2,240 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, 859 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: 859 | Existing positions reduced: 861

7% less funds holding in top 10

Funds holding in top 10: 176163 (-13)

27% less call options, than puts

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

Holders
2,240
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
163
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
1301
$1.58M
1302
$1.57M
1303
$1.56M
1304
$1.56M
1305
$1.56M
1306
$1.55M
1307
$1.55M
1308
$1.55M
1309
$1.55M
1310
$1.55M
1311
$1.55M
1312
$1.55M
1313
$1.54M
1314
$1.54M
1315
$1.54M
1316
$1.54M
1317
$1.53M
1318
$1.53M
1319
$1.52M
1320
$1.52M
1321
$1.52M
1322
$1.52M
1323
$1.51M
1324
$1.51M
1325
$1.5M