Alphabet Inc.
CH ˙ SWX ˙ US02079K1079
SecurityCH:GOOG / Alphabet Inc.
InstitutionMAI Capital Management
Latest Disclosed Ownership644,115 shares
Latest Disclosed Value $ 184,770,890
MAI Capital Management ownership in GOOG / Alphabet Inc.

On May 15, 2026 - MAI Capital Management filed a 13F-HR form disclosing ownership of 644,115 shares of Alphabet Inc. (CH:GOOG) valued at $184,770,890 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 633,994 shares of Alphabet Inc.. This represents a change in shares of 1.60% during the quarter.

MAI Capital Management has a history of taking positions in derivatives of the underlying security (GOOG) in the form of stock options.

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.

CH:GOOG / Alphabet 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)
2026-05-15 2026-03-31 13F ALPHABET CAP STK CL C 02079K107 644,115 10,121 1.60 184,771 -7.13 1.0428
2026-02-13 2025-12-31 13F ALPHABET CAP STK CL C 02079K107 633,994 17,927 2.91 198,947 32.59 1.1442
2025-11-10 2025-09-30 13F ALPHABET CAP STK CL C 02079K107 616,067 -22,264 -3.49 150,043 32.51 0.9345
2025-08-12 2025-06-30 13F ALPHABET CAP STK CL C 02079K107 638,331 -78,008 -10.89 113,234 1.18 0.7824
2025-05-15 2025-03-31 13F ALPHABET CAP STK CL C 02079K107 716,339 -3,631 -0.50 111,914 -18.38 0.8436
2025-02-14 2024-12-31 13F ALPHABET CAP STK CL C 02079K107 719,970 45,546 6.75 137,111 21.60 1.0159
2024-11-07 2024-09-30 13F Alphabet Inc Class C CS 02079K107 674,424 -32,201 -4.56 112,757 -13.00 1.0736
2024-08-12 2024-06-30 13F Alphabet Inc Class C CS 02079K107 706,625 -21,957 -3.01 129,609 16.84 1.2696
2024-05-08 2024-03-31 13F Alphabet Inc Class C CS 02079K107 728,582 133,881 22.51 110,934 32.36 1.1493
2024-02-09 2023-12-31 13F Alphabet Inc Class C CS 02079K107 594,701 -886 -0.15 83,811 6.73 1.1017
2023-11-14 2023-09-30 13F Alphabet Inc Class C CS 02079K107 595,587 -17,487 -2.85 78,528 5.89 1.1678
2023-08-02 2023-06-30 13F Alphabet Inc Class C CS 02079K107 613,074 -10,745 -1.72 74,164 14.31 1.0912
2023-05-10 2023-03-31 13F Alphabet Inc Class C CS 02079K107 623,819 -16,191 -2.53 64,877 14.24 1.0219
2023-02-09 2022-12-31 13F Alphabet Inc Class C CS 02079K107 640,010 -106,340 -14.25 56,788 -20.87 0.9540
2022-11-15 2022-09-30 13F Alphabet Inc Class C CS 02079K107 746,350 707,746 1,833.35 71,762 -15.02 1.3479
2022-07-19 2022-06-30 13F Alphabet Inc Class C CS 02079K107 38,604 2,812 7.86 84,443 -15.53 1.6126
2022-05-10 2022-03-31 13F Alphabet Inc Class C CS 02079K107 35,792 -256 -0.71 99,968 -4.16 1.6800
2022-02-11 2021-12-31 13F Alphabet Inc Class C CS 02079K107 36,048 625 1.76 104,308 10.48 1.6805
2021-11-12 2021-09-30 13F Alphabet Inc Class C CS 02079K107 35,423 1,904 5.68 94,413 12.38 1.8177
2021-07-19 2021-06-30 13F Alphabet Inc Class C CS 02079K107 33,519 -528 -1.55 84,009 19.28 1.6675
2021-05-10 2021-03-31 13F Alphabet Inc Class C CS 02079K107 34,047 1,173 3.57 70,430 22.29 1.5742
2021-02-16 2020-12-31 13F Alphabet Inc Class C CS 02079K107 32,874 -6,632 -16.79 57,591 -0.81 1.4401
2020-10-26 2020-09-30 13F Alphabet Inc Class C CS 02079K107 39,506 351 0.90 58,059 4.89 1.6809
2020-07-27 2020-06-30 13F Alphabet Inc Class C CS 02079K107 39,155 954 2.50 55,350 24.60 1.7376
2020-04-16 2020-03-31 13F Alphabet Inc Class C CS 02079K107 38,201 846 2.26 44,421 -11.06 1.8129
2020-02-03 2019-12-31 13F Alphabet Inc Class C CS 02079K107 37,355 27,850 293.00 49,945 331.04 1.6186
2019-10-29 2019-09-30 13F Alphabet Inc Class C CS 02079K107 9,505 -64 -0.67 11,587 12.02 0.5164
2019-08-15 2019-06-30 13F Alphabet Inc Class C CS 02079K107 9,569 378 4.11 10,344 -4.08 0.4674
