-05-01 2019-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 300 157 109.79 9 350.00 0.0010
2019-02-05 2018-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 143 0 0.00 2 -50.00 0.0003
2018-11-01 2018-09-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 143 0 0.00 4 0.00 0.0005
2018-07-30 2018-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 143 0 0.00 4 33.33 0.0006
2018-05-08 2018-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 143 -394 -73.37 3 -57.14 0.0005
2017-11-15 2017-09-30 13F/A-1 TENET HEALTHCARE CORP COM Stock 88033G407 537 105 24.31 7 0.00 0.0012
2017-08-07 2017-06-30 13F TENET HEALTHCARE CORP COM Stock 88033G407 432 116 36.71 7 40.00 0.0013
2017-05-12 2017-03-31 13F/A-1 TENET HEALTHCARE CORP COM Stock 88033G407 316 0 0.00 5 0.00 0.0010
2017-05-12 2017-03-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 316 5
2017-02-14 2016-12-31 13F TENET HEALTHCARE CORP COM Stock 88033G407 316 316 5 0.0012
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 TENET HEALTHCARE CORP COM Stock Call 0 -100.00 0 n/a n/a n/a
2021-10-22 2021-09-30 13F TENET HEALTHCARE CORP COM Stock Call 7 0 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.