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2,931 hedge funds and large institutions have $97.4B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 178 funds opening new positions, 1,283 increasing their positions, 1,201 reducing their positions, and 190 closing their positions.

New
Increased
Maintained
Reduced
Closed

5% more funds holding in top 10

Funds holding in top 10: 4244 (+2)

7% more repeat investments, than reductions

Existing positions increased: 1,283 | Existing positions reduced: 1,201

0.01% more ownership

Funds ownership: 66.25%66.26% (+0.01%)

3% less capital invested

Capital invested by funds: $100B → $97.4B (-$2.71B)

6% less first-time investments, than exits

New positions opened: 178 | Existing positions closed: 190

2% less funds holding

Funds holding: 2,9962,931 (-65)

23% less call options, than puts

Call options by funds: $2.98B | Put options by funds: $3.87B

Holders
2,931
Holders Change
-65
Holders Change %
-2.17%
% of All Funds
39.29%
Holding in Top 10
44
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+4.76%
% of All Funds
0.59%
New
178
Increased
1,283
Reduced
1,201
Closed
190
Calls
$2.98B
Puts
$3.87B
Net Calls
-$897M
Net Calls Change
-$302M
Name Holding Trade Value Shares
Change
Change in
Stake
Qube Research & Technologies (QRT)
51
Qube Research & Technologies (QRT)
United Kingdom
$271M +$280M +10,711,578 New
Susquehanna International Group
52
Susquehanna International Group
Pennsylvania
$270M +$28.9M +1,102,688 +12%
LPL Financial
53
LPL Financial
California
$266M +$14M +533,763 +5%
Envestnet Asset Management
54
Envestnet Asset Management
Illinois
$264M +$32.2M +1,231,296 +13%
Schroder Investment Management Group
55
Schroder Investment Management Group
United Kingdom
$263M +$10.3M +392,805 +4%
Citigroup
56
Citigroup
New York
$262M +$133M +5,098,730 +97%
Mitsubishi UFJ Asset Management
57
Mitsubishi UFJ Asset Management
Japan
$257M +$29.9M +1,143,457 +13%
Assenagon Asset Management
58
Assenagon Asset Management
Luxembourg
$255M +$198M +7,581,030 +308%
Bank of Montreal
59
Bank of Montreal
Ontario, Canada
$248M -$25.4M -969,442 -9%
National Bank of Canada
60
National Bank of Canada
Quebec, Canada
$247M -$47M -1,796,036 -16%
Stifel Financial
61
Stifel Financial
Missouri
$240M +$10.4M +396,784 +4%
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$240M -$5.59M -213,511 -2%
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$230M -$1.47M -56,329 -0.6%
New York State Common Retirement Fund
64
New York State Common Retirement Fund
New York
$215M -$478K -18,274 -0.2%
PNC Financial Services Group
65
PNC Financial Services Group
Pennsylvania
$204M -$10.8M -411,806 -5%
Fidelity International
66
Fidelity International
Bermuda
$199M +$28.3M +1,079,751 +16%
SV
67
Starboard Value
New York
$196M -$200M -7,637,658 -50%
Millennium Management
68
Millennium Management
New York
$189M +$116M +4,420,708 +145%
Robeco Institutional Asset Management
69
Robeco Institutional Asset Management
Netherlands
$188M +$27.6M +1,053,482 +17%
DekaBank Deutsche Girozentrale
70
DekaBank Deutsche Girozentrale
Germany
$183M -$491K -18,753 -0.3%
Canada Life
71
Canada Life
Manitoba, Canada
$182M +$12.4M +474,829 +7%
Squarepoint
72
Squarepoint
New York
$180M +$115M +4,403,532 +162%
Pzena Investment Management
73
Pzena Investment Management
New York
$179M +$2.81M +107,402 +2%
BIP
74
Brandes Investment Partners
California
$179M +$8.95M +341,908 +5%
Citadel Advisors
75
Citadel Advisors
Florida
$178M -$205M -7,838,540 -53%

PFE Hedge Fund Activity: Q1 2025 in Review

2,931 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Pfizer (PFE) for Q1 2025, worth a combined $97.4B — down 2.7% from $100B a quarter earlier.

Sellers outnumbered buyers: 190 funds closed out of PFE and 178 opened new positions — a net loss of 12 holders — while 1,201 trimmed existing stakes and 1,283 added.

The largest buyer was Fisher Asset Management, adding an estimated $950M. The largest seller was Charles Schwab, cutting an estimated $2.81B.

  • 2,931 institutional investors held Pfizer (PFE) as of Q1 2025, down from 2,996 in Q4 2024.
  • Funds reported $97.4B of Pfizer stock for Q1 2025, down 2.7% quarter-over-quarter.
  • 178 funds opened new Pfizer positions in Q1 2025 and 190 closed out, a net change of -12 holders.
  • The largest Pfizer buyer in Q1 2025 was Fisher Asset Management, an estimated $950M added.
  • The largest Pfizer seller in Q1 2025 was Charles Schwab, an estimated $2.81B sold.

Based on aggregated 13F filings for Q1 2025.