Pfizer Inc.
CL ˙ SNSE ˙ US7170811035
SecurityCL:PFE / Pfizer Inc.
InstitutionUBS Group AG
Latest Disclosed Ownership17,609,150 shares
Latest Disclosed Value $ 494,464,917
UBS Group AG ownership in PFE / Pfizer Inc.

On May 5, 2026 - UBS Group AG filed a 13F-HR form disclosing ownership of 17,609,150 shares of Pfizer Inc. (CL:PFE) valued at $494,464,917 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 16,798,015 shares of Pfizer Inc.. This represents a change in shares of 4.83% during the quarter.

UBS Group AG has a history of taking positions in derivatives of the underlying security (PFE) in the form of stock options. The firm currently holds call options representing 1,130,221 of underlying shares valued at $31,736,606 USD and put options representing 1,007,331 of underlying shares valued at $28,285,854 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
(Premium Subscription Required)

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.

CL:PFE / Pfizer 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)
2026-05-05 2026-03-31 13F PFIZER COM 717081103 17,609,150 811,135 4.83 494,465 18.22 0.0139
2026-01-29 2025-12-31 13F PFIZER COM 717081103 16,798,015 -4,998,601 -22.93 418,271 -24.69 0.0678
2025-11-13 2025-09-30 13F PFIZER COM 717081103 21,796,616 -2,021,043 -8.49 555,378 -3.80 0.0870
2025-08-14 2025-06-30 13F PFIZER COM 717081103 23,817,659 -1,232 -0.01 577,340 -4.35 0.0999
2025-05-13 2025-03-31 13F PFIZER COM 717081103 23,818,891 -3,220,014 -11.91 603,571 -15.86 0.1110
2025-02-14 2024-12-31 13F PFIZER COM 717081103 27,038,905 3,795,376 16.33 717,342 6.64 0.1326
2024-11-14 2024-09-30 13F PFIZER COM 717081103 23,243,529 3,292,353 16.50 672,668 20.50 0.1465
2024-08-14 2024-06-30 13F PFIZER COM 717081103 19,951,176 3,334,517 20.07 558,234 21.06 0.1379
2024-05-13 2024-03-31 13F PFIZER COM 717081103 16,616,659 1,560,892 10.37 461,112 6.38 0.1148
2024-02-09 2023-12-31 13F PFIZER COM 717081103 15,055,767 338,325 2.30 433,456 -11.21 0.1297
2023-11-09 2023-09-30 13F PFIZER COM 717081103 14,717,442 -1,749,197 -10.62 488,178 -19.18 0.1683
2023-08-11 2023-06-30 13F PFIZER COM 717081103 16,466,639 -2,153,286 -11.56 603,996 -20.49 0.2040
2023-05-12 2023-03-31 13F PFIZER COM 717081103 18,619,925 726,356 4.06 759,693 -17.14 0.2776
2023-02-08 2022-12-31 13F PFIZER COM 717081103 17,893,569 2,991,764 20.08 916,866 40.60 0.3423
2022-11-10 2022-09-30 13F PFIZER COM 717081103 14,901,805 -2,177,923 -12.75 652,103 -27.18 0.2859
2022-08-10 2022-06-30 13F PFIZER COM 717081103 17,079,728 294,801 1.76 895,491 3.05 0.3677
2022-05-16 2022-03-31 13F PFIZER COM 717081103 16,784,927 -708,211 -4.05 868,956 -15.88 0.2897
2022-02-14 2021-12-31 13F PFIZER COM 717081103 17,493,138 200,653 1.16 1,032,971 38.89 0.2959
