ARK ETF Trust - ARK Genomic Revolution ETF
US ˙ BATS ˙ US00214Q3020

SecurityARKG / ARK ETF Trust - ARK Genomic Revolution ETF
InstitutionCitadel Advisors Llc
ManagerKen Griffin
Latest Disclosed Ownership294,157 shares
Latest Disclosed Value $ 7,771,628
Citadel Advisors Llc ownership in ARKG / ARK ETF Trust - ARK Genomic Revolution ETF

On May 15, 2026 - Citadel Advisors Llc filed a 13F-HR form disclosing ownership of 294,157 shares of ARK ETF Trust - ARK Genomic Revolution ETF (US:ARKG) valued at $7,771,628 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 36,148 shares of ARK ETF Trust - ARK Genomic Revolution ETF. This represents a change in shares of 713.76% during the quarter. The current value of the position is $9,827,785 USD.

Citadel Advisors Llc has a history of taking positions in derivatives of the underlying security (ARKG) in the form of stock options. The firm currently holds call options representing 562,500 of underlying shares valued at $14,861,250 USD and put options representing 705,600 of underlying shares valued at $18,641,952 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.

ARKG / ARK ETF Trust - ARK Genomic Revolution 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)
2026-05-15 2026-03-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 294,157 258,009 713.76 7,772 642.22 0.0013
2026-02-17 2025-12-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 36,148 36,148 1,047 0.0002
2025-11-14 2025-09-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 0 -381,389 -100.00 0 -100.00
2025-08-14 2025-06-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 381,389 381,389 9,287 0.0016
2025-05-15 2025-03-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 0 -79,357 -100.00 0 -100.00
2025-02-14 2024-12-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 79,357 3,107 4.07 1,868 -4.30 0.0003
2024-11-14 2024-09-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 76,250 64,124 528.81 1,952 587.32 0.0004
2024-08-14 2024-06-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 12,126 -295,297 -96.06 285 -96.79 0.0001
2024-05-15 2024-03-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 307,423 307,423 8,841 0.0017
2024-02-14 2023-12-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 0 -128,754 -100.00 0 -100.00
2023-11-14 2023-09-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 128,754 -55,557 -30.14 3,587 -42.91 0.0008
2023-08-14 2023-06-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 184,311 135,327 276.27 6,283 326.83 0.0013
2023-05-15 2023-03-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 48,984 -71,718 -59.42 1,473 -56.79 0.0003
2023-02-14 2022-12-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 120,702 -287,014 -70.40 3,407 -74.58 0.0008
2022-11-14 2022-09-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 407,716 -61,789 -13.16 13,402 -9.35 0.0031
2022-08-15 2022-06-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 469,505 436,404 1,318.40 14,785 872.70 0.0038
2022-05-16 2022-03-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 33,101 33,101 1,520 0.0003
