Vanguard STAR Funds - Vanguard Total International Stock ETF

SecurityVXUS / Vanguard STAR Funds - Vanguard Total International Stock ETF
InstitutionCitadel Advisors Llc
ManagerKen Griffin
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Citadel Advisors Llc ownership in VXUS / Vanguard STAR Funds - Vanguard Total International Stock ETF

On February 17, 2026 - Citadel Advisors Llc filed a 13F-HR form disclosing ownership of 0 shares of Vanguard STAR Funds - Vanguard Total International Stock ETF (US:VXUS) valued at $0 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 14, 2025 disclosing 9,916 shares of Vanguard STAR Funds - Vanguard Total International Stock ETF. The current value of the position is $0 USD.

Citadel Advisors Llc has a history of taking positions in derivatives of the underlying security (VXUS) in the form of stock options. The firm currently holds call options representing 114,500 of underlying shares valued at $8,829,095 USD and put options representing 47,600 of underlying shares valued at $3,670,436 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.

VXUS / Vanguard STAR Funds - Vanguard Total International Stock ETF 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)
2026-02-17 2025-12-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 0 -100.00 0
2025-11-14 2025-09-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 9,916 1,459 17.25 728 24.66 0.0001
2025-08-14 2025-06-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 8,457 8,457 584 0.0001
2025-05-15 2025-03-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 0 -49,362 -100.00 0 -100.00
2025-02-14 2024-12-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 49,362 48,700 7,356.50 2,909 6,823.81 0.0005
2024-11-14 2024-09-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 662 -26,205 -97.54 43 -97.41 0.0000
2024-08-14 2024-06-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 26,867 -148,065 -84.64 1,620 -84.64 0.0003
2024-05-15 2024-03-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 174,932 173,178 9,873.32 10,548 10,343.56 0.0020
2024-02-14 2023-12-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 1,754 -62,054 -97.25 102 -97.04 0.0000
2023-11-14 2023-09-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 63,808 -1,298 -1.99 3,415 -6.46 0.0007
2023-08-14 2023-06-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 65,106 19,170 41.73 3,651 43.97 0.0008
2023-05-15 2023-03-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 45,936 -417,945 -90.10 2,536 -89.43 0.0006
2023-02-14 2022-12-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 463,881 463,881 23,992 0.0056
2022-11-14 2022-09-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 0 -5,845 -100.00 0 -100.00
2022-08-15 2022-06-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 5,845 2,140 57.76 302 36.65 0.0001
2022-05-16 2022-03-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 3,705 3,705 221 0.0000
2022-02-14 2021-12-31 13F VANGUARD STAR FDS Cmn 921909768 0 -311,246 -100.00 0 -100.00
2021-11-15 2021-09-30 13F VANGUARD STAR FDS Cmn 921909768 311,246 311,246 19,689 0.0041
2021-08-16 2021-06-30 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 0 -18,214 -100.00 0 -100.00
2021-05-21 2021-03-31 13F/A-1 VANGUARD STAR FDS VG TL INTL STK F 921909768 18,214 18,214 1,142 0.0003
2021-05-17 2021-03-31 13F VANGUARD STAR FDS VG TL INTL STK F 921909768 18,214 18,214 1,142 0.0003
2020-11-16 2020-09-30 13F VANGUARD STAR FDS Cmn 921909768 0 -1,569,091 -100.00 0 -100.00
2020-08-14 2020-06-30 13F VANGUARD STAR FDS Cmn 921909768 1,569,091 1,569,091 77,152 0.0275
2020-05-15 2020-03-31 13F VANGUARD STAR FD Cmn 921909768 0 -250,935 -100.00 0 -100.00
2020-02-14 2019-12-31 13F VANGUARD STAR FD Cmn 921909768 250,935 250,935 13,975 0.0061
2019-08-14 2019-06-30 13F VANGUARD STAR FD Cmn 921909768 0 -978,677 -100.00 0 -100.00
2019-05-15 2019-03-31 13F VANGUARD STAR FD Cmn 921909768 978,677 673,378 220.56 50,793 252.34 0.0253
2019-02-14 2018-12-31 13F VANGUARD STAR FD Cmn 921909768 305,299 81,230 36.25 14,416 19.14 0.0079
2018-11-13 2018-09-30 13F VANGUARD STAR FD Cmn 921909768 224,069 224,069 12,100 0.0054
2018-08-14 2018-06-30 13F/A-1 VANGUARD STAR FD Cmn 921909768 0 -357,780 -100.00 0 -100.00
2018-05-14 2018-03-31 13F/A-1 VANGUARD STAR FD Cmn 921909768 357,780 180,311 101.60 20,232 100.67 0.0111
2018-05-11 2018-03-31 13F VANGUARD STAR FD Cmn 921909768 357,780 180,311 20,232
2018-02-09 2017-12-31 13F VANGUARD STAR FD Cmn 921909768 177,469 160,822 966.07 10,082 1,006.70 0.0061
2017-11-09 2017-09-30 13F VANGUARD STAR FD Cmn 921909768 16,647 -7,541 -31.18 911 -27.53 0.0007
2017-08-11 2017-06-30 13F VANGUARD STAR FD Cmn 921909768 24,188 -143,492 -85.57 1,257 -84.91 0.0011
2017-05-12 2017-03-31 13F VANGUARD STAR FD Cmn 921909768 167,680 167,680 8,330 0.0076
2016-08-12 2016-06-30 13F VANGUARD TOTAL INTL STOCK ET Cmn 921909768 0 -6,987 -100.00 0 -100.00
2017-01-31 2016-03-31 13F/A-1 VANGUARD STAR FD Cmn 921909768 6,987 -1,046 -13.02 314 -19.07 0.0004
