Avis Budget Group, Inc.
US ˙ NasdaqGS ˙ US0537741052

SecurityCAR / Avis Budget Group, Inc.
InstitutionSimplex Trading, Llc
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Simplex Trading, Llc ownership in CAR / Avis Budget Group, Inc.

On May 14, 2026 - Simplex Trading, Llc filed a 13F-HR form disclosing ownership of 0 shares of Avis Budget Group, Inc. (US:CAR) valued at $0 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 93,201 shares of Avis Budget Group, Inc.. This represents a change in shares of -100.00% during the quarter. The current value of the position is $0 USD.

Simplex Trading, Llc has a history of taking positions in derivatives of the underlying security (CAR) in the form of stock options. The firm currently holds call options representing 28,800 of underlying shares valued at $4,200,480 USD and put options representing 18,300 of underlying shares valued at $2,669,055 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.

CAR / Avis Budget Group, 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 AVIS BUDGET GROUP COM 053774105 0 -93,201 -100.00 0 -100.00
2026-02-11 2025-12-31 13F AVIS BUDGET GROUP COM 053774105 93,201 93,201 11,960 0.0067
2025-05-12 2025-03-31 13F AVIS BUDGET GROUP COM 053774105 0 -14,034 -100.00 0 -100.00
2025-02-11 2024-12-31 13F AVIS BUDGET GROUP COM 053774105 14,034 27 0.19 1 0.00 0.0006
2024-11-08 2024-09-30 13F AVIS BUDGET GROUP COM 053774105 14,007 -27,960 -66.62 1 -75.00 0.0007
2024-07-25 2024-06-30 13F AVIS BUDGET GROUP COM 053774105 41,967 8,408 25.05 4 0.00 0.0027
2024-04-25 2024-03-31 13F AVIS BUDGET GROUP COM 053774105 33,559 33,559 4 0.0024
2024-02-02 2023-12-31 13F AVIS BUDGET GROUP COM 053774105 0 -3,378 -100.00 0 0.0000
2023-11-01 2023-09-30 13F AVIS BUDGET GROUP COM 053774105 3,378 -11,564 -77.39 1 -100.00 0.0005
2023-08-04 2023-06-30 13F AVIS BUDGET GROUP COM 053774105 14,942 12,960 653.88 3 0.0028
2023-04-27 2023-03-31 13F AVIS BUDGET GROUP COM 053774105 1,982 1,982 0 0.0003
2022-05-02 2022-03-31 13F AVIS BUDGET GROUP COM 053774105 0 -4,017 -100.00 0 -100.00
2022-02-23 2021-12-31 13F/A-1 AVIS BUDGET GROUP COM 053774105 4,017 4,017 833 0.0008
2021-04-26 2021-03-31 13F AVIS BUDGET GROUP COM 053774105 0 -60,525 -100.00 0 -100.00
2021-02-02 2020-12-31 13F AVIS BUDGET GROUP COM 053774105 60,525 48,056 385.40 2,257 588.11 0.0029
2020-10-14 2020-09-30 13F AVIS BUDGET GROUP COM 053774105 12,469 5,469 78.13 328 105.00 0.0004
2020-07-13 2020-06-30 13F AVIS BUDGET GROUP COM 053774105 7,000 -10,038 -58.92 160 -32.20 0.0003