2021-11-15 2021-09-30 13F PFIZER COM 717081103 17,292,485 251,439 1.48 743,748 11.45 0.2342
2021-08-13 2021-06-30 13F PFIZER COM 717081103 17,041,046 -1,742,222 -9.28 667,328 -1.94 0.2151
2021-05-12 2021-03-31 13F PFIZER COM 717081103 18,783,268 -1,965,358 -9.47 680,519 -10.90 0.2258
2021-02-11 2020-12-31 13F PFIZER COM 717081103 20,748,626 2,806,697 15.64 763,757 15.99 0.2582
2020-11-12 2020-09-30 13F PFIZER COM 717081103 17,941,929 1,646,423 10.10 658,469 23.57 0.2482
2020-07-31 2020-06-30 13F PFIZER COM 717081103 16,295,506 -845,241 -4.93 532,863 -4.76 0.2250
2020-05-01 2020-03-31 13F PFIZER COM 717081103 17,140,747 -3,841,309 -18.31 559,475 -31.94 0.2636
2020-02-14 2019-12-31 13F PFIZER COM 717081103 20,982,056 -1,931,768 -8.43 822,076 -0.15 0.2860
2019-11-14 2019-09-30 13F PFIZER COM 717081103 22,913,824 -140,574 -0.61 823,294 -17.56 0.3169
2019-08-14 2019-06-30 13F PFIZER COM 717081103 23,054,398 3,891,947 20.31 998,716 22.72 0.3846
2019-05-14 2019-03-31 13F PFIZER COM 717081103 19,162,451 -1,730,732 -8.28 813,831 -10.76 0.3362
2019-02-14 2018-12-31 13F PFIZER COM 717081103 20,893,183 -113,039 -0.54 911,988 -1.49 0.4136
2018-11-14 2018-09-30 13F PFIZER COM 717081103 21,006,222 -927,532 -4.23 925,744 16.34 0.3669
2018-08-14 2018-06-30 13F PFIZER COM 717081103 21,933,754 1,016,973 4.86 795,756 7.20 0.3446
2018-05-15 2018-03-31 13F PFIZER COM 717081103 20,916,781 -993,328 -4.53 742,337 -6.46 0.3205
2018-02-14 2017-12-31 13F PFIZER COM 717081103 21,910,109 1,325,439 6.44 793,584 7.99 0.3261
2017-11-14 2017-09-30 13F PFIZER COM 717081103 20,584,670 255,924 1.26 734,873 7.62 0.3399
2017-11-14 2017-06-30 13F/A-1 PFIZER COM 717081103 20,328,746 511,692 2.58 682,843 0.72 0.3534
2017-08-14 2017-06-30 13F PFIZER COM 717081103 20,328,746 19,920,306 682,843
2017-11-14 2017-03-31 13F/A-1 PFIZER COM 717081103 19,817,054 2,515,107 14.54 677,941 20.64 0.3700
2017-05-12 2017-03-31 13F PFIZER COM 717081103 19,817,054 2,515,107 677,941
2017-02-14 2016-12-31 13F PFIZER COM 717081103 17,301,947 685,908 4.13 561,967 -0.15 0.3103
2016-11-14 2016-09-30 13F PFIZER COM 717081103 16,616,039 1,527,440 10.12 562,785 5.93 0.3355
2016-08-12 2016-06-30 13F PFIZER COM 717081103 15,088,599 -348,495 -2.26 531,270 16.11 0.3337
2016-05-12 2016-03-31 13F PFIZER COM 717081103 15,437,094 -2,504,405 -13.96 457,556 -21.00 0.3064
2016-02-16 2015-12-31 13F PFIZER COM 717081103 17,941,499 2,081,694 13.13 579,152 16.26 0.3760
2015-11-13 2015-09-30 13F PFIZER COM 717081103 15,859,805 -1,072,491 -6.33 498,155 -12.26 0.3527
2015-08-14 2015-06-30 13F PFIZER COM 717081103 16,932,296 1,276,931 8.16 567,740 4.24 0.3773
2015-05-14 2015-03-31 13F PFIZER COM 717081103 15,655,365 -5,961,047 -27.58 544,650 -19.11 0.3761
