ARK & TLK Investments, LLC
ARK & TLK Investments, LLC reported 125 US-listed holdings worth $415.0 million in its 13F for the quarter ended 30 September 2026, filed 20 October 2026. Its largest: Dimensional ETF Trust (27.9%), Dimensional ETF Trust (10.3%) and Dimensional ETF Trust (9.0%). Against the quarter before, it opened 4 positions, added to 21, trimmed 34 and sold out of 5.
Reported holdings$415.0M+2.5% on Q2 2026
Positions125-1 on Q2 2026
The largest ten67.5%of its reported holdings
Latest 13FQ3 2026filed 20 October 2026
Added toHeldTrimmed
The 14 largest of its 125 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +25.8% over the 8 quarters to 30 September 2026, against +32.9% for the S&P 500.
Its reported holdingsThe S&P 500
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Opened 4Added 21Held 66Trimmed 34Sold out 5
Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held
Opened 4
- Dfa Invt Dimensions Group in DUHP$529,575
- Valero Energy Corp. VLO$229,853
- Space Exploration Techn Corp. Class A Com STK SPCX$221,161
- Mastercard Inc. MA$213,889
Added to 21
- Dimensional ETF Trust DFAC+89,411 shares · +4%
- iShares Trust TFLO+69,559 shares · +22%
- Dimensional ETF Trust DFIC+59,465 shares · +6%
- American Centy ETF Trust AVUS+9,150 shares · +11%
- iShares Core MSCI Emerging Mark IEMG+13,080 shares · +17%
- Vanguard Short Term Government VGSH+12,224 shares · +5%
- Dimensional ETF Trust DFEV+11,880 shares · +20%
- Vanguard Shrt-Term Infl-Prot Se VTIP+8,946 shares · +13%
and 13 more in the table below
Trimmed 34
- Dimensional ETF Trust DFAX-16,160 shares · -4%
- Dimensional ETF Trust DFUS-5,096 shares · -1%
- VG Totl STK Vprs VTI-1,037 shares · -6%
- Dimensional ETF Trust DFAU-6,988 shares · -8%
- Summit Midstream Corporation SMC-11,471 shares · -21%
- Dimensional ETF Trust DFEM-7,080 shares · -4%
- Wisdomtree Trust USFR-5,073 shares · -24%
- BP plc BP-4,859 shares · -34%
and 26 more in the table below
Sold out of 5
- Dimensional ETF Trust DUHP$575,374 last quarter
- ONEOK Inc. OKE$555,895 last quarter
- iShares Trust IBIC$441,356 last quarter
- Corning Inc. GLW$229,887 last quarter
- General Electric Co. GE$223,324 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Dimensional ETF Trust DFAC | 2.6M | $115.6 million | 27.86% | +89.4K |
| Dimensional ETF Trust DFIC | 1.1M | $42.6 million | 10.27% | +59.5K |
| Dimensional ETF Trust DFUS | 448.6K | $37.2 million | 8.97% | -5.1K |
| iShares Trust TFLO | 379.7K | $19.2 million | 4.64% | +69.6K |
| Dimensional ETF Trust DFAX | 368.7K | $13.6 million | 3.29% | -16.2K |
| Vanguard Short Term Government VGSH | 234.8K | $13.5 million | 3.26% | +12.2K |
| iShares Trust IWF | 94.7K | $11.9 million | 2.86% | no change |
| American Centy ETF Trust AVUS | 92.1K | $11.8 million | 2.84% | +9.2K |
| iShares Core MSCI Emerging Mark IEMG | 91.3K | $7.4 million | 1.78% | +13.1K |
| iShares Russell 1000 Value Inde IWD | 28.7K | $7.1 million | 1.71% | no change |
| Dimensional ETF Trust DFEM | 172.3K | $6.8 million | 1.65% | -7.1K |
| VG Totl STK Vprs VTI | 15.5K | $5.8 million | 1.39% | -1.0K |
| American Century ETF Trust AVDE | 63.0K | $5.7 million | 1.37% | +3.1K |
| Vanguard Real Estate ETF VNQ | 59.6K | $5.3 million | 1.29% | +4.1K |
| iShares Trust IWS | 28.5K | $4.6 million | 1.10% | no change |
| Dimensional ETF Trust DFAU | 81.5K | $4.3 million | 1.03% | -7.0K |
| Vanguard Large Cap ETF VV | 11.2K | $3.9 million | 0.95% | -46 |
| iShares Russell Mid-Cap Growth ETF IWP | 28.2K | $3.9 million | 0.94% | no change |
| Vanguard Shrt-Term Infl-Prot Se VTIP | 76.1K | $3.7 million | 0.90% | +8.9K |
| Apple Inc. AAPL | 10.5K | $3.5 million | 0.84% | +172 |