2022-02-14 2021-12-31 13F ARK ETF TR Cmn 00214Q302 0 -306,859 -100.00 0 -100.00
2021-11-15 2021-09-30 13F ARK ETF TR Cmn 00214Q302 306,859 221,243 258.41 22,929 189.54 0.0048
2021-08-16 2021-06-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 85,616 50,490 143.74 7,919 154.06 0.0018
2021-05-21 2021-03-31 13F/A-1 ARK ETF TR GENOMIC REV ETF 00214Q302 35,126 35,126 3,117 0.0008
2021-05-17 2021-03-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 35,126 35,126 3,117 0.0008
2021-02-16 2020-12-31 13F ARK ETF TR GENOMIC REV ETF 00214Q302 0 -8,115 -100.00 0 -100.00
2020-11-16 2020-09-30 13F ARK ETF TR GENOMIC REV ETF 00214Q302 8,115 8,115 517 0.0001
2020-08-14 2020-06-30 13F ARK ETF TR Cmn 00214Q302 0 -20,794 -100.00 0 -100.00
2020-05-15 2020-03-31 13F ARK ETF TR Cmn 00214Q302 20,794 20,794 650 0.0003
2020-02-14 2019-12-31 13F ARK ETF TR Cmn 00214Q302 0 -41,964 -100.00 0 -100.00
2019-11-14 2019-09-30 13F ARK ETF TR Cmn 00214Q302 41,964 19,565 87.35 1,239 60.49 0.0006
2019-08-14 2019-06-30 13F ARK ETF TR Cmn 00214Q302 22,399 22,399 772 0.0004
2019-05-15 2019-03-31 13F ARK ETF TR Cmn 00214Q302 0 -45,979 -100.00 0 -100.00
2019-02-14 2018-12-31 13F ARK ETF TR Cmn 00214Q302 45,979 45,979 1,103 0.0006
2018-11-13 2018-09-30 13F ARK ETF TR Cmn 00214Q302 0 -34,445 -100.00 0 -100.00
2018-08-14 2018-06-30 13F/A-1 ARK ETF TR Cmn 00214Q302 34,445 34,445 1,001 0.0005
2018-08-10 2018-06-30 13F ARK ETF TR Cmn 00214Q302 34,445 1,001 0.0005
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 ARK ETF TR GENOMIC REV ETF Call 562,500 -30.63 14,861 -36.74 n/a n/a n/a
2026-02-17 2025-12-31 13F ARK ETF TR GENOMIC REV ETF Call 810,900 16.81 23,492 21.86 n/a n/a n/a
2025-11-14 2025-09-30 13F ARK ETF TR GENOMIC REV ETF Call 694,200 100.23 19,278 128.35 n/a n/a n/a
2025-08-14 2025-06-30 13F ARK ETF TR GENOMIC REV ETF Call 346,700 -47.96 8,442 -38.96 n/a n/a n/a
2025-05-15 2025-03-31 13F ARK ETF TR GENOMIC REV ETF Call 666,200 -11.17 13,830 -21.68 n/a n/a n/a
2025-02-14 2024-12-31 13F ARK ETF TR GENOMIC REV ETF Call 750,000 21.97 17,659 12.18 n/a n/a n/a
2024-11-14 2024-09-30 13F ARK ETF TR GENOMIC REV ETF Call 614,900 -1.41 15,741 7.49 n/a n/a n/a
2024-08-14 2024-06-30 13F ARK ETF TR GENOMIC REV ETF Call 623,700 138.60 14,644 94.81 n/a n/a n/a
2024-05-15 2024-03-31 13F ARK ETF TR GENOMIC REV ETF Call 261,400 -32.19 7,518 -40.57 n/a n/a n/a
2024-02-14 2023-12-31 13F ARK ETF TR GENOMIC REV ETF Call 385,500 40.90 12,648 65.94 n/a n/a n/a
2023-11-14 2023-09-30 13F ARK ETF TR GENOMIC REV ETF Call 273,600 78.59 7,622 45.96 n/a n/a n/a
2023-08-14 2023-06-30 13F ARK ETF TR GENOMIC REV ETF Call 153,200 2.07 5,223 15.71 n/a n/a n/a
2023-05-15 2023-03-31 13F ARK ETF TR GENOMIC REV ETF Call 150,100 -74.02 4,514 -72.33 n/a n/a n/a
2023-02-14 2022-12-31 13F ARK ETF TR GENOMIC REV ETF Call 577,800 -0.38 16,311 -14.45 n/a n/a n/a
2022-11-14 2022-09-30 13F ARK ETF TR GENOMIC REV ETF Call 580,000 -11.45 19,065 -7.57 n/a n/a n/a
2022-08-15 2022-06-30 13F ARK ETF TR GENOMIC REV ETF Call 655,000 -3.01 20,626 -33.50 n/a n/a n/a