2020-04-29 2020-03-31 13F AVIS BUDGET GROUP COM 053774105 17,038 -8,084 -32.18 236 -70.83 0.0004
2020-02-05 2019-12-31 13F AVIS BUDGET GROUP COM 053774105 25,122 7,047 38.99 809 58.63 0.0018
2019-10-15 2019-09-30 13F AVIS BUDGET GROUP COM 053774105 18,075 -1,646 -8.35 510 -26.41 0.0015
2019-07-26 2019-06-30 13F AVIS BUDGET GROUP COM 053774105 19,721 -11,711 -37.26 693 -36.71 0.0019
2019-04-18 2019-03-31 13F AVIS BUDGET GROUP COM 053774105 31,432 12,372 64.91 1,095 155.84 0.0030
2019-01-16 2018-12-31 13F AVIS BUDGET GROUP COM 053774105 19,060 -13,446 -41.36 428 -59.00 0.0013
2018-10-23 2018-09-30 13F AVIS BUDGET GROUP COM 053774105 32,506 26,268 421.10 1,044 416.83 0.0034
2018-07-30 2018-06-30 13F AVIS BUDGET GROUP COM 053774105 6,238 6,238 -80.81 202 -80.65 0.0008
2017-10-25 2017-09-30 13F AVIS BUDGET GROUP COM 053774105 0 -100 -100.00 0 -100.00
2017-07-12 2017-06-30 13F AVIS BUDGET GROUP COM 053774105 100 100 2 0.0001
2016-10-07 2016-09-30 13F AVIS BUDGET GROUP COM 053774105 0 -13,594 -100.00 0 -100.00
2016-07-18 2016-06-30 13F AVIS BUDGET GROUP COM 053774105 13,594 4,879 55.98 438 84.03 0.0293
2016-04-14 2016-03-31 13F AVIS BUDGET GROUP COM 053774105 8,715 -7,175 -45.15 238 -58.68 0.0190
2016-01-20 2015-12-31 13F AVIS BUDGET GROUP COM 053774105 15,890 11,944 302.69 576 234.88 0.0451
2015-10-08 2015-09-30 13F AVIS BUDGET GROUP COM 053774105 3,946 3,946 -75.17 172 -70.14 0.0126
2015-04-21 2015-03-31 13F AVIS BUDGET GROUP COM 053774105 0 -217 -100.00 0 -100.00
2015-03-04 2014-12-31 13F AVIS BUDGET GROUP COM 053774105 217 217 14 0.0017
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 AVIS BUDGET GROUP CALL Call 28,800 -84.97 4,200 -82.92 n/a n/a n/a
2026-02-11 2025-12-31 13F AVIS BUDGET GROUP CALL Call 191,600 -13.73 24,586 70,145.71 n/a n/a n/a
2025-11-12 2025-09-30 13F AVIS BUDGET GROUP CALL Call 222,100 -4.02 36 -10.26 n/a n/a n/a
2025-08-05 2025-06-30 13F AVIS BUDGET GROUP CALL Call 231,400 37.09 39 225.00 n/a n/a n/a
2025-05-12 2025-03-31 13F AVIS BUDGET GROUP CALL Call 168,800 128.73 13 140.00 n/a n/a n/a
2025-02-11 2024-12-31 13F AVIS BUDGET GROUP CALL Call 73,800 43.86 6 25.00 n/a n/a n/a
2024-11-08 2024-09-30 13F AVIS BUDGET GROUP CALL Call 51,300 -20.83 4 -33.33 n/a n/a n/a
2024-07-25 2024-06-30 13F AVIS BUDGET GROUP CALL Call 64,800 13.09 7 -14.29 n/a n/a n/a
2024-04-25 2024-03-31 13F AVIS BUDGET GROUP CALL Call 57,300 -45.11 7 -61.11 n/a n/a n/a
