2,239 hedge funds and large institutions have $154B invested in Pfizer in 2017 Q4 according to their latest regulatory filings, with 282 funds opening new positions, 858 increasing their positions, 861 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

0% less repeat investments, than reductions

Existing positions increased: 858 | Existing positions reduced: 861

7% less funds holding in top 10

Funds holding in top 10: 175162 (-13)

27% less call options, than puts

Call options by funds: $937M | Put options by funds: $1.28B

Holders
2,239
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
162
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$937M
Puts
$1.28B
Net Calls
Net Calls Change

Top Buyers

1 +$441M
2 +$414M
3 +$310M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$289M
5
Bank of New York Mellon
Bank of New York Mellon
New York
+$273M

Top Sellers

1 -$595M
2 -$437M
3 -$261M
4
Citadel Advisors
Citadel Advisors
Florida
-$244M
5
Renaissance Technologies
Renaissance Technologies
New York
-$167M
Name Holding Trade Value Shares
Change
Change in
Stake
2126
$180K
2127
$176K
2128
$173K
2129
$169K
2130
$168K
2131
$166K
2132
$165K
2133
$163K
2134
$149K
2135
$149K
2136
$148K
2137
$142K
2138
$136K
2139
$135K
2140
$134K
2141
$131K
2142
$131K
2143
$128K
2144
$127K
2145
$126K
2146
$119K
2147
$118K
2148
$118K
2149
$116K
2150
$112K