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2,952 hedge funds and large institutions have $106B invested in Pfizer in 2026 Q1 according to their latest regulatory filings, with 256 funds opening new positions, 1,303 increasing their positions, 1,088 reducing their positions, and 167 closing their positions.

New
Increased
Maintained
Reduced
Closed

53% more first-time investments, than exits

New positions opened: 256 | Existing positions closed: 167

52% more funds holding in top 10

Funds holding in top 10: 3147 (+16)

20% more repeat investments, than reductions

Existing positions increased: 1,303 | Existing positions reduced: 1,088

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: $93B → $106B (+$12.6B)

1% more funds holding

Funds holding: 2,9132,952 (+39)

0.46% more ownership

Funds ownership: 65.68%66.15% (+0.46%)

Holders
2,952
Holders Change
+39
Holders Change %
+1.34%
% of All Funds
36.12%
Holding in Top 10
47
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+51.61%
% of All Funds
0.58%
New
256
Increased
1,303
Reduced
1,088
Closed
167
Calls
$3.08B
Puts
$2.68B
Net Calls
+$400M
Net Calls Change
+$993M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Personalized Indexing Management
351
Vanguard Personalized Indexing Management
California
$16.8M +$1.91M +71,903 +14%
Adage Capital Partners
352
Adage Capital Partners
Massachusetts
$16.8M -$48.1M -1,808,379 -75%
AC
353
Allstate Corporation
Illinois
$16.7M +$4.72M +177,142 +42%
Group One Trading
354
Group One Trading
Illinois
$16.6M +$11.5M +432,806 +271%
PFPG
355
Pinnacle Financial Partners (Georgia)
Georgia
$16.6M +$540K +20,296 +4%
GI
356
GAMCO Investors
Connecticut
$16.6M +$248K +9,303 +2%
KRS
357
Kentucky Retirement Systems
Kentucky
$16.4M +$4.75M +178,402 +50%
AF
358
Avanza Fonder
Sweden
$16.4M -$86.6K -3,251 -0.6%
Northwestern Mutual Wealth Management
359
Northwestern Mutual Wealth Management
Wisconsin
$16.3M -$349K -13,119 -2%
DIA
360
Davidson Investment Advisors
Montana
$16.2M +$550K +20,649 +4%
SDJVC
361
St. Denis J. Villere & Co
Louisiana
$16.1M +$1.88M +70,613 +14%
EMPI
362
Elo Mutual Pension Insurance
Finland
$16.1M -$5.94M -222,996 -28%
SS
363
SBI Securities
Japan
$16M +$515K +19,329 +4%
YCM
364
Yousif Capital Management
Michigan
$15.8M -$340K -12,770 -2%
CA
365
Callahan Advisors
Texas
$15.8M -$1.74M -65,185 -10%
QOP
366
Quinn Opportunity Partners
Virginia
$15.8M
LP
367
Longaeva Partners
Illinois
$15.7M +$14.9M +560,615 New
CIC
368
Canal Insurance Company
South Carolina
$15.7M
MGP
369
M&G plc
United Kingdom
$15.3M -$812K -30,507 -5%
SBCM
370
Schwerin Boyle Capital Management
Massachusetts
$15.3M -$1.09M -40,925 -7%
IMRF
371
Illinois Municipal Retirement Fund
Illinois
$15.2M -$1.33M -49,920 -8%
SGK
372
Steigerwald Gordon & Koch
Virginia
$14.6M +$184K +6,924 +1%
CWP
373
Cyndeo Wealth Partners
Florida
$14.5M +$11.1M +415,587 +411%
CC
374
Centiva Capital
New York
$14.5M +$6.47M +243,137 +89%
ECM
375
Evergreen Capital Management
Washington
$14.4M +$73.9K +2,776 +0.5%

PFE Hedge Fund Activity: Q1 2026 in Review

2,952 of the 8,172 institutional investors tracked by Wall St. Rank reported a position in Pfizer (PFE) for Q1 2026, worth a combined $106B — up 14% from $93B a quarter earlier.

Buyers outnumbered sellers: 256 funds opened new PFE positions and 167 closed out — a net gain of 89 holders — while 1,303 added to existing stakes and 1,088 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.

  • 2,952 institutional investors held Pfizer (PFE) as of Q1 2026, up from 2,913 in Q4 2025.
  • Funds reported $106B of Pfizer stock for Q1 2026, up 14% quarter-over-quarter.
  • 256 funds opened new Pfizer positions in Q1 2026 and 167 closed out, a net change of +89 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.