Vault-13

OAK STR HEALTH INC

COM · Common Stock · CUSIP 67181A107 · ISIN US67181A1079

277 institutional holders +59 vs Q4 2022
221,443,097221.4m shares reported held*
$8.4bnreported value*
113 new 64 added 72 reduced 51 sold out net sold ≈ $646.4m (-11.7m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($10.9m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $37.77. Options: 24 managers hold calls ($127.3m notional), 25 hold puts ($88.3m).

Trends to Q1 2023

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 219Q4 22: 218Q1 23: 277277Q3 22Q4 22Q1 23
Numbers
QuarterHolders
Q3 2022219
Q4 2022218
Q1 2023277

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 22: 103 bought or addedQ4 22: 114 cut or sold outQ4 22Q1 23: 177 bought or addedQ1 23: 123 cut or sold outQ1 23
Numbers
QuarterBought or addedCut or sold out
Q4 2022103114
Q1 2023177123

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50m$100m$150mQ3 22 calls: $140.9mQ3 22 puts: $22.0mQ3 22P/C 0.16Q4 22 calls: $50.5mQ4 22 puts: $24.9mQ4 22P/C 0.49Q1 23 calls: $127.3mQ1 23 puts: $88.3mQ1 23P/C 0.69
Numbers
QuarterCallsPutsP/C
Q3 2022$140.9m$22.0m0.16
Q4 2022$50.5m$24.9m0.49
Q1 2023$127.3m$88.3m0.69

Biggest buyers

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) New +6,537,297+6.5m
HBK INVESTMENTS L P New +5,001,504+5.0m
Pentwater Capital Management LP New +4,172,100+4.2m
TIG Advisors, LLC New +3,965,453+4.0m
DEUTSCHE BANK AG\ Added +2,782,840+2.8m
ALPINE ASSOCIATES MANAGEMENT INC. New +2,753,500+2.8m
FIL Ltd New +2,557,000+2.6m
PSquared Asset Management AG New +1,900,000+1.9m
Westchester Capital Management, LLC New +1,862,184+1.9m
Magnetar Financial LLC New +1,747,344+1.7m

Biggest sellers

FMR LLC Reduced -24,148,083-24.1m
Capital Research Global Investors Reduced -14,053,946-14.1m
MAVERICK CAPITAL LTD Sold out -5,413,420-5.4m
Route One Investment Company, L.P. Reduced -4,985,836-5.0m
EMINENCE CAPITAL, LP Sold out -3,587,928-3.6m
Holocene Advisors, LP Reduced -3,316,162-3.3m
WELLINGTON MANAGEMENT GROUP LLP Reduced -2,916,442-2.9m
SCOPIA CAPITAL MANAGEMENT LP Reduced -2,661,586-2.7m
RIVERBRIDGE PARTNERS LLC Reduced -2,580,902-2.6m
Spyglass Capital Management LLC Sold out -2,498,841-2.5m

Biggest calls

JANE STREET GROUP, LLC Added $23.9m617.4k shares
Twin Tree Management, LP Unchanged $22.0m567.6k shares
GROUP ONE TRADING LLC Added $15.7m405.8k shares
MILLENNIUM MANAGEMENT LLC New $15.5m400.0k shares
CITADEL ADVISORS LLC Reduced $14.0m361.4k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $12.9m333.2k shares
SIMPLEX TRADING, LLC Added $6.5m168.9k shares
Maven Securities LTD New $2.1m55.3k shares
JPMORGAN CHASE & CO Added $2.1m54.1k shares
NOMURA HOLDINGS INC New $1.9m50.1k shares