2022-05-16 2022-03-31 13F ARK ETF TR GENOMIC REV ETF Call 675,300 16.79 31,017 -12.40 n/a n/a n/a
2022-02-14 2021-12-31 13F ARK ETF TR GENOMIC REV ETF Call 578,200 -25.43 35,409 -38.88 n/a n/a n/a
2021-11-15 2021-09-30 13F ARK ETF TR Cmn Call 775,400 -15.64 57,938 -31.86 n/a n/a n/a
2021-08-16 2021-06-30 13F ARK ETF TR GENOMIC REV ETF Call 919,200 -10.43 85,026 -6.62 n/a n/a n/a
2021-05-21 2021-03-31 13F/A ARK ETF TR GENOMIC REV ETF Call 1,026,200 52.78 91,055 45.36 n/a n/a n/a
2021-05-17 2021-03-31 13F ARK ETF TR GENOMIC REV ETF Call 1,026,200 91,055 n/a n/a n/a
2021-02-16 2020-12-31 13F ARK ETF TR GENOMIC REV ETF Call 671,700 2,641.63 62,643 3,913.00 n/a n/a n/a
2020-11-16 2020-09-30 13F ARK ETF TR GENOMIC REV ETF Call 24,500 1,561 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 ARK ETF TR GENOMIC REV ETF Put 705,600 -17.37 18,642 -24.64 n/a n/a n/a
2026-02-17 2025-12-31 13F ARK ETF TR GENOMIC REV ETF Put 853,900 -5.71 24,737 -1.63 n/a n/a n/a
2025-11-14 2025-09-30 13F ARK ETF TR GENOMIC REV ETF Put 905,600 5.58 25,149 20.42 n/a n/a n/a
2025-08-14 2025-06-30 13F ARK ETF TR GENOMIC REV ETF Put 857,700 6.16 20,885 24.52 n/a n/a n/a
2025-05-15 2025-03-31 13F ARK ETF TR GENOMIC REV ETF Put 807,900 88.89 16,772 66.55 n/a n/a n/a
2025-02-14 2024-12-31 13F ARK ETF TR GENOMIC REV ETF Put 427,700 -36.60 10,070 -41.69 n/a n/a n/a
2024-11-14 2024-09-30 13F ARK ETF TR GENOMIC REV ETF Put 674,600 3.59 17,270 12.94 n/a n/a n/a
2024-08-14 2024-06-30 13F ARK ETF TR GENOMIC REV ETF Put 651,200 -30.21 15,290 -43.02 n/a n/a n/a
2024-05-15 2024-03-31 13F ARK ETF TR GENOMIC REV ETF Put 933,100 132.98 26,836 104.22 n/a n/a n/a
2024-02-14 2023-12-31 13F ARK ETF TR GENOMIC REV ETF Put 400,500 103.09 13,140 139.21 n/a n/a n/a
2023-11-14 2023-09-30 13F ARK ETF TR GENOMIC REV ETF Put 197,200 -19.51 5,494 -34.23 n/a n/a n/a
2023-08-14 2023-06-30 13F ARK ETF TR GENOMIC REV ETF Put 245,000 52.55 8,352 72.96 n/a n/a n/a
2023-05-15 2023-03-31 13F ARK ETF TR GENOMIC REV ETF Put 160,600 28.17 4,829 36.53 n/a n/a n/a
2023-02-14 2022-12-31 13F ARK ETF TR GENOMIC REV ETF Put 125,300 -70.63 3,537 -74.78 n/a n/a n/a
2022-11-14 2022-09-30 13F ARK ETF TR GENOMIC REV ETF Put 426,600 -38.53 14,022 -35.84 n/a n/a n/a
2022-08-15 2022-06-30 13F ARK ETF TR GENOMIC REV ETF Put 694,000 -3.64 21,854 -33.93 n/a n/a n/a
2022-05-16 2022-03-31 13F ARK ETF TR GENOMIC REV ETF Put 720,200 22.73 33,079 -7.95 n/a n/a n/a
2022-02-14 2021-12-31 13F ARK ETF TR GENOMIC REV ETF Put 586,800 6.05 35,936 -13.08 n/a n/a n/a
2021-11-15 2021-09-30 13F ARK ETF TR Cmn Put 553,300 -43.62 41,343 -54.46 n/a n/a n/a
2021-08-16 2021-06-30 13F ARK ETF TR GENOMIC REV ETF Put 981,400 37.45 90,780 43.29 n/a n/a n/a
2021-05-21 2021-03-31 13F/A ARK ETF TR GENOMIC REV ETF Put 714,000 63.13 63,353 55.20 n/a n/a n/a
2021-05-17 2021-03-31 13F ARK ETF TR GENOMIC REV ETF Put 714,000 63,353 n/a n/a n/a
2021-02-16 2020-12-31 13F ARK ETF TR GENOMIC REV ETF Put 437,700 5,659.21 40,820 8,333.88 n/a n/a n/a
2020-11-16 2020-09-30 13F ARK ETF TR GENOMIC REV ETF Put 7,600 484 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.