2024-02-02 2023-12-31 13F AVIS BUDGET GROUP CALL Call 104,400 148.57 19 157.14 n/a n/a n/a
2023-11-01 2023-09-30 13F AVIS BUDGET GROUP CALL Call 42,000 113.20 8 75.00 n/a n/a n/a
2023-08-04 2023-06-30 13F AVIS BUDGET GROUP CALL Call 19,700 -60.91 5 -55.56 n/a n/a n/a
2023-04-27 2023-03-31 13F AVIS BUDGET GROUP CALL Call 50,400 4.78 10 28.57 n/a n/a n/a
2023-02-02 2022-12-31 13F AVIS BUDGET GROUP CALL Call 48,100 87.16 8 -99.82 n/a n/a n/a
2022-11-04 2022-09-30 13F AVIS BUDGET GROUP CALL Call 25,700 18.43 3,815 19.55 n/a n/a n/a
2022-08-03 2022-06-30 13F AVIS BUDGET GROUP CALL Call 21,700 -14.90 3,191 -52.47 n/a n/a n/a
2022-05-02 2022-03-31 13F AVIS BUDGET GROUP CALL Call 25,500 -79.63 6,714 -74.14 n/a n/a n/a
2022-02-23 2021-12-31 13F/A AVIS BUDGET GROUP CALL Call 125,200 5.12 25,962 166.25 n/a n/a n/a
2022-02-04 2021-12-31 13F AVIS BUDGET GROUP CALL Call 119,100 9,751 n/a n/a n/a
2021-10-28 2021-09-30 13F AVIS BUDGET GROUP CALL Call 119,100 -1.41 9,751 3.63 n/a n/a n/a
2021-08-12 2021-06-30 13F AVIS BUDGET GROUP CALL Call 120,800 11,848.57 9,409 n/a n/a n/a
2021-04-26 2021-03-31 13F AVIS BUDGET GROUP CALL Call 1,011 -27.37 0 -100.00 n/a n/a n/a
2021-02-02 2020-12-31 13F AVIS BUDGET GROUP CALL Call 1,392 -37.61 5,192 -11.57 n/a n/a n/a
2020-10-14 2020-09-30 13F AVIS BUDGET GROUP CALL Call 2,231 -19.72 5,871 -7.70 n/a n/a n/a
2020-07-13 2020-06-30 13F AVIS BUDGET GROUP CALL Call 2,779 160.45 6,361 328.93 n/a n/a n/a
2020-04-29 2020-03-31 13F AVIS BUDGET GROUP CALL Call 1,067 662.14 1,483 228.82 n/a n/a n/a
2020-02-05 2019-12-31 13F AVIS BUDGET GROUP CALL Call 140 16.67 451 33.04 n/a n/a n/a
2019-10-15 2019-09-30 13F AVIS BUDGET GROUP CALL Call 120 -42.03 339 -53.37 n/a n/a n/a
2019-07-26 2019-06-30 13F AVIS BUDGET GROUP CALL Call 207 127.47 727 129.34 n/a n/a n/a
2019-04-18 2019-03-31 13F AVIS BUDGET GROUP CALL Call 91 -81.69 317 -71.62 n/a n/a n/a
2019-01-16 2018-12-31 13F AVIS BUDGET GROUP CALL Call 497 47.92 1,117 3.52 n/a n/a n/a
2018-10-23 2018-09-30 13F AVIS BUDGET GROUP CALL Call 336 -33.99 1,079 -34.76 n/a n/a n/a
2018-07-30 2018-06-30 13F AVIS BUDGET GROUP CALL Call 509 -33.98 1,654 93.00 n/a n/a n/a
2018-04-26 2018-03-31 13F AVIS BUDGET GROUP CALL Call 771 -27.26 857 -26.75 n/a n/a n/a
2018-01-10 2017-12-31 13F AVIS BUDGET GROUP CALL Call 1,060 42.47 1,170 193.23 n/a n/a n/a
2017-10-25 2017-09-30 13F AVIS BUDGET GROUP CALL Call 744 1.64 399 38.54 n/a n/a n/a
2017-07-12 2017-06-30 13F AVIS BUDGET GROUP CALL Call 732 189.33 288 2,115.38 n/a n/a n/a
