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2,962 hedge funds and large institutions have $106B invested in Pfizer in 2026 Q1 according to their latest regulatory filings, with 257 funds opening new positions, 1,310 increasing their positions, 1,089 reducing their positions, and 170 closing their positions.

New
Increased
Maintained
Reduced
Closed

52% more funds holding in top 10

Funds holding in top 10: 31 → 47 (+16)

51% more first-time investments, than exits

New positions opened: 257 | Existing positions closed: 170

20% more repeat investments, than reductions

Existing positions increased: 1,310 | Existing positions reduced: 1,089

15% more call options, than puts

Call options by funds: $3.08B | Put options by funds: $2.68B

14% more capital invested

Capital invested by funds: $92.9B → $106B (+$12.7B)

1% more funds holding

Funds holding: 2,920 → 2,962 (+42)

0.56% more ownership

Funds ownership: 65.59% → 66.15% (+0.56%)

Holders
2,962
Holders Change
+42
Holders Change %
+1.44%
% of All Funds
36.09%
Holding in Top 10
47
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+51.61%
% of All Funds
0.57%
New
257
Increased
1,310
Reduced
1,089
Closed
170
Calls
$3.08B
Puts
$2.68B
Net Calls
+$400M
Net Calls Change
+$993M

PFE Hedge Fund Activity: Q1 2026 in Review

2,962 of the 8,207 institutional investors tracked by Wall St. Rank reported a position in Pfizer (PFE) for Q1 2026, worth a combined $106B — up 14% from $92.9B a quarter earlier.

Buyers outnumbered sellers: 257 funds opened new PFE positions and 170 closed out — a net gain of 87 holders — while 1,310 added to existing stakes and 1,089 trimmed.

The largest buyer was Fisher Asset Management, adding an estimated $1.41B. The largest seller was BNP Paribas Financial Markets, cutting an estimated $176M.

  • 2,962 institutional investors held Pfizer (PFE) as of Q1 2026, up from 2,920 in Q4 2025.
  • Funds reported $106B of Pfizer stock for Q1 2026, up 14% quarter-over-quarter.
  • 257 funds opened new Pfizer positions in Q1 2026 and 170 closed out, a net change of +87 holders.
  • The largest Pfizer buyer in Q1 2026 was Fisher Asset Management, an estimated $1.41B added.
  • The largest Pfizer seller in Q1 2026 was BNP Paribas Financial Markets, an estimated $176M sold.

Based on aggregated 13F filings for Q1 2026.