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Pfizer Inc

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13F filer, CIK 78003, New York, NY

Pfizer Inc reported $236,464,562 across 18 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-12. Its ten largest share positions make up 95.36% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000078003-26-000013

Period
2025-12-31
Reported value
$236M
Holdings
18
Top 10 weight
95.36%
New
0
Sold out
3

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
BNTXexited-1,658,361-$164M
Tourmaline Bio Incexited-1,272,214-$60.8M
ESSA PHARMA INCexited-1,675,000-$320K
SENSEONICS HLDGS INCreduced-41,255-$228K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0000078003-26-000013, largest first. % of portfolio is the value over $236,464,562, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
ORICORIC PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 5,376,344 shares; 2025Q1: 5,376,344 shares; 2025Q2: 5,376,344 shares; 2025Q3: 5,376,344 shares; 2025Q4: 5,376,344 shares 5,376,344$44M18.6%0Timeline
ARVNARVINAS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 3,457,815 shares; 2025Q1: 3,457,815 shares; 2025Q2: 3,457,815 shares; 2025Q3: 3,457,815 shares; 2025Q4: 3,457,815 shares 3,457,815$41M17.34%0Timeline
CELCCELCUITY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 349,406 shares; 2025Q1: 349,406 shares; 2025Q2: 349,406 shares; 2025Q3: 349,406 shares; 2025Q4: 349,406 shares 349,406$34.8M14.74%0Timeline
WVEWAVE LIFE SCIENCES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 1,875,000 shares; 2025Q1: 1,875,000 shares; 2025Q2: 1,875,000 shares; 2025Q3: 1,875,000 shares; 2025Q4: 1,875,000 shares 1,875,000$31.9M13.48%0Timeline
ALLOALLOGENE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 22,032,040 shares; 2025Q1: 22,032,040 shares; 2025Q2: 22,032,040 shares; 2025Q3: 22,032,040 shares; 2025Q4: 22,032,040 shares 22,032,040$30.2M12.76%0Timeline
ZURAZURA BIO LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 2,970,022 shares; 2025Q1: 2,970,022 shares; 2025Q2: 2,970,022 shares; 2025Q3: 2,970,022 shares; 2025Q4: 2,970,022 shares 2,970,022$15.6M6.58%0Timeline
PYXSPYXIS ONCOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 7,032,770 shares; 2025Q1: 7,032,770 shares; 2025Q2: 7,032,770 shares; 2025Q3: 7,032,770 shares; 2025Q4: 7,032,770 shares 7,032,770$8.09M3.42%0Timeline
CRBUCARIBOU BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 4,690,431 shares; 2025Q1: 4,690,431 shares; 2025Q2: 4,690,431 shares; 2025Q3: 4,690,431 shares; 2025Q4: 4,690,431 shares 4,690,431$7.46M3.15%0Timeline
CRDFCARDIFF ONCOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 2,411,575 shares; 2025Q1: 2,411,575 shares; 2025Q2: 2,411,575 shares; 2025Q3: 2,411,575 shares; 2025Q4: 2,411,575 shares 2,411,575$6.78M2.87%0Timeline
BHVNBIOHAVEN LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 505,645 shares; 2025Q1: 505,645 shares; 2025Q2: 505,645 shares; 2025Q3: 505,645 shares; 2025Q4: 505,645 shares 505,645$5.71M2.41%0Timeline
SPROSPERO THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 2,362,348 shares; 2025Q1: 2,362,348 shares; 2025Q2: 2,362,348 shares; 2025Q3: 2,362,348 shares; 2025Q4: 2,362,348 shares 2,362,348$5.5M2.33%0Timeline
NXTCNEXTCURE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 157,646 shares; 2025Q4: 157,646 shares 157,646$2.24M0.95%0Timeline
ZNTLZENTALIS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 953,834 shares; 2025Q1: 953,834 shares; 2025Q2: 953,834 shares; 2025Q3: 953,834 shares; 2025Q4: 953,834 shares 953,834$1.29M0.54%0Timeline
QTTBQ32 BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 277,777 shares; 2025Q1: 277,777 shares; 2025Q2: 277,777 shares; 2025Q3: 277,777 shares; 2025Q4: 277,777 shares 277,777$922K0.39%0Timeline
ANTXAN2 THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 715,295 shares; 2025Q1: 715,295 shares; 2025Q2: 715,295 shares; 2025Q3: 715,295 shares; 2025Q4: 715,295 shares 715,295$815K0.34%0Timeline
BOLTBOLT BIOTHERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 31,305 shares; 2025Q3: 31,305 shares; 2025Q4: 31,305 shares 31,305$171K0.07%0Timeline
DNAGINKGO BIOWORKS HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 2,928 shares; 2025Q1: 2,928 shares; 2025Q2: 2,928 shares; 2025Q3: 2,928 shares; 2025Q4: 2,928 shares 2,928$24.3K0.01%0Timeline
SENSEONICS HLDGS INCSENSEONICS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 43,426 shares; 2025Q1: 43,426 shares; 2025Q2: 43,426 shares; 2025Q3: 43,426 shares; 2025Q4: 2,171 shares 2,171$12K0.01%-41,255

Sold out in Q4 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
BNTXBIONTECH SE1,658,361$164Mshares
Tourmaline Bio IncTourmaline Bio Inc1,272,214$60.8Mshares
ESSA PHARMA INCESSA PHARMA INC1,675,000$320Kshares

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000078003-26-000013 base2026-02-12acceptance time not in the bulk data set