Biggest puts

Antara Capital LP New $21.7m560.0k shares
GROUP ONE TRADING LLC Added $14.8m382.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $12.0m310.4k shares
Centiva Capital, LP New $7.2m185.0k shares
CITADEL ADVISORS LLC Reduced $3.9m101.0k shares
SIMPLEX TRADING, LLC Reduced $3.9m101.0k shares
JANE STREET GROUP, LLC Added $3.6m93.2k shares
Walleye Capital LLC New $2.6m68.0k shares
JPMORGAN CHASE & CO New $2.5m64.6k shares
BERKLEY W R CORP New $2.3m59.6k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Holders, Q1 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 GENERAL ATLANTIC, L.P. 27.58% of their portfolio New York, NY 61,384,47561.4m $2.4bn $2.4bn 27.58% Unchanged
2 Newlight Partners LP 84.94% of their portfolio NEW YORK, NY 32,550,26532.6m $1.3bn $1.3bn 84.94% Unchanged
3 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 12,167,08712.2m $470.6m $470.6m 0.01% Added +169.3k +169,273
4 Capital World Investors 0.07% of their portfolio LOS ANGELES, CA 9,360,6769.4m $362.1m $362.1m 0.07% Added +3.0k +2,990
5 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.60% of their portfolio CHICAGO, IL 6,537,2976.5m $25.3m $25.3m 0.60% New
6 HBK INVESTMENTS L P 7.01% of their portfolio DALLAS, TX 5,001,5045.0m $193.5m $193.5m 7.01% New
7 BlackRock Inc. 0.01% of their portfolio New York, NY 4,900,7214.9m $189.6m $189.6m 0.01% Reduced -12.9k -12,925
8 Capital International Investors 0.05% of their portfolio Los Angeles, CA 4,852,4694.9m $187.7m $187.7m 0.05% Reduced -747.8k -747,770
9 FARALLON CAPITAL MANAGEMENT, L.L.C. 1.06% of their portfolio SAN FRANCISCO, CA 4,503,0764.5m $174.2m $174.2m 1.06% Not comparable
10 Pentwater Capital Management LP 2.68% of their portfolio Naples, FL 4,172,1004.2m $161.4m $161.4m 2.68% New
11 TIG Advisors, LLC 11.95% of their portfolio New York, NY 3,965,4534.0m $153.4m $153.4m 11.95% New
12 DEUTSCHE BANK AG\ 0.07% of their portfolio FRANKFURT AM MAIN, 2M 3,166,2523.2m $122.5m $122.5m 0.07% Added +2.8m +2,782,840
13 ALPINE ASSOCIATES MANAGEMENT INC. 5.69% of their portfolio PALM BEACH, FL 2,753,5002.8m $106.5m $106.5m 5.69% New
14 FIL Ltd 0.11% of their portfolio HAMILTON, D0 2,557,0002.6m $98.9m $98.9m 0.11% New
15 Capital Research Global Investors 0.03% of their portfolio Los Angeles, CA 2,269,0012.3m $87.8m $87.8m 0.03% Reduced -14.1m -14,053,946
16 Route One Investment Company, L.P. 2.96% of their portfolio San Francisco, CA 1,931,4511.9m $74.7m $74.7m 2.96% Reduced -5.0m -4,985,836
17 PSquared Asset Management AG 10.57% of their portfolio ZURICH, V8 1,900,0001.9m $73.5m $73.5m 10.57% New
18 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,863,6941.9m $72.1m $72.1m 0.00% Added +23.8k +23,773
19 Westchester Capital Management, LLC 2.30% of their portfolio VALHALLA, NY 1,862,1841.9m $72.0m $72.0m 2.30% New
20 Magnetar Financial LLC 1.32% of their portfolio EVANSTON, IL 1,747,3441.7m $67.6m $67.6m 1.32% New
21 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 1,660,6171.7m $64.2m $64.2m 0.01% Reduced -216.5k -216,549
