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Sabby Management Portfolio holdings

AUM $45.1M
1-Year Est. Return 74.25%
This Fund
S&P 500
This Quarter Est. Return
-4.53%
1 Year Est. Return
-74.25%
3 Year Est. Return
-95.86%
5 Year Est. Return
-99.36%
10 Year Est. Return
-99.46%
AUM
$1.57B
AUM Growth
+$29.7M
Cap. Flow
-$123M
Cap. Flow %
-7.84%
Top 10 Hldgs %
52.92%
Holding
277
New
83
Increased
54
Reduced
60
Closed
62

Top Buys

Rank Stock Value
1
TEVA icon
Teva Pharmaceuticals
TEVA
+$17.2M
2
MNKD icon
MannKind Corp
MNKD
+$15.2M
3
ABUS icon
Arbutus Biopharma
ABUS
+$4.32M
4
TWTR
Twitter, Inc.
TWTR
+$3.59M
5
ACAD icon
Acadia Pharmaceuticals
ACAD
+$3.08M

Top Sells

Rank Stock Value
1
VRTX icon
Vertex Pharmaceuticals
VRTX
+$23.5M
2
AEGR
Aegerion Pharmaceuticals
AEGR
+$10.9M
3
GILD icon
Gilead Sciences
GILD
+$5.35M
4
AGEN
Agenus
AGEN
+$4.63M
5
NWBO
Northwest Biotherapeutics, Inc. Common stock
NWBO
+$3.79M

Sector Composition

Rank Sector Weight
1 Healthcare 9.13%
2 Communication Services 0.29%
3 Materials 0.04%
4 Financials 0%
5 Technology 0%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MDVN
276
CALL
DELISTED
MEDIVATION, INC.
MDVN
– –
-2,290
Closed -$6.86M
RPRX
277
DELISTED
Repros Therapeutics Inc.
RPRX
– –
-147,783
Closed -$2.79M
8 9 10 11
12

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Sabby Management's Q4 2013 Portfolio in Review

As of Q4 2013, Sabby Management held 277 positions worth $1.57B, up 1.9% from $1.54B the previous quarter. Its ten largest holdings account for 53% of the portfolio.

Sabby Management withdrew a net $123M in Q4 2013, closing 62 positions and reducing 60 holdings. Its most notable exit was Vertex Pharmaceuticals, an estimated $23.5M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 9.1% of assets, down from 10% a quarter earlier, followed by Communication Services and Materials.

Against the trend, Sabby Management opened a new position in Arbutus Biopharma worth $4.14M.

  • Sabby Management's largest Q4 2013 buy was Arbutus Biopharma: 519,200 shares worth $4.14M.
  • Sabby Management added most to Teva Pharmaceuticals in Q4 2013, an estimated $17.2M increase.
  • Sabby Management's biggest Q4 2013 reduction was Aegerion Pharmaceuticals, cutting an estimated $10.9M.
  • Sabby Management fully exited Vertex Pharmaceuticals in Q4 2013, selling an estimated $23.5M.
  • Sabby Management's ten largest holdings make up 53% of its $1.57B portfolio in Q4 2013.
  • Sabby Management opened 83 new positions and closed 62 in Q4 2013.
  • Sabby Management's portfolio value rose 1.9% quarter-over-quarter to $1.57B.

Based on Sabby Management's 13F filing for Q4 2013, filed 14 Feb 2014.