# Pfizer Inc

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 78003. Source: https://holderbook.com/funds/78003-pfizer-inc/

- Reported value: $170.4M
- Positions: 17
- Weight of the ten largest: 95.8%
- Filed: 2026-08-13

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| ALLOGENE THERAPEUTICS INC | [ALLO](https://holderbook.com/stocks/ALLO/) | $46.9M | 22,032,040 | 27.5% | 7 |
| CELCUITY INC | [CELC](https://holderbook.com/stocks/CELC/) | $29.6M | 295,652 | 17.3% | 7 |
| ARVINAS INC | [ARVN](https://holderbook.com/stocks/ARVN/) | $27.7M | 3,457,815 | 16.2% | 7 |
| PYXIS ONCOLOGY INC | [PYXS](https://holderbook.com/stocks/PYXS/) | $19.5M | 7,032,770 | 11.4% | 7 |
| WAVE LIFE SCIENCES LTD | [WVE](https://holderbook.com/stocks/WVE/) | $10.9M | 1,875,000 | 6.4% | 7 |
| BIOHAVEN LTD | [BHVN](https://holderbook.com/stocks/BHVN/) | $8.0M | 505,645 | 4.7% | 7 |
| CARIBOU BIOSCIENCES INC | [CRBU](https://holderbook.com/stocks/CRBU/) | $7.9M | 4,690,431 | 4.6% | 7 |
| SPERO THERAPEUTICS INC | [SPRO](https://holderbook.com/stocks/SPRO/) | $5.3M | 2,362,348 | 3.1% | 7 |
| ZENTALIS PHARMACEUTICALS INC | [ZNTL](https://holderbook.com/stocks/ZNTL/) | $3.9M | 953,834 | 2.3% | 7 |
| ORIC PHARMACEUTICALS INC | [ORIC](https://holderbook.com/stocks/ORIC/) | $3.6M | 372,904 | 2.1% | 7 |
| CARDIFF ONCOLOGY INC | [CRDF](https://holderbook.com/stocks/CRDF/) | $3.0M | 2,411,575 | 1.8% | 7 |
| ZURA BIO LTD | [ZURA](https://holderbook.com/stocks/ZURA/) | $2.9M | 538,841 | 1.7% | 7 |
| AGOMAB THERAPEUTICS NV | [AGMB](https://holderbook.com/stocks/AGMB/) | $1.0M | 75,000 | 0.6% | 2 |
| BOLT BIOTHERAPEUTICS INC | [BOLT](https://holderbook.com/stocks/BOLT/) | $133.8K | 31,305 | 0.1% | 5 |
| NEXTCURE INC | [NXTC](https://holderbook.com/stocks/NXTC/) | $73.0K | 44,347 | 0.0% | 4 |
| GINKGO BIOWORKS HOLDINGS INC | [DNA](https://holderbook.com/stocks/DNA/) | $30.0K | 2,928 | 0.0% | 7 |
| SENSEONICS HLDGS INC | [SENS](https://holderbook.com/stocks/SENS/) | $12.4K | 2,171 | 0.0% | 7 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | -6.3% | +14.8% | -21.2% | 106% |
| Q1 2026 | +14.6% | -4.6% | +19.2% | 100% |
| Q4 2025 | +4.8% | +2.4% | +2.4% | 86% |
| Q3 2025 | +10.2% | +7.8% | +2.3% | 100% |
| Q2 2025 | +15.1% | +10.5% | +4.6% | 100% |
| Q1 2025 | -1.5% | -4.6% | +3.1% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $170.4M | 17 |
| Q1 2026 | $238.8M | 18 |
| Q4 2025 | $236.5M | 18 |
| Q3 2025 | $437.5M | 21 |
| Q2 2025 | $576.2M | 21 |
| Q1 2025 | $500.8M | 21 |
| Q4 2024 | $2.6B | 23 |