22 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 1,615,4361.6m $62.5m $62.5m 0.01% Added +53.3k +53,262
23 CITADEL ADVISORS LLC 0.07% of their portfolio MIAMI, FL 1,587,3711.6m $61.4m $61.4m 0.07% Reduced -226.0k -226,037
24 DAVIDSON KEMPNER PARTNERS 1.52% of their portfolio New York, NY 1,579,3791.6m $61.1m $61.1m 1.52% First filing
25 Davidson Kempner Capital Management LP 1.27% of their portfolio New York, NY 1,579,3791.6m $61.1m $61.1m 1.27% New
26 Schonfeld Strategic Advisors LLC 0.54% of their portfolio NEW YORK, NY 1,462,0751.5m $56.6m $56.6m 0.54% Added +1.4m +1,410,651
27 JPMORGAN CHASE & CO 0.01% of their portfolio NEW YORK, NY 1,443,6481.4m $55.8m $55.8m 0.01% Added +1.4m +1,373,687
28 GABELLI FUNDS LLC 0.39% of their portfolio Rye, NY 1,326,9711.3m $51.3m $51.3m 0.39% New
29 GLAZER CAPITAL, LLC 2.76% of their portfolio New York, NY 1,305,8651.3m $50.5m $50.5m 2.76% New
30 First Trust Capital Management L.P. 2.11% of their portfolio CHICAGO, IL 1,265,0001.3m $48.9m $48.9m 2.11% New
31 KRYGER CAPITAL Ltd 8.21% of their portfolio LONDON, X0 1,215,2701.2m $47.0m $47.0m 8.21% New
32 BARCLAYS PLC 0.05% of their portfolio LONDON, X0 1,124,3361.1m $43.5m $43.5m 0.05% Added +682.8k +682,778
33 ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio NASHVILLE, TN 1,086,1691.1m $42.0m $42.0m 0.02% Added +1.0m +1,039,759
34 NEXPOINT ASSET MANAGEMENT, L.P. 4.46% of their portfolio Dallas, TX 1,063,7411.1m $41.1m $41.1m 4.46% New
35 Redmile Group, LLC 1.78% of their portfolio LARKSPUR, CA 1,061,2951.1m $41.1m $41.1m 1.78% Reduced -359.3k -359,322
36 Man Group plc 0.15% of their portfolio LONDON, X0 1,060,7961.1m $41.0m $41.0m 0.15% New
37 SCHRODER INVESTMENT MANAGEMENT GROUP 0.06% of their portfolio London, X0 1,024,5821.0m $39.6m $39.6m 0.06% Reduced -105.6k -105,564
38 AQR Arbitrage LLC 1.19% of their portfolio Greenwich, CT 1,004,5981.0m $38.9m $38.9m 1.19% New
39 NORGES BANK 0.01% of their portfolio OSLO, Q8 964,038964.0k $37.3m $37.3m 0.01% Added +144.0k +143,965
40 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 907,833907.8k $35.1m $35.1m 0.00% Added +334.5k +334,491
41 MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio NEW YORK, NY 845,034845.0k $32.7m $32.7m 0.04% Reduced -426.6k -426,558
42 New York Life Investment Management LLC 0.33% of their portfolio New York, NY 773,899773.9k $29.9m $29.9m 0.33% New
43 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 717,003717.0k $27.7m $27.7m 0.01% Reduced -64.8k -64,800
44 Sand Grove Capital Management LLP 4.10% of their portfolio LONDON, X0 688,813688.8k $26.6m $26.6m 4.10% New
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 688,406688.4k $26.6m $26.6m 0.01% Added +8.7k +8,685
46 GABELLI & Co INVESTMENT ADVISERS, INC. 4.97% of their portfolio Rye, NY 669,200669.2k $25.9m $25.9m 4.97% New
47 BANK OF NOVA SCOTIA 0.08% of their portfolio TORONTO, A6 667,191667.2k $25.8m $25.8m 0.08% New