2015-02-17 2014-12-31 13F PFIZER COM 717081103 21,616,412 21,616,412 673,351 0.4706
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
(%)
2026-05-05 2026-03-31 13F PFIZER COM Call 1,130,221 -32.48 31,737 -23.86 n/a n/a n/a
2026-01-29 2025-12-31 13F PFIZER COM Call 1,673,974 -16.13 41,682 -18.04 n/a n/a n/a
2025-11-13 2025-09-30 13F PFIZER COM Call 1,996,000 -2.80 50,858 2.17 n/a n/a n/a
2025-08-14 2025-06-30 13F PFIZER COM Call 2,053,520 -24.68 49,777 -27.95 n/a n/a n/a
2025-05-13 2025-03-31 13F PFIZER COM Call 2,726,474 -27.64 69,089 -30.88 n/a n/a n/a
2025-02-14 2024-12-31 13F PFIZER COM Call 3,767,820 5.91 99,960 -2.91 n/a n/a n/a
2024-11-14 2024-09-30 13F PFIZER COM Call 3,557,416 10.86 102,952 14.67 n/a n/a n/a
2024-08-14 2024-06-30 13F PFIZER COM Call 3,208,832 14.66 89,783 15.61 n/a n/a n/a
2024-05-13 2024-03-31 13F PFIZER COM Call 2,798,534 -13.90 77,659 -17.01 n/a n/a n/a
2024-02-09 2023-12-31 13F PFIZER COM Call 3,250,473 93.50 93,581 67.95 n/a n/a n/a
2023-11-09 2023-09-30 13F PFIZER COM Call 1,679,832 101.03 55,720 81.80 n/a n/a n/a
2023-08-11 2023-06-30 13F PFIZER COM Call 835,600 69.56 30,650 52.44 n/a n/a n/a
2023-05-12 2023-03-31 13F PFIZER COM Call 492,800 -43.47 20,106 -54.99 n/a n/a n/a
2023-02-08 2022-12-31 13F PFIZER COM Call 871,800 -48.72 44,671 -39.96 n/a n/a n/a
2022-11-10 2022-09-30 13F PFIZER COM Call 1,700,100 182.83 74,396 136.06 n/a n/a n/a
2022-08-10 2022-06-30 13F PFIZER COM Call 601,100 -34.48 31,516 -33.64 n/a n/a n/a
2022-05-16 2022-03-31 13F PFIZER COM Call 917,400 -59.40 47,494 -64.41 n/a n/a n/a
2022-02-14 2021-12-31 13F PFIZER COM Call 2,259,712 253.86 133,436 385.82 n/a n/a n/a
2021-11-15 2021-09-30 13F PFIZER COM Call 638,585 -27.88 27,466 -20.78 n/a n/a n/a
2021-08-13 2021-06-30 13F PFIZER COM Call 885,388 3.81 34,672 12.21 n/a n/a n/a
2021-05-12 2021-03-31 13F PFIZER COM Call 852,885 151.81 30,900 147.83 n/a n/a n/a
2021-02-11 2020-12-31 13F PFIZER COM Call 338,700 1,131.64 12,468 1,135.68 n/a n/a n/a
2020-11-12 2020-09-30 13F PFIZER COM Call 27,500 -79.57 1,009 -77.07 n/a n/a n/a
2020-07-31 2020-06-30 13F PFIZER COM Call 134,600 18.80 4,401 19.01 n/a n/a n/a
2020-05-01 2020-03-31 13F PFIZER COM Call 113,300 -58.13 3,698 -65.12 n/a n/a n/a
2020-02-14 2019-12-31 13F PFIZER COM Call 270,600 737.77 10,602 813.18 n/a n/a n/a
2019-11-14 2019-09-30 13F PFIZER COM Call 32,300 -39.51 1,161 -49.81 n/a n/a n/a
2019-08-14 2019-06-30 13F PFIZER COM Call 53,400 -68.18 2,313 -67.54 n/a n/a n/a
2019-05-14 2019-03-31 13F PFIZER COM Call 167,800 -66.87 7,126 -67.77 n/a n/a n/a
2019-02-14 2018-12-31 13F PFIZER COM Call 506,500 -16.83 22,109 -17.62 n/a n/a n/a
2018-11-14 2018-09-30 13F PFIZER COM Call 609,000 76.32 26,839 114.18 n/a n/a n/a