| Schwab Strategic Trust SCHB | 115.8K | $3.4 million | 0.82% | no change |
| Microsoft Corp. MSFT | 6.1K | $3.1 million | 0.76% | -373 |
| Dimensional ETF Trust DFEV | 71.3K | $3.0 million | 0.73% | +11.9K |
| Dimensional ETF Trust DFAI | 70.1K | $2.9 million | 0.70% | -4.2K |
| iShares Trust IJS | 22.1K | $2.8 million | 0.68% | no change |
| Dimensional ETF Trust DFIV | 37.5K | $2.1 million | 0.50% | -866 |
| Dimensional ETF Trust DFAT | 31.2K | $2.1 million | 0.50% | no change |
| iShares Trust EFG | 16.0K | $1.9 million | 0.46% | -842 |
| Schwab Strategic Trust SCHA | 53.8K | $1.8 million | 0.42% | no change |
| American Centy ETF Trust AVEE | 24.5K | $1.7 million | 0.40% | +5.2K |
| Dimensional ETF Trust DFUV | 30.4K | $1.7 million | 0.40% | -1.6K |
| NVIDIA Corp. NVDA | 7.3K | $1.7 million | 0.40% | +187 |
| SPDR Blmbg Barclays Convert Secs ETF CWB | 16.5K | $1.7 million | 0.40% | no change |
| iShares Trust AGG | 17.1K | $1.6 million | 0.39% | +2.9K |
| SPDR S&P MidCap 400 ETF MDY | 2.4K | $1.6 million | 0.38% | -200 |
| iShares Trust IWB | 3.3K | $1.4 million | 0.33% | no change |
| Schwab Strategic Trust SCHO | 57.8K | $1.4 million | 0.33% | -268 |
| Schwab US Mid-Cap ETF SCHM | 40.3K | $1.4 million | 0.33% | no change |
| Summit Midstream Corporation SMC | 44.2K | $1.3 million | 0.32% | -11.5K |
| Vanguard Small Cap Value ETF VBR | 5.7K | $1.3 million | 0.32% | no change |
| Vanguard Mid Cap Index ETF VO | 16.5K | $1.3 million | 0.31% | -914 |
| iShares Trust IBIJ | 52.8K | $1.3 million | 0.31% | no change |
| iShares Trust FLOT | 23.2K | $1.2 million | 0.29% | no change |
| Schwab Strategic Trust SCHG | 32.0K | $1.1 million | 0.28% | no change |
| Dimensional ETF Trust DFAE | 29.2K | $1.1 million | 0.28% | -502 |
| Dimensional ETF Trust DFAS | 14.0K | $1.1 million | 0.26% | -936 |
| Schwab Strategic Trust SCHV | 32.6K | $1.1 million | 0.26% | no change |
| iShares Trust EFV | 13.7K | $1.1 million | 0.26% | no change |
| American Century ETF Trust AVEM | 11.4K | $1.1 million | 0.26% | -21 |
| Vanguard Total Bond Market ETF BND | 14.8K | $1.0 million | 0.25% | -88 |
| JPMorgan Chase & Co. JPM | 3.1K | $1.0 million | 0.25% | -5 |
| iShares Trust IWN | 4.8K | $1.0 million | 0.24% | no change |
| iShares Trust ICF | 15.9K | $997,189 | 0.24% | no change |
| Vanguard World FD MGC | 3.5K | $995,143 | 0.24% | no change |
| Vanguard Small Cap ETF VB | 3.2K | $901,549 | 0.22% | no change |
| Schwab US Large Cap SCHX | 29.1K | $872,910 | 0.21% | -387 |
| iShares Trust SUB | 8.1K | $842,488 | 0.20% | +518 |
| Taiwan Semiconductor Manufacturing Company Limited TSM | 1.8K | $834,410 | 0.20% | no change |
| iShares Trust IWO | 2.3K | $832,291 | 0.20% | no change |
| Wisdomtree Trust USFR | 16.5K | $830,050 | 0.20% | -5.1K |
| Vanguard Value ETF VTV | 3.7K | $790,729 | 0.19% | +50 |
| ExxonMobil Holdings Corp. XOM | 4.5K | $731,993 | 0.18% | no change |
| American Centy ETF Trust AVUV | 6.2K | $730,174 | 0.18% | no change |
| Astera Labs, Inc. ALAB | 2.0K | $711,940 | 0.17% | no change |
| Vanguard Index FDS VXF | 2.9K | $660,841 | 0.16% | no change |
| iShares Trust IGSB | 12.7K | $649,827 | 0.16% | no change |
| Micron Technology Inc. MU | 606 | $645,457 | 0.16% | no change |
| SPDR S&P 500 SPY | 771 | $587,988 | 0.14% | no change |
| Walmart Inc. WMT | 5.5K | $574,886 | 0.14% | no change |
| Vanguard Scottsdale FDS VONG | 4.4K | $565,230 | 0.14% | no change |
| Vanguard Ftse Emerging Markets VWO | 9.2K | $543,064 | 0.13% | no change |
| Vanguard Growth ETF VUG | 6.0K | $541,521 | 0.13% | -381 |
| Meta Platforms, Inc. META | 742 | $538,157 | 0.13% | -2 |
| Home Depot, Inc. HD | 1.9K | $535,641 | 0.13% | no change |