48 WATER ISLAND CAPITAL LLC 1.93% of their portfolio NEW YORK, NY 613,951614.0k $23.7m $23.7m 1.93% New
49 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 612,300612.3k $23.7m $23.7m 0.00% Added +6.3k +6,332
50 CANADA PENSION PLAN INVESTMENT BOARD 0.04% of their portfolio TORONTO ONTARIO, A6 612,100612.1k $23.7m $23.7m 0.04% Added +569.4k +569,400
51 Ergoteles LLC 0.90% of their portfolio NEW YORK, NY 595,238595.2k $23.0m $23.0m 0.90% New
52 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.13% of their portfolio TORONTO, A6 585,390585.4k $22.6m $22.6m 0.13% New
53 Versor Investments LP 2.52% of their portfolio New York, NY 495,964496.0k $19.2m $19.2m 2.52% Added +481.7k +481,720
54 UBS Group AG 0.01% of their portfolio ZURICH, V8 478,200478.2k $18.5m $18.5m 0.01% Added +413.7k +413,724
55 Allianz Asset Management GmbH 0.04% of their portfolio MUNICH, 2M 474,620474.6k $18.4m $18.4m 0.04% New
56 CITIGROUP INC 0.02% of their portfolio NEW YORK, NY 451,221451.2k $17.5m $17.5m 0.02% Added +434.5k +434,486
57 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 434,740434.7k $16.8m $16.8m 0.00% Reduced -27.7k -27,734
58 HSBC HOLDINGS PLC 0.02% of their portfolio LONDON, X0 405,870405.9k $15.7m $15.7m 0.02% Added +360.4k +360,351
59 1832 Asset Management L.P. 0.03% of their portfolio TORONTO, A6 393,430393.4k $15.2m $15.2m 0.03% Reduced -62.3k -62,340
60 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.03% of their portfolio Boston, MA 388,085388.1k $15.0m $15.0m 0.03% New
61 Chicago Capital Management, LLC 16.19% of their portfolio CHICAGO, IL 381,252381.3k $14.7m $14.7m 16.19% New
62 PICTON MAHONEY ASSET MANAGEMENT 0.74% of their portfolio Toronto, A6 375,000375.0k $14.5m $14.5m 0.74% New
63 DIVERSIFIED TRUST CO 0.53% of their portfolio MEMPHIS, TN 355,071355.1k $13.7m $13.7m 0.53% Added +5 +5
64 C WorldWide Group Holding A/S 0.19% of their portfolio COPENHAGEN, G7 354,933354.9k $13.7m $13.7m 0.19% Reduced -350.0k -350,000
65 NATIXIS 0.13% of their portfolio PARIS, I0 350,246350.2k $13.5m $13.5m 0.13% New
66 Trium Capital LLP 5.53% of their portfolio LONDON, X0 338,197338.2k $13.1m $13.1m 5.53% New
67 JANUS HENDERSON GROUP PLC 0.01% of their portfolio LONDON, X0 320,054320.1k $12.4m $12.4m 0.01% Added +300.4k +300,434
68 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 305,238305.2k $11.8m $11.8m 0.00% Reduced -3.3k -3,318
69 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio BALA CYNWYD, PA 303,297303.3k $11.7m $11.7m 0.02% Added +291.6k +291,601
70 STATE OF WISCONSIN INVESTMENT BOARD 0.03% of their portfolio MADISON, WI 302,131302.1k $11.7m $11.7m 0.03% Added +198.7k +198,688
71 CapWealth Advisors, LLC 1.45% of their portfolio FRANKLIN, TN 300,272300.3k $11.6m $11.6m 1.45% Unchanged
72 CREDIT SUISSE AG/ 0.01% of their portfolio ZURICH, V8 295,276295.3k $11.4m $11.4m 0.01% Added +201.8k +201,789
73 HARVEST MANAGEMENT LLC 10.01% of their portfolio New York, NY 284,800284.8k $11.0m $11.0m 10.01% New