2018-08-14 2018-06-30 13F PFIZER COM Call 345,389 -33.19 12,531 -31.70 n/a n/a n/a
2018-05-15 2018-03-31 13F PFIZER COM Call 517,000 -20.27 18,348 -21.87 n/a n/a n/a
2018-02-14 2017-12-31 13F PFIZER COM Call 648,400 102.82 23,485 105.77 n/a n/a n/a
2017-11-14 2017-09-30 13F PFIZER COM Call 319,700 451.21 11,413 485.88 n/a n/a n/a
2017-11-14 2017-06-30 13F/A PFIZER COM Call 58,000 -81.23 1,948 -81.58 n/a n/a n/a
2017-08-14 2017-06-30 13F PFIZER COM Call 58,000 1,948 n/a n/a n/a
2017-11-14 2017-03-31 13F/A PFIZER COM Call 309,064 -90.40 10,573 -89.89 n/a n/a n/a
2017-05-12 2017-03-31 13F PFIZER COM Call 309,064 10,573 n/a n/a n/a
2017-02-14 2016-12-31 13F PFIZER COM Call 3,218,300 32.55 104,530 27.11 n/a n/a n/a
2016-11-14 2016-09-30 13F PFIZER COM Call 2,428,000 -10.61 82,236 -14.01 n/a n/a n/a
2016-08-12 2016-06-30 13F PFIZER COM Call 2,716,200 -30.35 95,637 -17.27 n/a n/a n/a
2016-05-12 2016-03-31 13F PFIZER COM Call 3,900,000 20.84 115,596 10.96 n/a n/a n/a
2016-02-16 2015-12-31 13F PFIZER COM Call 3,227,295 -33.12 104,177 -31.27 n/a n/a n/a
2015-11-13 2015-09-30 13F PFIZER COM Call 4,825,800 510.09 151,578 471.52 n/a n/a n/a
2015-08-14 2015-06-30 13F PFIZER COM Call 791,000 71.84 26,522 65.62 n/a n/a n/a
2015-05-14 2015-03-31 13F PFIZER COM Call 460,300 -79.30 16,014 -76.88 n/a n/a n/a
2015-02-17 2014-12-31 13F PFIZER COM Call 2,223,862 69,273 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
(%)
2026-05-05 2026-03-31 13F PFIZER COM Put 1,007,331 94.98 28,286 119.88 n/a n/a n/a
2026-01-29 2025-12-31 13F PFIZER COM Put 516,631 0.88 12,864 -1.41 n/a n/a n/a
2025-11-13 2025-09-30 13F PFIZER COM Put 512,113 -9.78 13,049 -5.16 n/a n/a n/a
2025-08-14 2025-06-30 13F PFIZER COM Put 567,613 -70.01 13,759 -71.31 n/a n/a n/a
2025-05-13 2025-03-31 13F PFIZER COM Put 1,892,713 10.02 47,961 5.08 n/a n/a n/a
2025-02-14 2024-12-31 13F PFIZER COM Put 1,720,413 -9.91 45,643 -17.42 n/a n/a n/a
2024-11-14 2024-09-30 13F PFIZER COM Put 1,909,713 60.44 55,267 65.95 n/a n/a n/a
2024-08-14 2024-06-30 13F PFIZER COM Put 1,190,313 16.38 33,305 17.34 n/a n/a n/a
2024-05-13 2024-03-31 13F PFIZER COM Put 1,022,800 -65.75 28,383 -66.99 n/a n/a n/a
2024-02-09 2023-12-31 13F PFIZER COM Put 2,986,023 128.80 85,968 98.58 n/a n/a n/a
2023-11-09 2023-09-30 13F PFIZER COM Put 1,305,100 -8.80 43,290 -17.53 n/a n/a n/a
2023-08-11 2023-06-30 13F PFIZER COM Put 1,431,100 40.76 52,493 26.54 n/a n/a n/a
2023-05-12 2023-03-31 13F PFIZER COM Put 1,016,700 -41.62 41,481 -53.52 n/a n/a n/a
2023-02-08 2022-12-31 13F PFIZER COM Put 1,741,600 27.73 89,240 49.56 n/a n/a n/a
2022-11-10 2022-09-30 13F PFIZER COM Put 1,363,500 -32.95 59,667 -44.04 n/a n/a n/a
