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
1426
$1.25M
1427
$1.25M
1428
$1.25M
1429
$1.25M
1430
$1.24M
1431
$1.24M
1432
$1.24M
1433
$1.23M
1434
$1.22M
1435
$1.22M
1436
$1.22M
1437
$1.22M
1438
$1.22M
1439
$1.22M
1440
$1.22M
1441
$1.22M
1442
$1.21M
1443
$1.21M
1444
$1.21M
1445
$1.21M
1446
$1.21M
1447
$1.2M
1448
$1.2M
1449
$1.19M
1450
$1.19M