74 Qube Research & Technologies Ltd 0.06% of their portfolio LONDON, X0 275,470275.5k $10.7m $10.7m 0.06% New
75 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 269,532269.5k $10.4m $10.4m 0.00% Reduced -189.2k -189,175
76 Grantham, Mayo, Van Otterloo & Co. LLC 0.05% of their portfolio Boston, MA 263,304263.3k $10.2m $10.2m 0.05% New
77 TOKIO MARINE ASSET MANAGEMENT CO LTD 0.70% of their portfolio Tokyo, M0 259,900259.9k $10.1m $10.1m 0.70% New
78 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.23% of their portfolio BALA CYNWYD, PA 258,599258.6k $10.0m $10.0m 0.23% Unchanged
79 PEREGRINE CAPITAL MANAGEMENT LLC 0.28% of their portfolio MINNEAPOLIS, MN 252,037252.0k $9.7m $9.7m 0.28% Added +7.6k +7,639
80 MARSHALL WACE, LLP 0.02% of their portfolio LONDON, X0 241,395241.4k $9.3m $9.3m 0.02% New
81 Swiss National Bank 0.01% of their portfolio ZURICH, V8 236,000236.0k $9.1m $9.1m 0.01% Reduced -26.3k -26,300
82 PRELUDE CAPITAL MANAGEMENT, LLC 0.62% of their portfolio NEW YORK, NY 234,185234.2k $9.1m $9.1m 0.62% Reduced -73.7k -73,668
83 GARDNER LEWIS ASSET MANAGEMENT L P 3.16% of their portfolio CHADDS FORD, PA 231,226231.2k $8.9m $8.9m 3.16% New
84 Capital Group Private Client Services, Inc. 0.11% of their portfolio Los Angeles, CA 229,544229.5k $8.9m $8.9m 0.11% Added +42.0k +41,950
85 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 224,567224.6k $8.7m $8.7m 0.00% Added +187.7k +187,650
86 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 219,783219.8k $8.5m $8.5m 0.00% Reduced -11.7k -11,676
87 Ellevest, Inc. 0.65% of their portfolio NEW YORK, NY 215,302215.3k $8.3m $8.3m 0.65% Reduced -4.4k -4,383
88 Crabel Capital Management, LLC 3.64% of their portfolio MILWAUKEE, WI 212,224212.2k $8.2m $8.2m 3.64% New
89 California Public Employees Retirement System 0.01% of their portfolio Sacramento, CA 212,072212.1k $8.2m $8.2m 0.01% New
90 FNY Investment Advisers, LLC 9.43% of their portfolio NEW YORK, NY 211,646211.6k $8.2m $8.2m 9.43% New
91 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 210,690210.7k $8.1m $8.1m 0.01% Added +91.6k +91,639
92 Athos Capital Ltd 0.02% of their portfolio HONG KONG, K3 210,000210.0k $8.1k $8.1k 0.02% New
93 Twin Securities, Inc. 4.42% of their portfolio New York, NY 206,892206.9k $8.0m $8.0m 4.42% New
94 Woodline Partners LP 0.11% of their portfolio San Francisco, CA 201,010201.0k $7.8m $7.8m 0.11% New
95 GAMCO INVESTORS, INC. ET AL 0.08% of their portfolio GREENWICH, CT 196,340196.3k $7.6m $7.6m 0.08% New
96 D. E. Shaw & Co., Inc. 0.01% of their portfolio New York, NY 194,670194.7k $7.5m $7.5m 0.01% Reduced -384.8k -384,754
97 LMR Partners LLP 0.14% of their portfolio LONDON, X0 191,174191.2k $7.4m $7.4m 0.14% New
98 FMR LLC 0.00% of their portfolio BOSTON, MA 189,168189.2k $7.3m $7.3m 0.00% Reduced -24.1m -24,148,083
99 Verition Fund Management LLC 0.12% of their portfolio GREENWICH, CT 188,803188.8k $7.3m $7.3m 0.12% New
100 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 184,019184.0k $7.1m $7.1m 0.00% Added +88.4k +88,359