2022-08-10 2022-06-30 13F PFIZER COM Put 2,033,500 -7.50 106,616 -6.32 n/a n/a n/a
2022-05-16 2022-03-31 13F PFIZER COM Put 2,198,300 -61.81 113,806 -66.52 n/a n/a n/a
2022-02-14 2021-12-31 13F PFIZER COM Put 5,756,634 97.46 339,929 171.10 n/a n/a n/a
2021-11-15 2021-09-30 13F PFIZER COM Put 2,915,279 -16.75 125,387 -8.57 n/a n/a n/a
2021-08-13 2021-06-30 13F PFIZER COM Put 3,501,988 0.58 137,138 8.72 n/a n/a n/a
2021-05-12 2021-03-31 13F PFIZER COM Put 3,481,660 490.86 126,140 481.53 n/a n/a n/a
2021-02-11 2020-12-31 13F PFIZER COM Put 589,253 -63.41 21,691 -63.30 n/a n/a n/a
2020-11-12 2020-09-30 13F PFIZER COM Put 1,610,500 -1.22 59,106 10.86 n/a n/a n/a
2020-07-31 2020-06-30 13F PFIZER COM Put 1,630,400 -15.44 53,314 -15.28 n/a n/a n/a
2020-05-01 2020-03-31 13F PFIZER COM Put 1,928,100 95.91 62,933 63.20 n/a n/a n/a
2020-02-14 2019-12-31 13F PFIZER COM Put 984,200 -16.64 38,561 -9.10 n/a n/a n/a
2019-11-14 2019-09-30 13F PFIZER COM Put 1,180,700 92.48 42,422 59.65 n/a n/a n/a
2019-08-14 2019-06-30 13F PFIZER COM Put 613,400 33.15 26,572 35.81 n/a n/a n/a
2019-05-14 2019-03-31 13F PFIZER COM Put 460,700 -64.59 19,566 -65.54 n/a n/a n/a
2019-02-14 2018-12-31 13F PFIZER COM Put 1,300,900 48.47 56,784 47.05 n/a n/a n/a
2018-11-14 2018-09-30 13F PFIZER COM Put 876,200 25.53 38,615 52.49 n/a n/a n/a
2018-08-14 2018-06-30 13F PFIZER COM Put 698,000 1.09 25,323 3.34 n/a n/a n/a
2018-05-15 2018-03-31 13F PFIZER COM Put 690,500 -5.85 24,505 -7.75 n/a n/a n/a
2018-02-14 2017-12-31 13F PFIZER COM Put 733,400 -27.36 26,563 -26.31 n/a n/a n/a
2017-11-14 2017-09-30 13F PFIZER COM Put 1,009,700 159.10 36,047 175.38 n/a n/a n/a
2017-11-14 2017-06-30 13F/A PFIZER COM Put 389,700 -34.69 13,090 -35.87 n/a n/a n/a
2017-08-14 2017-06-30 13F PFIZER COM Put 389,700 13,090 n/a n/a n/a
2017-11-14 2017-03-31 13F/A PFIZER COM Put 596,700 -27.18 20,413 -23.30 n/a n/a n/a
2017-05-12 2017-03-31 13F PFIZER COM Put 596,700 20,413 n/a n/a n/a
2017-02-14 2016-12-31 13F PFIZER COM Put 819,400 65.44 26,614 58.64 n/a n/a n/a
2016-11-14 2016-09-30 13F PFIZER COM Put 495,300 -37.13 16,776 -39.52 n/a n/a n/a
2016-08-12 2016-06-30 13F PFIZER COM Put 787,800 -48.46 27,738 -38.78 n/a n/a n/a
2016-05-12 2016-03-31 13F PFIZER COM Put 1,528,600 -54.65 45,308 -58.36 n/a n/a n/a
2016-02-16 2015-12-31 13F PFIZER COM Put 3,370,500 216.72 108,800 225.49 n/a n/a n/a
2015-11-13 2015-09-30 13F PFIZER COM Put 1,064,200 -22.07 33,427 -27.00 n/a n/a n/a
2015-08-14 2015-06-30 13F PFIZER COM Put 1,365,600 -32.52 45,789 -34.96 n/a n/a n/a
2015-05-14 2015-03-31 13F PFIZER COM Put 2,023,700 -61.13 70,405 -56.59 n/a n/a n/a
2015-02-17 2014-12-31 13F PFIZER COM Put 5,206,600 162,186 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.