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MRKMRK
19 quarters

Position history for Parallax Volatility Advisers, L.P.Parallax Volatility Advisers, L.P.'s holdings in MERCK & CO. INC.

Parallax Volatility Advisers, L.P. holds 116,081 shares of MRK (MERCK & CO. INC.), worth $14.9M as of 2026-Q2. The position was decreased (-1.4% shares). MRK represents 0.0% of Parallax Volatility Advisers, L.P.'s portfolio.

Current Value

$14.9M

Current Shares

116,081

Total Value Change

-$68.8M

Total Shares Change

-979,301

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
116,081
-1.4%
$14.9M0.0%$128.50
0
2026-Q1
Increased
117,704
+182.3%
$13.2M0.0%$119.83
45
2025-Q4
New
41,697
-
$4.4M0.0%$106.06
37
2025-Q3
Exited
0
-100.0%
$00.0%$77.91
0
2025-Q2
New
12,317
-
$975,0140.0%$77.66
35
2025-Q1
Exited
0
-100.0%
$00.0%$86.74
0
2024-Q4
New
8,517
-
$847,2710.0%$94.81
34
2021-Q3
Exited
0
-100.0%
$00.0%$65.77
0
2021-Q2
Decreased
13,042
-91.9%
$1M0.0%$67.03
0
2021-Q1
Decreased
161,486
-40.4%
$12.4M0.0%$63.21
0
2020-Q4
Decreased
270,822
-36.5%
$22.2M0.0%$65.61
0
2020-Q3
Increased
426,562
+65.0%
$35.4M0.0%$66.16
42
2020-Q2
Decreased
258,573
-21.6%
$20M0.0%$61.04
0
2020-Q1
Increased
329,994
+82.0%
$25.4M0.0%$61.22
44
2019-Q4
Increased
181,285
+101.9%
$16.5M0.0%$71.83
46
2019-Q3
Decreased
89,772
-7.6%
$7.6M0.0%$64.98
0
2019-Q2
Decreased
97,166
-79.5%
$8.1M0.0%$65.28
0
2019-Q1
Decreased
475,016
-56.6%
$39.5M0.0%$64.32
0
2018-Q4
New
1.1M
-
$83.7M0.1%$57.90
49

Other major holders of MRK: BNP PARIBAS FINANCIAL MARKETS, BlackRock, Inc., Steward Partners Investment Advisory, LLC, VANGUARD GROUP INC, BlackRock Finance, Inc.

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