2019-04-29 2019-03-31 13F Alphabet Inc Class C CS 02079K107 9,191 -274 -2.89 10,784 10.02 0.5522
2019-01-30 2018-12-31 13F Alphabet Inc Class C CS 02079K107 9,465 527 5.90 9,802 -8.11 0.5713
2018-10-12 2018-09-30 13F Alphabet Inc Class C CS 02079K107 8,938 185 2.11 10,667 9.24 0.5449
2018-08-16 2018-06-30 13F Alphabet Inc Class C CS 02079K107 8,753 180 2.10 9,765 10.39 0.5267
2018-04-17 2018-03-31 13F Alphabet Inc Class C CS 02079K107 8,573 -120 -1.38 8,846 -2.76 0.5022
2018-01-30 2017-12-31 13F Alphabet Inc Class C CS 02079K107 8,693 69 0.80 9,097 9.97 0.5168
2017-10-12 2017-09-30 13F Alphabet Inc Class C CS 02079K107 8,624 183 2.17 8,272 7.83 0.5022
2017-08-07 2017-06-30 13F Alphabet Inc Class C CS 02079K107 8,441 -243 -2.80 7,671 6.48 0.4942
2017-05-11 2017-03-31 13F Alphabet Inc Class C CS 02079K107 8,684 -403 -4.43 7,204 2.71 0.4847
2017-01-31 2016-12-31 13F Alphabet Inc Class C CS 02079K107 9,087 -304 -3.24 7,014 -3.92 0.5100
2016-10-18 2016-09-30 13F Alphabet Inc Class C CS 02079K107 9,391 32 0.34 7,300 12.69 0.5506
2016-07-14 2016-06-30 13F Alphabet Inc Class C CS 02079K107 9,359 -228 -2.38 6,478 -9.30 0.4993
2016-04-08 2016-03-31 13F Alphabet Inc Class C CS 02079K107 9,587 132 1.40 7,142 -0.47 0.5462
2016-01-27 2015-12-31 13F Alphabet Inc Class C CS 02079K107 9,455 -1,558 -14.15 7,176 7.09 0.5471
2015-10-28 2015-09-30 13F Alphabet Inc Class C CS 02079K107 11,013 -463 -4.03 6,701 12.17 0.5068
2015-07-09 2015-06-30 13F Google Class C CS 38259P706 11,476 264 2.35 5,974 -2.77 0.3936
2015-04-30 2015-03-31 13F Google Class C CS 38259P706 11,212 49 0.44 6,144 4.56 0.4117
2015-01-20 2014-12-31 13F Google Class C CS 38259P706 11,163 6,397 134.22 5,876 113.52 0.4121
2014-10-16 2014-09-30 13F/A-1 Google Class C CS 38259P706 4,766 102 2.19 2,752 2.57 0.2651
2014-10-16 2014-09-30 13F Google Class C COM 38259P706 4,664 2,683
2014-07-28 2014-06-30 13F Google Class C COM 38259P706 4,664 4,664 2,683 0.2578
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
(%)
2026-02-13 2025-12-31 13F ALPHABET CALL Call 0 n/a n/a n/a
2022-07-19 2022-06-30 13F Alphabet Inc Class C CS Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-10 2022-03-31 13F Alphabet Inc Class C CS Call 100 0.00 279 -3.46 n/a n/a n/a
2022-05-10 2022-03-31 13F Alphabet Inc Class C CS Call 200 558 n/a n/a n/a
2022-02-11 2021-12-31 13F Alphabet Inc Class C CS Call 100 289 n/a n/a n/a
2021-07-19 2021-06-30 13F Alphabet Inc Class C CS Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-10 2021-03-31 13F Alphabet Inc Class C CS Call 200 0.00 414 18.29 n/a n/a n/a
2021-02-16 2020-12-31 13F Alphabet Inc Class C CS Call 200 350 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 ALPHABET PUT Put 1,865 -38.74 n/a n/a n/a
2026-02-13 2025-12-31 13F ALPHABET PUT Put 3,044 212.42 n/a n/a n/a
2025-11-10 2025-09-30 13F ALPHABET PUT Put 974 37.38 n/a n/a n/a
2025-08-12 2025-06-30 13F ALPHABET PUT Put 710 13.62 n/a n/a n/a
2025-05-15 2025-03-31 13F ALPHABET PUT Put 625 -18.00 n/a n/a n/a
2025-02-14 2024-12-31 13F ALPHABET PUT Put 762 13.92 n/a n/a n/a
2024-11-07 2024-09-30 13F Alphabet Inc Class C CS Put 4,000 -23.08 669 -29.91 n/a n/a n/a
2024-08-12 2024-06-30 13F Alphabet Inc Class C CS Put 5,200 0.00 954 20.48 n/a n/a n/a
2024-05-08 2024-03-31 13F Alphabet Inc Class C CS Put 5,200 333.33 792 368.05 n/a n/a n/a
2024-02-09 2023-12-31 13F Alphabet Inc Class C CS Put 1,200 169 n/a n/a n/a
2021-07-19 2021-06-30 13F Alphabet Inc Class C CS Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-10 2021-03-31 13F Alphabet Inc Class C CS Put 200 0.00 414 18.29 n/a n/a n/a
2021-02-16 2020-12-31 13F Alphabet Inc Class C CS Put 200 350 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.