| Thermo Fisher Scientific Inc. TMO | 792 | $534,640 | 0.13% | no change |
| Dimensional ETF Trust DISV | 12.3K | $532,013 | 0.13% | no change |
| Dfa Invt Dimensions Group in DUHP | 12.6K | $529,575 | 0.13% | new |
| iShares Trust EMB | 5.5K | $501,074 | 0.12% | -376 |
| Vanguard Intl Equity Index F VNQI | 11.5K | $487,088 | 0.12% | +250 |
| iShares iBonds Oct 2031 Term Tips ETF IBIH | 19.2K | $479,132 | 0.12% | no change |
| iShares iBonds Oct 2032 Term Tips ETF IBII | 19.3K | $474,800 | 0.11% | no change |
| iShares Trust IBIG | 18.8K | $473,826 | 0.11% | no change |
| Wisdomtree Trust DLN | 4.9K | $472,004 | 0.11% | no change |
| iShares Trust IBIF | 18.5K | $470,378 | 0.11% | no change |
| SPDR Ser Trust RWR | 4.5K | $469,232 | 0.11% | no change |
| iShares Trust IBIE | 17.9K | $459,543 | 0.11% | no change |
| iShares Trust IBID | 17.3K | $448,038 | 0.11% | no change |
| Vanguard Ftse Developed Markets VEA | 6.3K | $443,643 | 0.11% | +62 |
| Invesco QQQ Trust QQQ | 592 | $437,907 | 0.11% | -36 |
| iShares Trust EFA | 4.2K | $433,430 | 0.10% | no change |
| iShares Trust SCZ | 5.1K | $427,905 | 0.10% | no change |
| BP plc BP | 9.5K | $419,306 | 0.10% | -4.9K |
| iShares Trust STIP | 4.2K | $419,040 | 0.10% | -225 |
| Vanguard Mid Cap Value ETF VOE | 2.1K | $413,208 | 0.10% | no change |
| Union Pacific Corp. UNP | 1.5K | $408,740 | 0.10% | -500 |
| Stryker Corp. SYK | 1.4K | $391,346 | 0.09% | no change |
| Vanguard S&P 500 VOO | 544 | $381,373 | 0.09% | -2 |
| Vanguard Small Cap Growth ETF VBK | 1.1K | $371,006 | 0.09% | no change |
| Vanguard BD Index FDS BSV | 4.7K | $356,101 | 0.09% | -770 |
| Amazon.com Inc. AMZN | 1.4K | $347,066 | 0.08% | +20 |
| Invesco Exchange Traded FD T RSP | 1.7K | $346,146 | 0.08% | no change |
| Robinhood Markets, Inc. HOOD | 3.0K | $337,500 | 0.08% | no change |
| ConocoPhillips COP | 2.6K | $329,896 | 0.08% | no change |
| Schwab Strategic Trust SCHF | 11.7K | $320,356 | 0.08% | no change |
| Energy Transfer LP ET | 15.8K | $312,465 | 0.08% | no change |
| Enterprise Products Partners L.P. EPD | 8.5K | $301,439 | 0.07% | no change |
| iShares Trust REZ | 3.4K | $300,091 | 0.07% | no change |
| Alphabet Inc. GOOG | 880 | $299,852 | 0.07% | no change |
| Tesla, Inc. TSLA | 828 | $293,783 | 0.07% | -30 |
| Invesco Exch Traded FD Trust II QQQM | 950 | $289,408 | 0.07% | no change |
| iShares Trust IBIK | 11.5K | $277,725 | 0.07% | no change |
| iShares Trust IBIL | 11.6K | $275,121 | 0.07% | no change |
| Seagate Technology Holdings plc STX | 298 | $274,858 | 0.07% | -27 |
| Fidelity Enhanced Small Cap ETF FESM | 5.7K | $253,986 | 0.06% | +12 |
| Fidelity Covington Trust FMDE | 5.9K | $237,955 | 0.06% | +17 |
| Valero Energy Corp. VLO | 593 | $229,853 | 0.06% | new |
| Core Scientific, Inc. CORZ | 14.0K | $223,720 | 0.05% | no change |
| Space Exploration Techn Corp. Class A Com STK SPCX | 1.5K | $221,161 | 0.05% | new |
| iShares Core S&P 500 ETF IVV | 283 | $216,736 | 0.05% | no change |
| Mastercard Inc. MA | 388 | $213,889 | 0.05% | new |
| Intel Corp. INTC | 1.8K | $211,414 | 0.05% | no change |
| Broadcom Inc. AVGO | 585 | $205,447 | 0.05% | no change |
| Netflix Inc. NFLX | 3.0K | $205,261 | 0.05% | -391 |
| Mplx LP MPLX | 3.6K | $203,879 | 0.05% | no change |
| American Centy ETF Trust AVLV | 2.2K | $202,857 | 0.05% | no change |
Every US-listed position in the fund's 13F for the quarter ended 30 September 2026, by the value it reported.
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Change is shares against its 13F for the quarter before; the 5 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| Apple Inc. AAPL | Puts | 3.5K | $1.2 million |
1 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.