2016-05-13 2016-03-31 13F VANGUARD TOTAL INTL STOCK ET Cmn 921909768 6,987 314
2015-06-26 2014-12-31 13F/A-2 VANGUARD TOTAL INTL STOCK ET Cmn 921909768 8,033 8,033 388 0.0021
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
(%)
2026-05-15 2026-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 114,500 515.59 8,829 529.29 n/a n/a n/a
2026-02-17 2025-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 18,600 5.68 1,403 8.59 n/a n/a n/a
2025-11-14 2025-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 17,600 -32.57 1,293 -28.34 n/a n/a n/a
2025-08-14 2025-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 26,100 23.11 1,803 37.01 n/a n/a n/a
2025-05-15 2025-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 21,200 -25.35 1,317 -21.34 n/a n/a n/a
2025-02-14 2024-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 28,400 -39.32 1,674 -44.77 n/a n/a n/a
2024-11-14 2024-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 46,800 140.00 3,030 157.79 n/a n/a n/a
2024-08-14 2024-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 19,500 2.63 1,176 2.62 n/a n/a n/a
2024-05-15 2024-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 19,000 -62.30 1,146 -60.80 n/a n/a n/a
2024-02-14 2023-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 50,400 12.50 2,921 21.86 n/a n/a n/a
2023-11-14 2023-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 44,800 -22.09 2,398 -25.65 n/a n/a n/a
2023-08-14 2023-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 57,500 3.60 3,225 5.22 n/a n/a n/a
2023-05-15 2023-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 55,500 112.64 3,064 127.13 n/a n/a n/a
2023-02-14 2022-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 26,100 -33.92 1,350 -25.39 n/a n/a n/a
2022-11-14 2022-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 39,500 -62.13 1,808 -66.41 n/a n/a n/a
2022-08-15 2022-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 104,300 131.26 5,383 99.81 n/a n/a n/a
2022-05-16 2022-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 45,100 -28.41 2,694 -32.73 n/a n/a n/a
2022-02-14 2021-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 63,000 219.80 4,005 221.43 n/a n/a n/a
2021-11-15 2021-09-30 13F VANGUARD STAR FDS Cmn Call 19,700 -14.72 1,246 -17.86 n/a n/a n/a
2021-08-16 2021-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Call 23,100 196.15 1,517 210.22 n/a n/a n/a
2021-05-21 2021-03-31 13F/A VANGUARD STAR FDS VG TL INTL STK F Call 7,800 -25.00 489 -21.88 n/a n/a n/a
2021-05-17 2021-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 7,800 489 n/a n/a n/a
2021-02-16 2020-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Call 10,400 626 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
(%)
2026-05-15 2026-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 47,600 2.59 3,670 4.86 n/a n/a n/a
2026-02-17 2025-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 46,400 -16.99 3,500 -14.76 n/a n/a n/a
2025-11-14 2025-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 55,900 47.49 4,106 56.84 n/a n/a n/a
2025-08-14 2025-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 37,900 -3.81 2,619 7.03 n/a n/a n/a
2025-05-15 2025-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 39,400 28.34 2,447 35.21 n/a n/a n/a
2025-02-14 2024-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 30,700 116.20 1,809 96.84 n/a n/a n/a
2024-11-14 2024-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 14,200 -8.39 919 -1.61 n/a n/a n/a
2024-08-14 2024-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 15,500 -21.32 935 -21.31 n/a n/a n/a
2024-05-15 2024-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 19,700 43.80 1,188 49.50 n/a n/a n/a
2024-02-14 2023-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 13,700 90.28 794 106.23 n/a n/a n/a
2023-11-14 2023-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 7,200 500.00 385 474.63 n/a n/a n/a
2023-08-14 2023-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 1,200 -93.22 67 -93.14 n/a n/a n/a
2023-05-15 2023-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 17,700 -21.33 977 -15.99 n/a n/a n/a
2023-02-14 2022-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 22,500 -11.07 1,164 0.43 n/a n/a n/a
2022-11-14 2022-09-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 25,300 22.22 1,158 8.43 n/a n/a n/a
2022-08-15 2022-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 20,700 -46.23 1,068 -53.57 n/a n/a n/a
2022-05-16 2022-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 38,500 42.07 2,300 33.49 n/a n/a n/a
2022-02-14 2021-12-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 27,100 -7.51 1,723 -7.07 n/a n/a n/a
2021-11-15 2021-09-30 13F VANGUARD STAR FDS Cmn Put 29,300 193.00 1,854 182.19 n/a n/a n/a
2021-08-16 2021-06-30 13F VANGUARD STAR FDS VG TL INTL STK F Put 10,000 -60.63 657 -58.76 n/a n/a n/a
2021-05-21 2021-03-31 13F/A VANGUARD STAR FDS VG TL INTL STK F Put 25,400 1,593 n/a n/a n/a
2021-05-17 2021-03-31 13F VANGUARD STAR FDS VG TL INTL STK F Put 25,400 1,593 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.