2017-04-21 2017-03-31 13F AVIS BUDGET GROUP CALL Call 253 -51.63 13 -74.00 n/a n/a n/a
2017-01-11 2016-12-31 13F AVIS BUDGET GROUP CALL Call 523 3.56 50 8.70 n/a n/a n/a
2016-10-07 2016-09-30 13F AVIS BUDGET GROUP CALL Call 505 125.45 46 35.29 n/a n/a n/a
2016-07-18 2016-06-30 13F AVIS BUDGET GROUP CALL Call 224 -41.21 34 -50.72 n/a n/a n/a
2016-04-14 2016-03-31 13F AVIS BUDGET GROUP CALL Call 381 159.18 69 331.25 n/a n/a n/a
2016-01-20 2015-12-31 13F AVIS BUDGET GROUP CALL Call 147 -3.29 16 -20.00 n/a n/a n/a
2015-10-08 2015-09-30 13F AVIS BUDGET GROUP CALL Call 152 102.67 20 122.22 n/a n/a n/a
2015-07-08 2015-06-30 13F AVIS BUDGET GROUP CALL Call 75 -19.35 9 -52.63 n/a n/a n/a
2015-04-21 2015-03-31 13F AVIS BUDGET GROUP CALL Call 93 -79.10 19 -96.00 n/a n/a n/a
2015-03-04 2014-12-31 13F AVIS BUDGET GROUP CALL Call 445 475 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 AVIS BUDGET GROUP PUT Put 18,300 -94.21 2,669 -93.42 n/a n/a n/a
2026-02-11 2025-12-31 13F AVIS BUDGET GROUP PUT Put 316,000 13.22 40,549 92,056.82 n/a n/a n/a
2025-11-12 2025-09-30 13F AVIS BUDGET GROUP PUT Put 279,100 -37.45 45 -41.33 n/a n/a n/a
2025-08-05 2025-06-30 13F AVIS BUDGET GROUP PUT Put 446,200 154.97 75 476.92 n/a n/a n/a
2025-05-12 2025-03-31 13F AVIS BUDGET GROUP PUT Put 175,000 73.78 13 62.50 n/a n/a n/a
2025-02-11 2024-12-31 13F AVIS BUDGET GROUP PUT Put 100,700 34.63 8 33.33 n/a n/a n/a
2024-11-08 2024-09-30 13F AVIS BUDGET GROUP PUT Put 74,800 -20.68 7 -33.33 n/a n/a n/a
2024-07-25 2024-06-30 13F AVIS BUDGET GROUP PUT Put 94,300 -6.91 10 -25.00 n/a n/a n/a
2024-04-25 2024-03-31 13F AVIS BUDGET GROUP PUT Put 101,300 -40.31 12 -60.00 n/a n/a n/a
2024-02-02 2023-12-31 13F AVIS BUDGET GROUP PUT Put 169,700 37.52 30 36.36 n/a n/a n/a
2023-11-01 2023-09-30 13F AVIS BUDGET GROUP PUT Put 123,400 -13.52 22 -31.25 n/a n/a n/a
2023-08-04 2023-06-30 13F AVIS BUDGET GROUP PUT Put 142,700 -10.53 33 3.23 n/a n/a n/a
2023-04-27 2023-03-31 13F AVIS BUDGET GROUP PUT Put 159,500 183.30 31 244.44 n/a n/a n/a
2023-02-02 2022-12-31 13F AVIS BUDGET GROUP PUT Put 56,300 1.08 9 -99.89 n/a n/a n/a
2022-11-04 2022-09-30 13F AVIS BUDGET GROUP PUT Put 55,700 -7.01 8,269 -6.14 n/a n/a n/a
2022-08-03 2022-06-30 13F AVIS BUDGET GROUP PUT Put 59,900 108.71 8,810 16.60 n/a n/a n/a
2022-05-02 2022-03-31 13F AVIS BUDGET GROUP PUT Put 28,700 -76.08 7,556 -69.64 n/a n/a n/a
2022-02-23 2021-12-31 13F/A AVIS BUDGET GROUP PUT Put 120,000 15.05 24,884 191.38 n/a n/a n/a
2022-02-04 2021-12-31 13F AVIS BUDGET GROUP PUT Put 104,300 8,540 n/a n/a n/a
2021-10-28 2021-09-30 13F AVIS BUDGET GROUP PUT Put 104,300 0.87 8,540 6.05 n/a n/a n/a
2021-08-12 2021-06-30 13F AVIS BUDGET GROUP PUT Put 103,400 10,559.79 8,053 n/a n/a n/a
2021-04-26 2021-03-31 13F AVIS BUDGET GROUP PUT Put 970 -70.42 0 -100.00 n/a n/a n/a
2021-02-02 2020-12-31 13F AVIS BUDGET GROUP PUT Put 3,279 -8.82 12,230 29.23 n/a n/a n/a
2020-10-14 2020-09-30 13F AVIS BUDGET GROUP PUT Put 3,596 2.28 9,464 17.59 n/a n/a n/a
2020-07-13 2020-06-30 13F AVIS BUDGET GROUP PUT Put 3,516 22.94 8,048 102.47 n/a n/a n/a
2020-04-29 2020-03-31 13F AVIS BUDGET GROUP PUT Put 2,860 151.32 3,975 8.37 n/a n/a n/a
2020-02-05 2019-12-31 13F AVIS BUDGET GROUP PUT Put 1,138 96.55 3,668 124.21 n/a n/a n/a
2019-10-15 2019-09-30 13F AVIS BUDGET GROUP PUT Put 579 -52.31 1,636 -61.67 n/a n/a n/a
2019-07-26 2019-06-30 13F AVIS BUDGET GROUP PUT Put 1,214 -39.15 4,268 -38.63 n/a n/a n/a
2019-04-18 2019-03-31 13F AVIS BUDGET GROUP PUT Put 1,995 96.75 6,954 205.13 n/a n/a n/a
2019-01-16 2018-12-31 13F AVIS BUDGET GROUP PUT Put 1,014 63.02 2,279 14.01 n/a n/a n/a
2018-10-23 2018-09-30 13F AVIS BUDGET GROUP PUT Put 622 61.14 1,999 59.41 n/a n/a n/a
2018-07-30 2018-06-30 13F AVIS BUDGET GROUP PUT Put 386 12.21 1,254 2,311.54 n/a n/a n/a
2018-04-26 2018-03-31 13F AVIS BUDGET GROUP PUT Put 344 -58.10 52 33.33 n/a n/a n/a
2018-01-10 2017-12-31 13F AVIS BUDGET GROUP PUT Put 821 2.24 39 -51.25 n/a n/a n/a
2017-10-25 2017-09-30 13F AVIS BUDGET GROUP PUT Put 803 -45.52 80 -78.44 n/a n/a n/a
2017-07-12 2017-06-30 13F AVIS BUDGET GROUP PUT Put 1,474 221.13 371 108.43 n/a n/a n/a
2017-04-21 2017-03-31 13F AVIS BUDGET GROUP PUT Put 459 -9.65 178 43.55 n/a n/a n/a
2017-01-11 2016-12-31 13F AVIS BUDGET GROUP PUT Put 508 32.29 124 74.65 n/a n/a n/a
2016-10-07 2016-09-30 13F AVIS BUDGET GROUP PUT Put 384 76.96 71 -66.51 n/a n/a n/a
2016-07-18 2016-06-30 13F AVIS BUDGET GROUP PUT Put 217 -47.07 212 -49.04 n/a n/a n/a
2016-04-14 2016-03-31 13F AVIS BUDGET GROUP PUT Put 410 8.75 416 5.05 n/a n/a n/a
2016-01-20 2015-12-31 13F AVIS BUDGET GROUP PUT Put 377 171.22 396 69.23 n/a n/a n/a
2015-10-08 2015-09-30 13F AVIS BUDGET GROUP PUT Put 139 13.93 234 44.44 n/a n/a n/a
2015-07-08 2015-06-30 13F AVIS BUDGET GROUP PUT Put 122 -35.11 162 76.09 n/a n/a n/a
2015-04-21 2015-03-31 13F AVIS BUDGET GROUP PUT Put 188 -14.16 92 178.79 n/a n/a n/a
2015-03-04 2014-12-31 13F AVIS BUDGET GROUP PUT Put 219 33 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.